Accepting new patients
Joshua D. Rosenberg, MD
- Hematology Oncology
Average rating:
5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
Ventura Cancer Care
|
6633 Telephone Road, Suite 200
Ventura,
CA
93003
US
About
Dr. Rosenberg is an Assistant Clinical Professor of Medicine at the David Geffen School of Medicine at UCLA and is board certified in Medical Oncology, Hematology, and Internal Medicine. He earned his medical degree at the University of California, Irvine and completed his internship and residency at Cedars-Sinai Medical Center in Los Angeles, where he received the Ben Newman MD award in humanism two years in a row and was awarded the Internal Medicine Resident of the year. Dr. Rosenberg completed his fellowship training in Hematology/Oncology at the Scripps Clinic and Green Hospital in La Jolla, California, where he received the Gittes Chairman’s Investigator award for research.
Dr. Rosenberg finds great fulfillment providing clinical care to community members in his hometown of Ventura, California. Giving back to his community and building a strong therapeutic patient-doctor relationship are very important to him. His holistic approach not only includes caring for the physical needs of his patients, but also their emotional and psychological needs as well. He finds great value in collaborating with different disciplines of medicine for the optimal outcome for each of his patients.
In his spare time, Dr. Rosenberg loves spending time with his family, being at the beach, camping, and exploring the outdoors.
Languages
Education
Fellowship
Hematology & Oncology, Scripps Clinic & Research, 2013
Residency
Internal Medicine, Cedars-Sinai Medical Center, 2010
Internship
Internal Medicine, Cedars-Sinai Medical Center, 2008
Degree
MD, UC Irvine School of Medicine, 2007
Locations
Hospital Affiliations
Ronald Reagan UCLA Medical Center
Insurance
- Aetna
- Anthem Blue Cross
- Blue Shield of California
- Centivo
- Cigna
- First Health
- Health Net of California
- Interplan (part of HealthSmart)
- Medicare Advantage
- MultiPlan
- UFCM Health System
- Prime Health Services
- Private Healthcare Systems (PHCS)
- TRICARE
- UnitedHealthcare
The list of healthcare plans above may not be comprehensive and could change.
Please contact your benefits coordinator or health insurance company directly to verify coverage.
Visit our health insurance information page for more details.
Links
Reviews
Overall rating:
5.0
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
649 total ratings |
409 reviews
5.0
May 30, 2026
Josh is an exceptional Doctor and a comforting guy. He is the best
5.0
May 29, 2026
He���s still the best. Empathetic and explains everything really well seems to consider all the known possibilities and make really good recommendations
5.0
May 28, 2026
Dr. Rosenberg was good communicator, very comprehensive, understandable, thorough.
5.0
May 28, 2026
Shared insight regarding lab results and overall positive feedback
5.0
May 27, 2026
Dr ���R��� was over the top on taking his time to tell me good news about my health and my future, he made my family so happy today, my daughters actually started crying ����
5.0
May 26, 2026
On time, informative, professional, and comprehensive.
5.0
May 22, 2026
Took all the time needed to cover all issues.
5.0
May 20, 2026
Dr R is excellent. He is caring, knowledgeable, and easy to understand. I’m so thankful for him and his incredible care
5.0
May 20, 2026
Dr Rosenberg had fully reviewed all my recent tests and records prior to the meeting, provided thorough analysis and discussed recent developments in research applicable to my condition. Without question the best doctor I’ve ever worked with.
5.0
May 18, 2026
Doctor Rosenberg is the best ! Thank you for your professionalism and effort.
5.0
May 16, 2026
Extremely caring and without hesitation completely thorough and orders for tests immediately.
5.0
May 15, 2026
Dr. Rosenberg is excellent. Patient. Explained everything to me. I am confident
5.0
May 15, 2026
Dr. Rosenberg is the best. He went over all the information for my treatment plan for CLL. I feel very confident that I am in the best care.
5.0
May 15, 2026
Always caring and listens to any concerns
5.0
May 14, 2026
I really appreciate Dr. Rosenberg’s encouragement, knowledge, and advice. He is very personable and approachable.
5.0
May 14, 2026
Nice visit. Talked about results and future plans for monitoring my condition .
5.0
May 13, 2026
He provided all the information I needed, explained the options and impacts.
5.0
May 13, 2026
Fantastic as always.
5.0
May 13, 2026
He comes up with brilliant solutions. I feel incredibly lucky to have him as my oncologist
5.0
May 12, 2026
Pleasant, informative
5.0
May 11, 2026
Dr R was very understanding about putting me back to my old schedule being that my whole family and friends worked around it . The new schedule is very chaotic
5.0
May 11, 2026
Everything went well with my appointment.
5.0
May 8, 2026
Dr. Rosenberg is always punctual, thorough and easy to talk to. He inspires trust and I am confident in his treatment.
5.0
May 7, 2026
He told me the truth. He was kind and gentle. Felt care and concern
5.0
May 6, 2026
Always caring.
5.0
May 5, 2026
Good blood draw; excellent visit with Dr
5.0
May 5, 2026
It went very well
5.0
May 4, 2026
Josh was extremely thorough. He knew about my case before I got there. He knew how to treat me and handle my complex case. He listened and I never felt rushed. I was very happy with his care. I left the office feeling relaxed and taken care of. He is a smart, gentle and kind doctor. I am very grateful that I found him to help take care of my diagnosis.
5.0
May 4, 2026
Thorough and respectful always.
5.0
May 1, 2026
Dr. Rosenburg was a kind friendly man who listened to what I had to say & gave me feedback on different topics about my health.
5.0
May 1, 2026
Dr Rosenberg is very thorough. He is knowledgeable about the latest procedures and research and in field of oncology. For me that is very important knowing I am getting the best care possible dealing with cancer.
