Our Physicians

Philip Cohen, MD | Watch Video
Internal Medicine & Sports Medicine

Dr. Philip Cohen is a primary care sports medicine physician who practices in Encino. He is board certified in internal medicine and sports medicine, and enjoys proactively working with patients to optimize their health and performance and prevent any injuries before they start. More >

Jarod DuVall, MD
Internal Medicine

Dr. Jarod DuVall is a primary care physician who practices in Encino. He is board certified in internal medicine, and focuses on preventive medicine and helping patients manage their chronic medical conditions. More >

Salvador Plasencia, MD
Internal Medicine & Pediatrics (Med-Peds)

Dr. Plasencia is a primary care physician trained in both Internal Medicine and Pediatrics. He treats newborn patients to senior citizens. Dr. Plasencia was born and raised in California, having graduated from Arroyo High School, in El Monte. He then received a B.S. in Biological Sciences from the University of California, Riverside. He received his Doctorate of Medicine from UCLA and his resident training from the University of Oklahoma, Tulsa. He also has experience dealing with urgent medical issues having worked as a full time Emergency Room physician for one year following resident training. Dr. Plasencia is fluent in English and Spanish. More >

Tiffany Sheh, MD
Family Medicine

Dr Tiffany Sheh is an Assistant Clinical Professor of Medicine at UCLA School of Medicine. Dr. Tiffany Sheh earned her medical degree at Loma Linda University School of Medicine. She completed her internship and residency in Family Medicine at Glendale Adventist Hospital where she served as the Chief Resident. Dr. Sheh practiced Internal Medicine at Motion Picture Television Medical Group in Burbank, California, for 16 years with exclusive comprehensive care for entertainment Industry members. She's a recipient of many awards, including Patients' Choice Award for the past consecutive 9 years. More >

Boris Arbit, MD
Cardiology

Dr. Boris Arbit is a non-Invasive cardiologist, board certified in Internal Medicine, Cardiovascular Disease, Echocardiography, and Nuclear Cardiology. He received his Bachelor's degree from the University of California, San Diego and his medical degree from the Geisel School of Medicine at Dartmouth. He completed his Internal Medicine residency at Cedars-Sinai Medical Center, and his fellowship in Cardiovascular Diseases at the University of California, San Diego. Dr. Arbit focuses on management of acute coronary syndromes, chronic chest pain, coronary artery disease, chronic heart failure, and valvulvar abnormalities. Dr. Arbit performs all modalities of cardiac imaging. More >

Ramin Assadi, MD
Cardiology

Dr. Ramin Assadi graduated with honors from the school of medicine at Tehran University of Medical Sciences. After completing his internal medicine residency and fellowship in cardiovascular disease at Loma Linda University, he pursued additional advanced training in interventional cardiology for catheter based treatments of coronary artery disease, structural heart disease, and peripheral vascular disease at Kaiser Permanente Los Angeles Medical Center/UCLA program. Dr. Assadi is committed to provide excellent individualized comprehensive cardiovascular care to his patients as if they are members of his family. Dr. Assadi speaks fluent Persian (Farsi). More >

Stella Cohen, MD
Pulmonary Medicine

Dr. Stella Cohen earned a Bachelor of Arts at New York University, Medical degree at the Technion Institute of Technology in Haifa, Israel, and subsequently completed her residency at UC San Diego and fellowship at UC Davis. Her travels have served to expand her approach to patient care, compassion for cultural diversity , and enhancement of multilingual skills. She has participated in educational, research, and quality improvement projects over her career. Dr. Cohen believes in a compassionate, communicative, and educational approach to patient-centered care. Languages spoken: English - fluent, Hebrew - fluent, Farsi - conversational, Spanish - conversational. More >

Pouyan Famini, MD
Endocrinology

Dr. Pouyan Famini grew up in the San Fernando Valley and earned his Bachelor of Science in Biology from the University of California, Los Angeles (UCLA). He then went on to the Albany Medical College in New York for his Medical Degree and returned to Los Angeles to complete residency training in Internal Medicine and specialty training in Endocrinology at Cedars-Sinai Medical Center and West Los Angeles VA Medical Center. He is board certified in Internal Medicine and Endocrinology, Diabetes and Metabolism. Following his training, Dr. Famini was in private practice for two years in Van Nuys practicing Endocrinology and treating hormone related disorders before joining UCLA. More >

