New Patient
Appointment Request
Vivek Bhatt, MD, MPH, MBA
Internal Medicine
Dr. Vivek Bhatt MD, MBA, MPH is a Delegate of the American Board of Internal Medicine as a board certified Internal Medicine physician. Vivek attended the University of Southern California Keck School of Medicine where he earned his MD, MBA (Master of Business Administration), and MPH (Master of Public Health) degrees. He subsequently went on to receive his Internal Medicine Residency training at Loma Linda University Medical Center. Vivek's passion lies in helping patients to navigate the complex healthcare system, so as to be able to receive the highest level of care possible. More >
Mufaddal Dahodwala, MD, MS
Internal Medicine
Dr. Mufaddal Dahodwala is a primary care physician who practices in Santa Clarita. He is board certified in internal medicine, and his clinical interests include primary and urgent care. He is passionate about empowering patients to take control of their health, incorporating holistic approaches in primary care, and promoting health literacy through technology and social media. More >
Sam A. Kashani, MD
Sleep Medicine
Dr. Sam Kashani is a board-certified sleep specialist who practices in Santa Monica, Porter Ranch and Santa Clarita. Dr. Kashani completed his residency at Arrowhead Regional Medical Center in Southern California, where he worked with the medically underserved population of San Bernardino County with plans of becoming a primary care physician. Upon completing his residency and becoming board-certified, he decided to pursue his interest in sleep medicine and completed his fellowship in sleep medicine at the UCLA David Geffen School of Medicine and West Los Angeles VA Medical Center. His clinical interests include insomnia, pediatric sleep disorders, narcolepsy, sleep apnea, cataplexy, restless legs syndrome, parasomnias, and the associations between sleep, obesity, and metabolic health. Dr. Kashani also has an interest in medical education and is clinical instructor of medicine at David Geffen School of Medicine at UCLA. Prior to pursuing a career in medicine, Dr. Kashani worked in film production and wrote, directed, and produced independent documentary films that have been shown in film festivals worldwide. Dr. Kashani was born and raised in Los Angeles, California and is fluent in English, Spanish, and Persian. Outside of medicine, his interests include classic films, travel, biking, and cooking. More >
Ramya R. Malchira, MD
Internal Medicine/Nephrology/Hospitalist
Dr. Ramya R. Malchira is a nephrologist and primary care physician who practices in Santa Clarita. She is board certified in internal medicine and nephrology. In addition to her outpatient activity, she also sees patients at Henry Mayo Newhall Memorial Hospital and Northridge Hospital Medical Center. More >
Abigail Maller, MD
Sleep Medicine
Dr. Abigail Maller is a pulmonary, critical care, and sleep medicine physician at UCLA. She is board certified in internal medicine, pulmonary disease, and critical care medicine. Her clinical interests include sleep apnea, narcolepsy, and nocturnal non-invasive ventilation. More >
Brendan M. Riley, DPM
Podiatry
Dr. Brendan M. Riley is a podiatrist and foot surgeon who practices in Santa Clarita. He is certified by the American Board of Podiatric Surgery in foot and reconstructive rearfoot/ankle surgery. His training and professional interests are in foot and ankle trauma, reconstructive surgery and diabetic foot care. More >
New Patient
Appointment Request
Roxana Cortes Lopez, MD
Pulmonary & Critical Care Medicine
Andrew Day, MD
Endocrinology
Dr. Andrew Day is an endocrinologist who practices at UCLA Health's Santa Clarita clinic. Dr. Day received his medical degree from the Temple University School of Medicine. He completed his internship and residency in internal medicine at the University of Wisconsin, Madison. He moved to the University of California, Los Angeles to complete a fellowship in endocrinology, diabetes, and metabolism. He received his undergraduate degree from the University of Chicago, where he graduated with honors. More >
Nicholas Donin, MD
Urology