5.0
April 30, 2026
Excellent doctor and staff
5.0
April 29, 2026
Doctor Rosenberg is the smartest, kindest, and my favorite doctor I have ever had. He has kept me as healthy as I could possibly be, and I am so grateful for him.
5.0
April 29, 2026
I found Dr. Rosenberg to be very pleasant and congenial. He listened to all my questions and answered them all. This is so important because cancer is hard. He was on call when I had an emergency, and he was very prompt in solving my problem. I highly recommend him.
5.0
April 28, 2026
Rosenberg is very through and takes the time to.aking sure his patient under stands the situation and details coming up.
5.0
April 27, 2026
Dr Rosenberg is a terrific Doctor and a wonderful person.
5.0
April 27, 2026
I love Dr R he listens and shows genuine concern about your health and showing that healing is around the corner
5.0
April 27, 2026
He’s the best! Knowledgeable and empathetic.
5.0
April 23, 2026
So easy. Love Dr Rosenburg
5.0
April 23, 2026
Dr. Rosenberg is the most empathetic doctor I have ever met. Ventura is lucky to have him practicing medicine here.
5.0
April 22, 2026
Today, like all my previous appointments with Dr. Rosenberg, went perfectly. He listens, intently, to everything that I share. He is constantly critically thinking about the information that is presented. He is very caring, gentle, and comprehensive in the way he explains things. I don’t believe we’ve ever had a provider who checked all the boxes the way that Dr. Rosenberg does. He is truly one in 1 million. A unicorn.
5.0
April 22, 2026
Dr Rosenberg is just the kind of doctor you want He’s very smart,dedicated and helps you deal with the diagnosis and treatment He absolutely saved my life from triple negative breast cancer
5.0
April 21, 2026
Always friendly concise and thorough
5.0
April 21, 2026
Dr Rosenberg was thorough and kind as he discussed my health condition
5.0
April 21, 2026
Always a pleasure to see Dr Rosenberg. He is so kind , and full of information.
5.0
April 20, 2026
Dr Rosenberg is always so very informed about my particular health journey. He does research too when I have had medical issues since my last appointment elsewhere. I am always impressed with his care.
5.0
April 20, 2026
Dr. Rosenberg is the best. He's patient, personable, takes time to explain, and makes sure you understand the explanation.
5.0
April 17, 2026
My provider is very likable. He is also very knowledgeable. In general he is a great doctor.
5.0
April 16, 2026
A sensitive, prepared professional!
5.0
April 15, 2026
Listens and explains treatment plan clearly
5.0
April 13, 2026
Very friendly and professional
5.0
April 13, 2026
Absolutely great doctor.
5.0
April 11, 2026
My Dr. is fantastic and the front office and nurse who took me back was great too
5.0
April 9, 2026
Great communication and treatment plan. Thanks
5.0
April 8, 2026
It was very good.
5.0
April 8, 2026
Very well informed and up to date. Explains things clearly and patiently. Familiarity with other issues going on with me. Friendly and very professional. A wonderful doctor.
5.0
April 7, 2026
He was very patient and clear in explaining very complicated information! He paused and made sure I understood what he was sharing and answered all questions clearly. He put me at ease and gave me a peace of mind. He was clear on next steps and options for me and made me feel that he had my best interest at heart.
5.0
April 7, 2026
Quick & easy
5.0
April 7, 2026
Personable, caring, compassionate, knowledgeable, knew and understood my situation, read all previous doctors note, left super happy he is going to be my new doctor
5.0
March 28, 2026
Dr. Rosenberg is wonderful in the way that he explains current issues and future potential treatment
5.0
March 27, 2026
Very kind and very helpful
5.0
March 27, 2026
I actually look forward to my appointments with Dr Rosenberg
5.0
March 26, 2026
Dr. Rosenberg is very knowledgeable and very caring.
5.0
March 26, 2026
The best
5.0
March 25, 2026
Dr. Rosenberg is great! He listens to my concerns and answers my questions.
5.0
March 24, 2026
A caring and compassionate doctor, explains everything. Very comfortable to talk to
5.0
March 24, 2026
As always, my experience was professional, complete, friendly and never rushed
5.0
March 23, 2026
Very thoughtful and thorough. I truly appreciate Dr Rosenberg.
5.0
March 23, 2026
Very professional and incredibly compassionate. We were very impressed with his kindness and immediacy.
5.0
March 23, 2026
Dr. Rosenberg, is the best. He is right on top of my treatment. I never need to wonder if he has seen any labs or other criteria. He enters the room completely knowledgeable on my cancer journey. Also, between appointments and I send message on MyChart, he responds within minutes. I am very happy with his care.
5.0
March 21, 2026
Excellent care
5.0
March 20, 2026
Dr. Joshua Rosenberg is very professional and engsging.
5.0
March 20, 2026
The doctor is very pleasant to work with, and I appreciate him very much along with the rest of the staff
5.0
March 18, 2026
Always informative and empathetic.
5.0
March 18, 2026
On time and professional as always
5.0
March 17, 2026
Great
5.0
March 17, 2026
They were ontop of it and I was out of there in less than a hour.
5.0
March 16, 2026
On time and professional
5.0
March 16, 2026
Thorough, he listens. I feel well cared for.
5.0
March 11, 2026
Very professional and excellent visit.
5.0
March 10, 2026
Dr. Rosenberg is very professional and very honest with me.
5.0
March 10, 2026
Dr. Rosenberg took an exceptional amount of time to review my medical history and explain complex parts of my history and test results. He demonstrated an ability to share his expertise in a way that was clear and built trust and confidence.
5.0
March 9, 2026
Very caring, and thorough.
5.0
March 9, 2026
RGot me in right away
5.0
March 9, 2026
He is very thorough and always has the patient’s best interest in mind
5.0
March 6, 2026
Excellent
5.0
March 5, 2026
Dr. Rosenberg is the gold standard. He saved my life when he treated my Iron Deficiency Anemia. He is the medical doctor one envisions when seeking diagnosis and treatment. He is a compassionate communicator and a skilled physician. I lack the superlatives to describe him.