Jaco Festekjian, MD
Plastic Surgery

Dr. Festekjian is Board Certified by the American Board of Plastic Surgery as well as the American College of Surgeons. Professional memberships include the American College of Surgeons, the American Society of Plastic Surgery, the American Society for Reconstructive Microsurgery, and the California Society of Plastic Surgery. More >

Susie Fong, MD
Pulmonary Medicine

Dr. Susie Fong is a sleep medicine physician who practices in Encino and Beverly Hills. She is board certified in Internal Medicine. She has interest in treating the full spectrum of sleep disorders including sleep related breathing disorders, central disorders of hypersomnolence, circadian rhythm sleep-wake disorders, sleep related movement disorders and insomnia. More >

Carolyn Goh, MD
Dermatology

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Paul Janoian, MD
Infectious Diseases

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Ruihong Luo, MD
Infectious Diseases

Dr. Ruihong Luo received her medical degree from Sun Yat-Sen University of Medical Sciences and practiced in China for seven years. Later she completed residency in Internal Medicine at University of Nevada School of Medicine in Las Vegas, and Infectious Diseases fellowship at Boston University and Boston Medical Center. Her practice focuses on general infectious diseases for inpatients and outpatients as well as HIV management. She is also interested in antibiotic utilization, hospital infection control and epidemiology. Dr. Luo speaks fluent English and Chinese including Mandarin and Cantonese. More >

William J. Martin, MD
Rheumatology

Dr. Martin grew up in Washington State. He attended the College of William and Mary in Virginia. Upon graduation, Dr. Martin was a Peace Corps volunteer in Tanzania for two years where he taught high school chemistry and biology. Later Dr. Martin attended medical school at Rosalind Franklin University of Medicine and Science / Chicago Medical School, in North Chicago, Illinois, graduating in 2006. He completed residency in Internal Medicine at the University of Washington in Seattle, and Rheumatology fellowship at UCLA. More >

Maureen McMahon, MD
Rheumatology

Maureen A. McMahon is a an Assistant Professor of Medicine/ Rheumatology who joined the UCLA School of Medicine faculty in 2003. More >

Sahar Sohrabian, MD
Cardiology

Dr. Sahar Sohrabian is a Non-Invasive Cardiologist who is board certified in Internal Medicine, Cardiovascular Disease, Echocardiography, and Nuclear Cardiology. She received her bachelor's degree from the University of California, Los Angeles and her medical degree from the University of California, San Francisco. She completed her Internal Medicine Residency at Olive View Medical Center, UCLA and her fellowship in Cardiology at the University of California, Irvine where she focused on Non-Invasive Imaging. Dr. Sohrabian's focus is on the management of chest pain, coronary artery disease, congestive heart disease, valvular heart disease and heart disease in women. She strives to minimize barriers to cardiovascular care across all ethnicities, languages, and cultures. She is fluent in Farsi and has been involved in many Iranian community outreach programs. More >

Samantha Swain, MD
Clinical Immunology & Allergy

Dr. Samantha Swain is an allergist and immunologist who practices in Encino. She is board certified in allergy and immunology, and internal medicine, and specializes in treating patients with seasonal allergies, recurrent sinus infections, asthma, food allergy, eosinophilic esophagitis, eczema, hives, drug allergy, mast cell disease, anaphylaxis, and immune disorders with recurrent infections. She works with patients to optimize their health. More >

Samantha Wong, MD
Pain Management

Dr. Samantha Wong is an anesthesiologist and pain medicine physician who practices in Encino. She manages pain with a comprehensive approach by utilizing physical therapy, behavioral medicine, medication and interventional techniques. She is board certified in anesthesiology. More >

Erik Zeegen, MD
Orthopaedic Surgery

Dr. Erik N. Zeegen is a board-certified orthopaedic surgeon who specializes in joint replacement surgery, and has extensive experience in anterior hip replacement surgery, less invasive knee replacement surgery, and complex revision surgery of hip and knee replacements that have failed. Dr. Zeegen is the Chief of Joint Replacement Surgery at UCLA. More >