Dr. Nicholas Donin is a urologist and urologic oncologist who practices in Santa Clarita and Burbank. His subspecialty is urologic oncology and the treatment of urologic cancers, including cancers of the kidney, prostate, bladder and testis. He is also an assistant clinical professor of urology at the David Geffen School of Medicine at UCLA. More >
Brandon S. Grimes, MD, MS
Pulmonary & Critical Care Medicine
Dr. Brandon S. Grimes is a pulmonologist and critical care physician who practices in Beverly Hills, Burbank, Westwood and Porter Ranch. He also provides consultations and critical care services to patients hospitalized in Ronald Reagan UCLA Medical Center, UCLA Medical Center, Santa Monica, and Providence Little Company of Mary Medical Center Torrance. He is board certified in internal medicine, pulmonary disease and critical care medicine, and has expertise in COPD/emphysema, bronchiectasis, lung nodules and lung cancer. More >
Scott B. Hu, MD
Pulmonary & Critical Care Medicine
Carolina Hurtado, MD
Endocrinology
Dale Jun, MD
Pulmonary & Critical Care Medicine
Dr. Jun moved from San Diego to attend college at Brown University in Providence, Rhode Island then moved to Bronx, New York to attend medical school at Albert Einstein College of Medicine. After obtaining his degrees, he came back to California and did his internal medicine residency at Cedars-Sinai and West LA Veterans Affairs Medical Centers. During his training, he developed particular interest in pulmonary and sleep physiologies and disorders. He decided to obtain further training at UCLA in Pulmonary, Critical Care, and Sleep Medicine. At UCLA, he has been actively involved in sleep apnea research in patients with complex cardiac and pulmonary disorders. More >
M. Iain Smith, MD
Pulmonary & Critical Care Medicine
New Patient
Appointment Request
David Joseph Cho, MD
Cardiology
Dr. David Joseph Cho is a general cardiologist who practices at UCLA Health Santa Clarita. He specializes in both the prevention and management of heart disease, working together with patients to improve their overall health and quality of life. More >
Megan Kamath, MD
Cardiology
James S. Lee, MD
Cardiology
Dr. Lee is committed to excellence in comprehensive health care and in understanding patient's health care needs in conjunction with implementation of state-of-the-art techniques and compassionate care. More >
Carlos Macias, MD
Cardiology
Dr. Carlos Macias is a cardiologist who practices in Porter Ranch and Santa Clarita. He is board certified in internal medicine, cardiovascular disease and clinical cardiac electrophysiology, and his clinic interests include ablation, arrhythmia, atrial fibrillation, electrophysiology, implantable defibrillators and pacemakers. More >
Tri Trinh, MD
Cardiology
Dr. Tri Trinh is an interventional cardiologist who practices at UCLA Health Santa Clarita. He specializes in both the prevention and management of heart diseases, focusing on trans-catheter based therapies for coronary artery and structural heart diseases. He is committed to providing evidence-based medicine and to improve quality care for his patients. More >
New Patient
Appointment Request
Sittiporn Bencharit, MD
Digestive Diseases
Dr. Sittiporn Bencharit is a gastroenterologist who practices in Santa Clarita. He is board certified in internal medicine and gastroenterology. More >
Danny Issa, MD
Digestive Diseases
Dr. Issa is an interventional gastroenterologist with advanced fellowship training. His clinical and research interest focus on using minimally-invasive approaches to the diagnosis and treatment of digestive diseases such as the pancreas and biliary tract disorders, achalasia, Barrett's esophagus, gastroparesis, colon polyps and early cancer lesions. More >
Rajinder Kaushal, MD
Digestive Diseases
Dr. Rajinder Kaushal is a gastroenterologist who practices in Santa Clarita. He is board certified in internal medicine and gastroenterology. More >
Kevork Kazanjian, MD
Colorectal Surgery
Dr. Kevork Kazanjian is a colorectal surgeon who practices in Santa Clarita. He is board certified in surgery and colon and rectal surgery. His clinical interests and expertise include colon and rectal Cancer, minimally invasive colorectal surgery (laparoscopic and robotic), transanal endoscopic surgery, Inflammatory Bowel Disease (Crohn's & ulcerative colitis), and anorectal disorders. More >