5.0
March 4, 2026
Wonderful! Informative.
5.0
March 2, 2026
Doctor and staff were accommodating despite my late arrival to appointment as a result of unforeseen road closure.
5.0
March 2, 2026
Dr Rosenberg and his staff are friendly and professional. I have absolute confidence in Dr Rosenberg. His medical assistants and front office staff are very courteous and efficient. Can’t say enough good things about this UCLA practice. Thanks
5.0
March 2, 2026
He is very straight forward and informative. He is also alert to hearing any concerns or questions I may have.
5.0
March 1, 2026
He is brilliant. Knowledgeable, understanding and understandable. He listens carefully and answers clearly and helpfully. He is a wonderful doctor.
5.0
February 27, 2026
Expert clear and explanation of my treatment. Very good bedside manners. Excellent doctor.
5.0
February 26, 2026
He's very attentive to my needs.
5.0
February 25, 2026
Very professional. Excellent oncology. Thanks to him, and the surgeon, both were a great team, now I am a breast cancer survivor ❤️👌❤️
5.0
February 24, 2026
Wonderful
5.0
February 23, 2026
Dr Rosenberg is the best!! He knows all about my issues before he enters the room. He is no nonsense & gets right to advising me, explaining my cancer treatments & why I need to stay on course.
5.0
February 23, 2026
He took time to discuss my medical status with me; answered my questions and provided information
5.0
February 23, 2026
I can't think of anything that could be changed that would make the service and care better. Dr. Rosenberg is outstanding and so is the staff.
5.0
February 23, 2026
Quick and easy visit
5.0
February 23, 2026
I recently was released from the hospital and traveled at moment is challenging. I appreciate the ability to meet with Dr Rosenberg via tele-video. And mostly, I appreciate Dr. Rosenberg’s understanding and empathy of my current situation.in the call we discussed my care plan timeline going forward, and the reasons behind that. I left the call with my spirits higher and also knowing what to expect in the future.
5.0
February 20, 2026
Excellent—caring, informative.
5.0
February 20, 2026
Always compassionate, informative and takes the time I need for my care.
5.0
February 20, 2026
Very short wait. Dr. Rosenberg spent ample time addressing my situation and offered detailed explanations in a way I could understand. I felt like my medical care was important to him.
5.0
February 20, 2026
Concise, thoughtful and caring
5.0
February 19, 2026
Explained clearly his plan for me.
5.0
February 18, 2026
Excellent visit, very short wait time prior to seeing my doctor.
5.0
February 17, 2026
Great doctor
5.0
February 13, 2026
Very nice person Thanks so much
5.0
February 13, 2026
He always listens and then makes his decisions. He is kind and personable. The greatest!!
5.0
February 13, 2026
I walked in, no appointment, to ask a question and was seen by Dr. Rosenberg. I am very grateful to have been seen by him and his quick determination that a PET scan was needed ASAP.
5.0
February 12, 2026
He goes out of his way to make sure I understand and is thoughtful in his approach. I'm grateful for his insights. He is also approachable and professional.
4.0
February 12, 2026
It was my first visit, and it was a very good encounter. Dr. Rosenberg was kind, and took the time to explain my condition well.
5.0
February 12, 2026
Dr Rosenberg takes time to listen to his patients he’s very kind and engaged with them
5.0
February 10, 2026
Dr Rosenberg and his staff made me feel very comfortable. They were careing and smart
5.0
February 10, 2026
Kind, well-prepared, helpful, smart, and a skilled listener. Great doctor.
5.0
February 9, 2026
Great attention to patient.
5.0
February 9, 2026
Josh is comforting and a great Doctor
5.0
February 6, 2026
Great communication.
5.0
February 6, 2026
Thoughtful, excellent listener with clear, detailed answers to my many questions. Really appreciate his kindness and obvious expertise!
5.0
February 6, 2026
Kind compassionate, thoughtful, detailed Josh is a great doctor and a wonderful human being
5.0
February 5, 2026
Excellent , very approachable, caring and discuss plans of care either present and for future ..
5.0
January 29, 2026
Very knowledgeable. Caring. Through.
5.0
January 28, 2026
Very professional and informative. Also, the doctor and staff were attentive and friendly.
5.0
January 28, 2026
Excellent.
5.0
January 27, 2026
It's always great to see Dr. Rosenberg. He is kind, patient, and very knowledgeable.
5.0
January 26, 2026
Dr. Rosenberg listens! He’s very willing to discuss options as well as provide information.
5.0
January 26, 2026
Very impressive. I initially received care in Oregon. Dr Rosenberg is very positive & seems to know ALL about my cancer care. He exudes confidence, I feel he knows what to do , when to order tests & has a plan.
5.0
January 26, 2026
Professional, kind, informative, answered all questions with respectful care
5.0
January 26, 2026
Dr made time to see me today due to recent diagnosis. Even though his Calendar was booked- saved me so much heartache and was able to get me to my next steps much faster This was extremely appreciated He took several time explaining my diagnosis, next steps and what to expect as best you could
5.0
January 23, 2026
He is very knowledgeable and very thorough.
5.0
January 23, 2026
Efficient well informed meeting
5.0
January 23, 2026
Wonderful experience from check in to scheduling the next visit
5.0
January 22, 2026
Dr. Rosenberg is empathetic and compassionate. I trust him with my health care. I appreciate is thorough approach to medical care.
5.0
January 22, 2026
Dr. Rosenberg is empathetic, professional, and responsive. One of the most effective communicators that I have encountered in the medical field.
5.0
January 20, 2026
As always, Dr Rosenberg had reviewed all of my recent tests prior to the appointment, provided thorough feedback and patiently answered my questions.