Daniel Eshtiaghpour, MD
Digestive Diseases

Dr. Daniel Eshtiaghpour is a gastroenterologist who practices in Encino. He has clinical expertise in gastrointestinal bleeding, inflammatory bowel disorders (Crohn's disease and ulcerative colitis), functional gastrointestinal disorders (irritable bowel syndrome), liver diseases, colon cancer screening and gastroesophageal reflux disease (GERD). More >

Ara Kardashian, MD
Digestive Diseases

Dr. Kardashian joined the faculty within the Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA in 2017. He obtained his undergraduate degree in biomedical and electrical engineering from Duke University. After earning his medical degree from New York Medical College, he completed internship and residency in internal medicine at Los Angeles County+USC Medical Center. He then went on to train in gastroenterology and hepatology at Scripps Clinic and Scripps Green Hospital in San Diego before joining UCLA. More >

Kara Walter, MD
Digestive Diseases

Dr. Kara Walter specializes in general and transplant hepatology. She treats patients with a wide spectrum of liver disorders, including non-alcoholic fatty liver disease, viral hepatitis, autoimmune liver diseases, cirrhosis of the liver and its complications, and hepatocellular carcinoma. She also cares for patients both before and after liver transplantation. She earned her medical degree from Weill Cornell Medical College and completed her internal medicine residency and her gastroenterology and transplant hepatology fellowship training at the University of Washington School of Medicine. More >

Juan Alcantar, MD
Hematology-Oncology

Dr. Juan M. Alcantar grew up in Oxnard. He attended the David Geffen School of Medicine at UCLA and completed an internal medicine residency at Olive View-UCLA Medical Center. His medical oncology and hematology fellowship was completed at Harbor-UCLA and City of Hope Medical Centers. Prior to completing his fellowship, Dr. Alcantar practiced ambulatory and hospital medicine in Sherman Oaks, California. He was in private practice in hematology/oncology from 2011-2015. Dr. Alcantar is board-certified in internal medicine as well as hematology and oncology. He regularly participates in multi-disciplinary tumor boards to provide optimal and up-to-date treatments for his patients. He is dedicated to providing comprehensive medical care with quality and compassion to his patients. Dr. Alcantar enjoys his spare time with his wife and two sons. He also enjoys soccer and reading on the history of medicine. More >

Wanxing Chai-Ho, MD
Hematology-Oncology

Dr. Wanxing Chai-Ho is a hematologist oncologist who practices in Westwood and Encino. She uses a multidisciplinary approach to diagnose and treat blood disorders, head and neck cancer, and solid malignancies. Dr. Chai-Ho is a strong advocate for her patients and their families. She is board certified in internal medicine. More >

Richard Finn, MD
Hematology-Oncology

Dr Richard Finn is an Assistant Professor of Medicine at the Geffen School of Medicine at UCLA in the Department of Medicine, Division of Hematology/ Oncology. He was an undergraduate at UCLA where he was involved with early laboratory studies investigating the HER2 oncogene and the development of monoclonal antibodies to this target in breast cancer with Dr Dennis Slamon. He participated in the pre-clinical studies that defined the clinical candidate that eventually humanized and became the FDA approved agent trastuzumab (Herceptin). He went on to medical school at USC then returned to UCLA for his clinical training in Internal Medicine and then Hematology/Oncology. More >

Solomon Hamburg, MD, PhD
Hematology-Oncology

Dr. Solomon Hamburg is a general hematologist and medical oncologist who practices in Beverly Hills and Encino. He has been treating cancer patients for more than 40 years, and sees himself as a physician advisor, supporting each patient throughout their serious illness. Dr. Hamburg cares for patients will all types of cancer, but has particular interest in gastrointestinal malignancies, including liver cancer; blood cancers called myeloproliferative neoplasms; and coagulation disorders. He has expertise in stem cell transplant, and is board certified in internal medicine, hematology and medical oncology. More >

Sandy Liu, MD
Hematology-Oncology

Dr. Sandy Liu is a board-certified physician in hematology and oncology. She completed her hematology/oncology fellowship at UCLA and Internal Medicine residency at Cedars-Sinai Medical Center. She earned her medical degree from George Washington University in Washington D.C. and her bachelors of science in biology at University of Southern California. More >