5.0
January 20, 2026
Professional and kind.
5.0
January 20, 2026
Very clear and on time.
5.0
January 17, 2026
Dr Rosenberg is a teal Doctor that really cares about your problem . He is the Best and he understands the frustrations. Excellent
5.0
January 16, 2026
On time, concise, thoughtful
5.0
January 15, 2026
Exceptional in knowledge of the situation. Compassionate beyond. Open to the family staying in contact.
5.0
January 14, 2026
Dr. Rosenberg was very kind and very helpful, I look forward to seeing him again.
5.0
January 12, 2026
Dr Rosenberg and staff treat me with respect and are extremely supportive and efficient
5.0
January 12, 2026
He’s brilliant and I feel lucky to have him
5.0
January 12, 2026
Always just the best
5.0
January 8, 2026
dr. Rosenberg is fantastic, he makes you feel very comfortable and talks to me in Laymans terms, which is very important to me that I understand what is going on with what happened to me. he makes me feel comfortable that I can talk to him and he has compassion..
5.0
January 8, 2026
Knowledgeable, explains things very well, respectful,
5.0
January 7, 2026
Everything was first rate
5.0
January 6, 2026
As usual he was wonderful. He answered all my questions thoughtfully and helped me understand my options.
5.0
January 6, 2026
Dr Rosenburg answered all my questions in detail
5.0
January 6, 2026
He was good at explaining my situation and making me feel as comfortable as possible
5.0
January 6, 2026
Dr. Rosenberg, is always professional and compassionate and reassuring.
5.0
January 5, 2026
Doc let me know he had looked through my medical history with respect to this visit. That made me feel really good. He did his homework
5.0
January 3, 2026
Listened well and gave appropriate suggestions.
5.0
January 3, 2026
Dr Rosenberg listened to my concerns and was truly genuine in his care.
5.0
January 2, 2026
Dr Rosenberg is an outstanding doctor and truly cares about his patients. He reviewed all my UCLA appointments & test results since I last saw him,so he was well informed & prepared for my appointment with him. My appointment started on time & he discussed my recent mammogram & ultrasound and asked about my current health & well being. I have the utmost respect for Dr Rosenberg.
5.0
December 31, 2025
Always on time and Dr Rosenberg is always well prepared for my appt. Takes his time and listens to me.
5.0
December 29, 2025
Excellent
5.0
December 29, 2025
Dr. Joshua Rosenberg was very thorough, professional and engaging.
5.0
December 29, 2025
Dr Rosenberg is professional kind, and gives clear directions. He listens and gives positive diagnosis. He definitely cares for his patients.
5.0
December 21, 2025
Highly capable.
5.0
December 18, 2025
My first online visit. Dr. Rosenberg’s demeanor and attention made it feel just as personal as an in office visit.
5.0
December 17, 2025
Very professional
5.0
December 16, 2025
Explained my issues concisely and clearly.
5.0
December 16, 2025
Excellent
5.0
December 12, 2025
Compassionate, empathetic, and professional. Dr. Rosenberg is a winner and I'm glad he's on my team.
5.0
December 12, 2025
Dr. Rosenberg is great. He is so thorough, caring and kind.
5.0
December 11, 2025
Like the way he took time to complete my yearly medical records review. And a continued medical plan until next year.
5.0
December 11, 2025
Dr. Rosenberg listened to my concerns and provided me an alternative. He is always kind and patient.
5.0
December 11, 2025
I absolutely love Dr. Rosenberg. He is kind and compassionate and explains things and he is staying on top of my care. I am very lucky to have him as my oncologist.
5.0
December 11, 2025
Informative, kind, professional
5.0
December 10, 2025
Dr. Rosenberg is so thorough and takes the time to ask questions and listen to the answers and also listens to my questions and answers accordingly. He is very caring and I also appreciate that o have never been kept waiting on any of my appointments with him. I feel I am getting the best of care from him.
5.0
December 10, 2025
He listens and asks insightful questions
5.0
December 9, 2025
Was very good.
5.0
December 8, 2025
Dr Rosenberg is always so attentive and patient friendly he is the best physician I have ever seen
5.0
December 8, 2025
Excellent Doctor and staff, , really Great experience 👍
5.0
December 8, 2025
Answers all questions. Doesn't rush.
5.0
December 8, 2025
Just perfect
5.0
December 5, 2025
Dr. Rosenberg is the best. He is very knowledgeable and explains my medical conditions in a clear and understandable manner. Through his attention to detail he discovered a suspicious nodule on my left lung. This nodule turned out to be cancer where I had my left lower lobe of my lung removed. He was in contact with my surgeon and kept apprised of my progress. I feel very fortunate having Dr. Rosenberg as my doctor.
5.0
December 4, 2025
Perfect as always
5.0
December 4, 2025
Excellent.
5.0
December 3, 2025
Not only on time, but Dr. Rosenberg gives so much time to explain my diagnosis as well as my medical plan. I never feel rushed. I always feel heard
5.0
December 2, 2025
Dr. Rosenberg is the best. Makes we feel comfortable and I know that he cares
5.0
December 2, 2025
No complaints Doctor was real thorough
5.0
December 2, 2025
I have nothing but the highest regard for Dr. Rosenberg. Very professional, extremely knowledgeable and a terrific person. You have a top notch Doctor, don’t let him get away.
5.0
December 2, 2025
My oncologist makes me feel as comfortable as possible, and follows up with every question or concern. I truly appreciate his care.
5.0
December 2, 2025
Appointment went great. Dr. Listened to all concerns. Very kind and helpful.
5.0
December 2, 2025
Excellent care & explanations
5.0
December 1, 2025
Dr. Rosenberg and his staff are as professional as I have ever experienced. The staff are courteous and friendly. Dr Rosenberg is the best . Appointment was on time, no waiting. Great place to be treated.
5.0
November 27, 2025
So nice professional knowledgeable
5.0
November 27, 2025
He was Courteous Fantastic blood taker- zero pain Kind listener Efficient and quick
5.0
November 27, 2025
He reviewed tests and scans with me, and discussed data related to my cancer now in remission.
5.0
November 26, 2025
Excellent appointment
5.0
November 25, 2025
Very nice polite, spot on immed saw my situation, amd knew exactly why it happened made his recommendations too resolve my problem.
5.0
November 25, 2025
Knowledgeable & kind.
5.0
November 24, 2025
So honest & up front
5.0
November 24, 2025
Appointment right on time as scheduled. No waiting. Doctor had good news for me.
5.0
November 24, 2025
Absolutely the best Dr
5.0
November 24, 2025
Very positive, asked great questions.
5.0
November 24, 2025
Fast and professional.
5.0
November 23, 2025
Always kind and informative.
5.0
November 22, 2025
All Good!!
5.0
November 22, 2025
Very good doc
5.0
November 22, 2025
In early. Very knowledgeable about all my questions. I would recommend him to everyone for cancer treatment.
5.0
November 21, 2025
Very up to date on treatments and care. Explains things very well and personable. No mansplaining but very clear informed explanations.
5.0
November 20, 2025
Dr Rosenberg moved my appointment up to give me good news about some recent test results instead of having me wait for my next scheduled appointment in a month time. He didn’t want me to worry. What a wonderfully compassionate thing to do.
5.0
November 19, 2025
Dr Rosenberg always answers my questions and addresses my concerns. Very caring and patient Dr.
5.0
November 19, 2025
Good job of communicating future expectations.
5.0
November 19, 2025
He was very knowledgeable and provided information in an articulate and understandable manner. He treated me the way a person should be treated by a doctor.
5.0
November 18, 2025
He was patient, kind and explained my situation thoroughly and in language that I could understand.
5.0
November 18, 2025
I love him like a son. So passionate and caring and explained in detail my issues
5.0
November 18, 2025
Relaxed and informative. Listened and explained well.
5.0
November 15, 2025
Taken In early. Finish appt 15 min before appointment time.
5.0
November 15, 2025
Dr. Rosenberg happily reported my successful progress. He listened to my questions and conversational sharing. :)
5.0
November 14, 2025
He’s patient, quite knowledgeable, great bedside manner, and understanding!
5.0
November 12, 2025
Dr Rosenberg and staff excellent.
5.0
November 11, 2025
Dr. Rosenberg immediately took charge of a med problem and resolved it within 24 hrs.
5.0
November 10, 2025
Great doctor, experienced, and knowledgeable.
5.0
November 7, 2025
Dr Rosenberg has been treating my prostae cancer. He has been diligent in his diagnosis. Today he showed me the results accomplished based on his protocols. Success beyond anything i might have expected. I should have guessed by the wide smile he displayed when he walked into the room!!
5.0
November 7, 2025
Was very thorough in explaining radiology and screening done as well as discussing medication’s and other issues pertaining to my treatment
5.0
November 5, 2025
Answers all questions clearly
5.0
November 5, 2025
Dr Rosenberg provided information before I asked any questions. Since I’m just beginning to deal with this condition and the med, I don’t have enough information to ask many intelligent questions. I appreciate his being proactive with me.
5.0
November 4, 2025
Video appointment worked well since I needed to be out of town on a family matter. Dr Rosenberg explained everything clearly and took the time to answer all of my questions thoroughly.
5.0
November 4, 2025
5+++
5.0
November 3, 2025
Excellent
5.0
November 3, 2025
Dr. Rosenberg, is always punctual. He explains issues in a very understandable way and is happy to answer questions.. I never feel rushed when I see him.
5.0
November 3, 2025
Dr. Rosenberg is an empathetic, caring, well informed doctor.
5.0
October 31, 2025
Dr.R. was patient and answered all my questions. He always keeps in touch with the other doctors at UCLA which reassures me. He is always compassionate.
5.0
October 29, 2025
Dr Rosenberg is the most compassionate physician I have ever had. I feel lucky to have been referred to him.
5.0
October 25, 2025
He was calm and confident. Started with good news. Sounded competent and experienced. Said he would call me with lab results in a few days—called next day, didn’t leave me wondering.
5.0
October 24, 2025
Dr Josh is the BEST! He’s smart compassionate explained in detail. He was compassionate and caring. My lucky day today that I got to meet him
5.0
October 24, 2025
Dr. Rosenberg is always knowledgeable and prepared to share test results and insights.
5.0
October 24, 2025
Dr Rosenberg is the most strait forward, and patience person, appreciate it.
5.0
October 23, 2025
Nice experience! Doctor was very knowledgeable and easy to understand.
5.0
October 23, 2025
He is excellent
5.0
October 23, 2025
Dr. Rosenburg always celebrates the successes with me, grieves the setbacks, asks about how I am doing, seems genuinely interested in my life and how I am navigating the ups and downs of treatment and how it effects other areas of my health. He listens to my thoughts and opinions. I appreciate his compassion and his care. It makes me feel acknowledged and seen. I am grateful for her and his team. They have made all of the difference!!
5.0
October 22, 2025
Attentive, listen to me with what I had to say. Sympathetic and explain to me things that I needed to understand.
5.0
October 22, 2025
It was perfect. Always on time & receive what we need
5.0
October 21, 2025
Brilliant and kind. I felt like he listened and gave me the best information and treatment plan
5.0
October 21, 2025
Doctor Rosenberg is an excellent doctor.
5.0
October 21, 2025
Very thorough explained everything very well
5.0
October 20, 2025
Answered my many questions
5.0
October 20, 2025
He's the best. Very caring.
5.0
October 20, 2025
Listened to and answered questions. Reassuring.