Nicolaos Palaskas, MD, PhD
Hematology-Oncology

Dr. Palaskas completed his hematology/oncology fellowship at the David Geffen School of Medicine at UCLA and is a graduate of the Specialty Training and Advanced Research Program. Dr. Palaskas is a native of the American Midwest but spent many years in Europe, including attending medical school in Thessaloniki, Greece. He trained in Internal medicine at St Elizabeth's Medical Center in Boston, a TUFTS University affiliate. Prior to his fellowship at UCLA, he cared for complicated cancer patients with multiple medical problems at a Partners Healthcare Long Term Acute Care facility in Cambridge, Massachusetts. As a clinician-investigator, Dr. Palaskas is interested in using metabolic interventions to improve the already promising activity of cancer immunotherapies. More >

Lee Rosen, MD
Hematology-Oncology

Lee Rosen, MD, FACP is Health Sciences Clinical Professor of Medicine in the Division of Hematology-Oncology, Department of Medicine. He has a longstanding interest in the treatment of pancreas and other gastrointestinal malignancies, specifically in the area of new drug development. Dr. Rosen completed his residency and fellowship in hematology/oncology at the UCLA School of Medicine in 1996, joining the full-time faculty immediately thereafter. He created and directed the Cancer Therapy Development Program, designed to coordinate translational/clinical research of new cancer treatments. Some of the first drugs he and his team worked with were designed for gastrointestinal cancers, so he and colleagues created a group dedicated to treating these diseases in a coordinated fashion. More >

John Shen, MD
Hematology-Oncology

Dr. John Shen is a medical oncologist who practices in Westwood, Santa Monica and Encino. He is board certified in internal medicine, and he specializes in the care of older adults with advanced cancers. His research interests include genitourinary malignancies, such as cancers of the prostate, kidney, and bladder, as well as improving access to clinical trials for older adults. More >

Gregory Senofsky, MD
Surgical Oncology

Dr. Gregory Senofsky is a board-certified, fellowship-trained surgical oncologist with special expertise in breast and melanoma surgery. He sees patients for consultations in Santa Clarita, Porter Ranch and Encino, and performs surgery at nearby community hospitals and at Ronald Reagan UCLA Medical Center. More >

Nimit Sudan, MD
Hematology-Oncology

Dr. Nimit Sudan is from the Midwest and completed his undergraduate and medical school at Wayne State University. He received his internal medicine residency training at the Cleveland Clinic Foundation. Dr. Sudan completed his hematology and oncology fellowship at West Penn/Allegheny. He is board certified in internal medicine, hematology and oncology and manages all hematologic and oncologic conditions. He also has an interest in integrated medicine and has practiced acupuncture. Dr. Sudan's mission is to treat every patient with the utmost compassion. He believes in good communication and educating his patients. Outside of work, he enjoys traveling and spending time with his family. More >

Philip Biderman, MD
General Surgery

Dr. Philip Biderman is a general surgeon who has been in practice for more than 30 years. He offers consultations in Encino and Toluca Lake and performs procedures including hernia repair, gallbladder removal, colon resection, and soft tissue and/or cyst removal at Providence Saint Joseph Medical Center in Burbank and The Specialty Surgical Center of Encino. He received his medical degree from New York Medical College and completed his general surgery residency at Harbor/UCLA Medical Center. More >

Sarah Matrisciano Gilyard, MD
General Surgery 

Dr. Sarah Matrisciano Gilyard is a General Surgeon with UCLA Health. She completed her undergraduate degree at UC Santa Barbara in Biopsychology, then went on to receive her medical degree at the University of California, San Diego School of Medicine. She completed five years of General Surgery residency at Kaiser Permanente Los Angeles Medical Center, and thereafter she joined UCLA Health Division of General Surgery. More >

Michael W. Robinson II, MD
General Surgery

Dr. Michael Robinson is a board certified surgeon with the American Board of Surgery. He specializes in a wide range of general surgery, including hernia repair, appendiceal and gallbladder surgeries, anti-reflux surgery, bariatric surgery, and colon and intestinal surgery, among others. More >