5.0
October 20, 2025
Dr. Rosenberg, is an excellent doctor. He takes very good care of me, and I’m sure he does with all of his patience. But he’s been a real big help and my cancer treatments. I couldn’t ask for any better care that what I’m getting from him and his staff
5.0
October 20, 2025
Professional and empathetic
5.0
October 19, 2025
Dr Rosenberg is the Best doctor .
5.0
October 17, 2025
Beyond excellent
5.0
October 17, 2025
Rosenberg is a compassionate doctor.
5.0
October 17, 2025
Today we discussed recent imaging results. Dr. Rosenberg is the best! I really like his style. He’s calm, reassuring, and a great listener. As a result I trust him.
5.0
October 17, 2025
Pleasent, professional, informative and comforting
5.0
October 16, 2025
Good visit
5.0
October 16, 2025
I appreciate Dr. Rosenberg’s patience. He makes me feel comfortable and he has empathy on what I have gone through and still going through.
5.0
October 15, 2025
Very good experience Very good information
5.0
October 15, 2025
Very thorough
5.0
October 15, 2025
He is, and continues to be, one of the most caring and attentive physicians I have ever had. I messaged him this morning about a concern I had over some minor symptoms (we discussed at a prior appointment) and he made room to bring me in to the office for labs and a inspection within a couple hours. I greatly appreciate him making him in his schedule to make sure I was taken care of.
5.0
October 14, 2025
Excellent service. Love this place
5.0
October 14, 2025
Dr Rosenberg is on top of the details concerning his patients. After getting out of ER last night with stroke speech symptoms from the cancer treatment drug, Dr Rosenberg already spoke with the ER doctor to go over all my tests results before our meeting today.
5.0
October 14, 2025
Great bedside manner- calm- introduced himself right away- listened and asked a lot of questions . The assistant or nurse was very friendly too and positive attitude.
5.0
October 14, 2025
Appreciate everyone being on time!
5.0
October 13, 2025
I didn't see the doctor personally but his directions were excellent.
5.0
October 13, 2025
Always spends time and listens to any concerns I have
5.0
October 9, 2025
Dr. Rosenberg is always great. He’s the best. He’s attentive, he explains, he listens, and I always feel comfortable when I meet with him.
5.0
October 8, 2025
Appreciate the information shared and time spent reviewing options and answering my questions.
5.0
October 7, 2025
He is always very professional. And always takes the time to answer my questions.
5.0
October 7, 2025
I was very happy with Dr Rosenberg and his staff explaining all that is wrong with me and a plan for curing me
5.0
October 7, 2025
He was patient and prepared.
5.0
October 6, 2025
He is so kind and patient. He really showed care and concern to make sure I felt heard and that I understood what he was telling me. He’s very calming. I truly felt cared for.
5.0
October 4, 2025
Dr.R. answered my questions clearly. He made sure that I understood the upcoming procedures.
5.0
October 3, 2025
Awesome he’s one of the best Doctor ever since.
5.0
October 3, 2025
Dr Rosenberg listened to all of my concerns and gave excellent insight on my cancer treatment.
5.0
October 1, 2025
Excellent
5.0
September 30, 2025
Doctor is watching closely to the progress of treatment on the patient! Developing a custom treatment which best attacking the cancer.
5.0
September 29, 2025
I have been with him since 2013. He is very clear and helpful . An excellent person in every way
5.0
September 29, 2025
Dr . Rosenburg is the best. Makes u feel good and explains things. Answers all ur questions.
5.0
September 28, 2025
Wonderful
5.0
September 25, 2025
Dr Rosenberg was very personable, knowledgable, and explained everything.
5.0
September 24, 2025
Dr. Rosenberg is a "one in a million" kind of doctor. He listens patiently, always explains things clearly, is kind and generous with his time. It's meant the world to me to have him support and guide me after my bout with breast cancer. I am very, very grateful to him.
5.0
September 24, 2025
I had a new problem and he started investigating it right away. He is always professional and accessible.
5.0
September 24, 2025
Dr Rosenberg is great. He answers all my questions and lets me know what is going to be happening. Very caring and understanding Dr.
5.0
September 23, 2025
He explained the treatments clearly and listened to k my concerns. Very pleasant
5.0
September 23, 2025
Dr Rosenberg explains everything in detail and has a very positive outlook.
5.0
September 22, 2025
The doctors treatment plan is working well. He and I both are very pleased with the outcomes so far! His entire staff is very professional and make the coordination between doctor and patient clear and smooth!
5.0
September 22, 2025
Responsive. Efficient. Effective.
5.0
September 22, 2025
Frank, forthright, and professional.
5.0
September 19, 2025
Dr. Rosenberg is always responsive, caring, clear. The staff is always helpful and pleasant.
5.0
September 19, 2025
This was the first time meeting with this doctor. As usual it was professional, informative and friendly. Not hurried, or uncaring
5.0
September 19, 2025
Dr.R. was prepared and always kind and compassionate.
5.0
September 19, 2025
He is pleasant, clear, concise, cares about me.
5.0
September 19, 2025
Rosenberg is wonderful
5.0
September 19, 2025
Informative, receptive, patience, understanding and responsive to questions. Well done Dr. Thank you.
5.0
September 18, 2025
Punctual, clear diagnosis and treatment plan, excellent bedside manner
5.0
September 16, 2025
Excellent
5.0
September 16, 2025
It was a great appointment I just went for my monthly shot.
5.0
September 16, 2025
Very caring and informative. A great experience all around.
5.0
September 16, 2025
Professional yet personal and has empathy and compassion!
5.0
September 16, 2025
My blood daré went very well. Love this place and the staff and nurses and doctors.
5.0
September 15, 2025
The doctor is absolutely the best. His treatment plan seems to be working perfectly. I am so grateful for this level of professional treatment that I received with Dr. Rosenberg.
5.0
September 15, 2025
Informed me on expected processes of treatment and allowed me to ask questions.
5.0
September 14, 2025
Fully familiar with my health situation and all its intracacies. Reached out and communicated with my other doctors. Thoughtful recommendations. Answered all my questions.
5.0
September 13, 2025
Explained everything
5.0
September 12, 2025
Great
5.0
September 12, 2025
He is excellent! So kind and caring.
5.0
September 12, 2025
Great
5.0
September 12, 2025
Wonderful
5.0
September 12, 2025
Dr Rosenberg is thoughtful and kind. Knows his stuff. Makes one feel at ease. I trust him.
5.0
September 11, 2025
I’m very grateful for such a wonderful experience by skilled people at this treatment facility.
5.0
September 10, 2025
Dr. Rosenberg. Was kind compassionate and efficient.
5.0
September 9, 2025
Informative and supportive
5.0
September 9, 2025
He was very knowledgeable, prepared, patient, good listener, responsive, respectful, and helpful.
5.0
September 8, 2025
The best👍
5.0
September 8, 2025
The appointment was on time. Dr. Rosenberg is very thorough and explained to me in detailed blood work results. Checkout was quick and easy.
5.0
September 5, 2025
On time as always!
5.0
September 5, 2025
Dr. Took time with me.
5.0
September 4, 2025
Eccellent
5.0
September 4, 2025
Everything went great!
5.0
September 3, 2025
We discussed my having a mammogram in December, the pros and cons of a medication that reduces the amount of hit flashes and my need for more exercise.
5.0
September 3, 2025
Summarized purpose of my appointment extremely well!
5.0
September 3, 2025
My experience with Dr. Rosenberg today was absolutely phenomenal!! Even though the appointment was purely to discuss iron deficiency and get iv iron infusions, he spent the time to get to know me as a patient and person. I felt like he truly had my best interest in mind and did not rush me out of the room. Highly recommend!!!
5.0
September 2, 2025
Great
5.0
August 29, 2025
Very knowledgeable, very kind! Answered many of my questions before I even asked them, with his information
5.0
August 29, 2025
Best in the businuse
5.0
August 29, 2025
Dr. Rosenberg was so nice & very positive! I always enjoy our conversations!
5.0
August 27, 2025
Dr Rosenberg and his staff are the best. Professional, sincere and honest in treating my medical needs. Dr R takes time to discuss the issues and explain this possibilities for treatment. I can’t say enough but THANK YOU.
5.0
August 27, 2025
Dr Rosenberg is very compassionate and listens to your concerns and helps anyway he can.
5.0
August 27, 2025
Very good friendly people and on time .
5.0
August 27, 2025
Dr. Rosenberg and staff are professional, empathetic and kind. I feel that I am in the best medical care possible.
5.0
August 26, 2025
On time, no complaints. Well Done.
5.0
August 26, 2025
My doctor is caring, knowledgeable and professional. Always is on top of my health issues
5.0
August 26, 2025
My first time seeing Dr Rosenberg. He was professional, kind, and communicated clearly making it easy for me to understand. Very much appreciated his candor and expertise shared.
5.0
August 26, 2025
Dr Rosenberg is kind and extremely good at reviewing my choices in care. He is knowledgeable. I have come to depend on him for my treatment plan and I’m happy to say at this time I’m in full remission due to his very good care.
5.0
August 22, 2025
Great experience
5.0
August 22, 2025
Thorough explanation
5.0
August 22, 2025
Very clear explanations regarding the medicine prescribed and the ways to mitigate potential side-effects.
5.0
August 22, 2025
Extremely knowledgeable and patient. Showed complete interest in my case and how to proceed forward.
5.0
August 20, 2025
Dr Rosenberg was able to hear some of the complexity of my approach to health & life at risk at the moment - particularly he was able to allow me to stay open to alternative possibilities of what might influence my overall body-mind-spirit health and my PSA. Though the path ahead through living and dying in places is ultimately beyond knowing, even regarding conventional medications & treatments, he gave me is best suppositions and openness. He allowed me to ask a lot of questions before moving on. ETC He's a good person and Dr.
5.0
August 20, 2025
Dr. Rosenberg is great. ⭐️⭐️⭐️⭐️
5.0
August 19, 2025
Peaceful, organized and professional
5.0
August 18, 2025
The doctor and staff were the best. Doctor to me and started me quickly with medication and additional labs and test that I needed. Staff was very helpful me for the test very quickly. They are the best
5.0
August 18, 2025
Good listener. Provides useful and reassuring feedback.
5.0
August 18, 2025
Dr. Rosenberg is by far the best physician by whom I’ve ever been treated. He’s thorough, brilliant, caring and patient. I feel fortunate to have found him.
5.0
August 15, 2025
Dr. Rosenberg answered all my questions and is very thorough.
5.0
August 14, 2025
Very nice and made me feel comfortable.
5.0
August 13, 2025
He was great!
5.0
August 13, 2025
Efficient, positive, caring.
5.0
August 13, 2025
Dr. Rosenberg, as always, was welcoming, kind, efficient and fully explained his recommendations. I am thankful that he has been part of my care team.
5.0
August 12, 2025
The doctor was professional and just as importantly upbeat.
5.0
August 12, 2025
Dr. Rosenberg was very thorough, informative, patient, and knowledgeable. He has great patient bedside manners.
5.0
August 11, 2025
Dr Rosenberg takes time to explain things and listen. He delivered good news today.
5.0
August 11, 2025
Dr Rosenberg always fills me in on the latest test and tells me how I am progressing. Always reassuring.
5.0
August 11, 2025
Dr Rosenberg is great!
5.0
August 8, 2025
Dr Rosenberg explained everything so well. He is both personable & professional.
5.0
August 8, 2025
Very helpful!
5.0
August 8, 2025
Explained everything clearly; has a good plan for me! So personable & nice. I have so much confidence in him. Couldn’t ask for anyone better!
5.0
August 8, 2025
Dr Rosenberg is great. Always takes time to listen and explain.
5.0
August 7, 2025
Doctor is very up to date on treatment and explains things clearly and in good detail. Very compassionate and caring and works with my other doctors Excellent. He is the best doctor I have ever had.
5.0
August 6, 2025
Dr. Rosenberg was patient and thorough. He explained everything and talked me through my whole treatment plan. He put me at ease immediately when he walked in the door, he must have noticed my anxiety.
5.0
August 6, 2025
Josh is an extraordinary human being and a great doctor. As good as it gets.
5.0
August 6, 2025
He’s the best
5.0
August 6, 2025
Dr Rosenberg was excellent as usual
5.0
August 5, 2025
Excellent care
5.0
August 1, 2025
Dr Rosenberg is always on time for my appt which I appreciate. He is prepared ahead of time for my appt and knows just what he needs to discuss with me. Very patient Dr and I never feel rushed.
5.0
July 31, 2025
Best service In town! Doctor and all staff.
5.0
July 30, 2025
He explains things well and is always willing to answer questions. I appreciate his calm demeanor
5.0
July 30, 2025
Dr Rosenberg was great he covered all the issue and concerns. Very caring.
5.0
July 30, 2025
He explains things very well and has a good personality
5.0
July 29, 2025
Absolutely amazing. This was an initial visit and he spent lots of time and never made me feel that I was taking up his time and asked me lots of questions and gave me lots of answers. This is just the kind of doctors that I really like.
5.0
July 29, 2025
Great at answering questions and considering other comorbidities that may influence treatment.
5.0
July 28, 2025
He is a good listener and always takes his time with me.
5.0
July 28, 2025
He is always thorough, caring and professional
5.0
July 28, 2025
Dr. Rosenberg, always takes the time to explain test results and listens when I have questions or concerns.
5.0
July 28, 2025
Explains everything well; caring
5.0
July 25, 2025
I have been treated by many different Hematologists in the last 20 years. Hands down, Dr. Rosenberg is the smartest, most attentive, clear thinking, problem solving Hematologist I have met, or had the pleasure of calling my doctor. I love how responsive he is, how closely he pays attention to what is going on, and how detailed oriented he is. I feel blessed that he is my doctor!!!
5.0
July 25, 2025
Dr. Rosenberg is very thorough and detailed in his explanations. He is extremely kind and thoughtful.
5.0
July 24, 2025
I just love Dr Rosenberg…. He’s kind, intelligent, states his opinion clearly while accepting the patient’s point of view. He answers all questions. He was on time….
5.0
July 24, 2025
Dr. Rosenberg is always very thorough and very caring.
5.0
July 23, 2025
Good information, very helpful, great manner
5.0
July 23, 2025
Always helpful and i've always been impressed with joshua rosenblum
5.0
July 22, 2025
Listened and took notes
5.0
July 21, 2025
Dr Rosenberg makes you at ease as soon as you meet him. Very friendly and also very professional.
5.0
July 21, 2025
It was good.
5.0
July 19, 2025
Very open to my condition great session helpful
5.0
July 17, 2025
Clear explanation on my test results and setting up further necessary testing Thorough and ever professional coupled with a sincere caring understanding towards the patient. .
5.0
July 17, 2025
Great
5.0
July 17, 2025
Dr. Rosenberg is a superb listener and gives me his full attention whenever I speak with him.
5.0
July 16, 2025
He is the Best. We went over the Problem and advised me to see a kidney nephrologist and gave me a UCLA recommendation. Outstanding First Class Dr.
5.0
July 16, 2025
Seen as soon as I got to the office and finished 15 minutes before my appointment time.
5.0
July 16, 2025
He was very caring and thoughtful.
5.0
July 15, 2025
He is always very thorough and explains everything well
5.0
July 15, 2025
On time kindly friendly professional
5.0
July 15, 2025
He is patient and a very good listener. Explained my situation well
5.0
July 15, 2025
Dr. Rosenberg spoke slowly and succinctly, answered all my questions, and most importantly, I didn’t feel rushed.
5.0
July 14, 2025
Kind, considerate, he had best plan for an action. God had a plan too . I’m free of cancer to date. Thank you Dr Rosenberg and staff. Bless you all.
5.0
July 14, 2025
I trust Dr. R with my life💯
5.0
July 14, 2025
The service is always great!
5.0
July 14, 2025
Walking into the building, there is an immediate feel of security. Rosenberg just gets it. He makes me feel very well taken care of.
5.0
July 11, 2025
Very proactive at expediting test results and communicating with me
5.0
July 11, 2025
Dr. Rosenberg is always very thorough and prepared.
5.0
July 10, 2025
Dr. Rosenberg is wonderful. He’s very kind and explains everything so well, and in terms I can understand. I truly appreciate him taking me as a patient so quickly after my diagnosis.
5.0
July 10, 2025
Quick and easy
5.0
July 9, 2025
He is such a good listener! Always feel heard. Answers all my questions so well!
5.0
July 9, 2025
Dr. Rosenberg is very kind, compassionate and knowledgeable. He listens to my concerns and genuinely cares about his patients.
5.0
July 8, 2025
He is always concerned how I’m feeling. How my exercise and nutrition is going.
5.0
July 8, 2025
Dr Rosenberg is the best. I never feel like he’s in a hurry he always answer all my questions
5.0
July 8, 2025
Delivery of a difficult diagnosis was done in a kind, thorough, clear and compassionate way. Laid out a strategy in a straightforward and understandable way.
5.0
July 8, 2025
Dr Rosenberg was outstanding as always. He really cares about me and my health. He arranged future appointments and tests.
5.0
July 7, 2025
Clear and concise
5.0
July 7, 2025
Good listener kind informative
5.0
July 7, 2025
Good