Laura McEnerney, MD
Digestive Diseases
Dr. Laura McEnerney is a gastroenterologist who practices in Santa Clarita. She is board certified in internal medicine and gastroenterology, and specializes in general digestive health, with particular interest in liver disease. More >
George Z. Pan, MD
Pain Management
Dr. George Z. Pan is an anesthesiologist and pain medicine physician who practices in Santa Clarita. He is board certified in anesthesiology and pain medicine. He specializes in treating pain conditions that have not responded to conservative therapy with minimally invasive procedures and an approach that combines various groups of medications—called multimodal analgesic therapies—for pain relief. More >
Michael G. Quon, MD
Digestive Diseases
Dr. Michael G. Quon is a gastroenterologist who practices in Santa Clarita. He is board certified in gastroenterology. More >
Bradley M. Reid, MD
Pain Management
Dr. Bradley M. Reid is an anesthesiologist and pain medicine specialist who practices in Santa Clarita. He is board certified in anesthesiology and pain medicine, and focuses on managing chronic pain with minimally invasive procedures. More >
Anna Skay, MD
Digestive Diseases
Dr. Anna Skay is a gastroenterologist who practices in Porter Ranch & Santa Clarita. She is board certified in internal medicine and gastroenterology. She practices general gastroenterology and has clinical interest in gastroesophageal reflux disease (GERD), peptic ulcer disease, gastrointestinal tract bleeding, colon cancer screening, irritable bowel syndrome, chronic constipation and gastrointestinal endoscopy. More >
New Patient
Appointment Request
Alexander C. Black, MD
Hematology/Oncology
Dr. Alexander C. Black is hematologist oncologist who practices in Santa Clarita and Pasadena. He is board certified in internal medicine, medical oncology and hematology. He focuses on clinical research and patient care, with a background in molecular biology research in leukemia. More >
Rena Callahan, MD
Hematology/Oncology
Dr. Rena Callahan is a hematologist oncologist who practices in Santa Monica and Santa Clarita. She is active in the breast cancer research and treatment program, and also specializes in gynecologic malignancies. She is board certified in hematology and medical oncology, and is also an assistant clinical professor of medicine at the David Geffen School of Medicine at UCLA. More >
Nu T. Lu, MD
Hematology/Oncology
Dr. Nu T. Lu is a hematologist oncologist who practices in Santa Clarita. She is board certified in hematology and medical oncology. 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 a hematologist oncologist who practices in Encino and Santa Clarita. He is board certified in internal medicine, hematology and medical oncology, and is an assistant clinical professor in the David Geffen School of Medicine at UCLA. More >
Ramandeep Bains, MD
Rheumatology
Dr. Ramandeep Bains is a general rheumatologist who cares for patients with all types of rheumatic conditions, including rheumatoid arthritis, lupus, gout and osteoarthritis, and performs joint injections. She prefers to develop a relationship with her patients that supports shared decision making. She is board certified in Internal Medicine and Rheumatology, and is fluent in Spanish. More >
Geoffrey P. Colby, MD, PhD | Watch Video
Associate Professor of Neurosurgery and Radiology
Director of Cerebrovascular Neurosurgery
Dr. Geoffrey P. Colby is a board-certified and fellowship-trained cerebrovascular and endovascular neurosurgeon who specializes in blood vessel (vascular) disorders of the brain and spine. These include brain aneurysms, arteriovenous malformations (AVMs), dural arteriovenous fistulas (dAVFs), subarachnoid hemorrhage, acute stroke, carotid artery stenosis, intracerebral hemorrhage, cavernous malformations, and Moyamoya disease. He offers a comprehensive evaluation and a customized treatment plan based on the most advanced and sophisticated techniques available, including "minimally-invasive" endovascular procedures like flow diversion and coiling. His research focuses on improving patient outcomes using modern neurosurgical techniques and the development of novel treatment devices. More >
Irene A. Kim, MD
Otolaryngology / Head and Neck
Dr. Irene A. Kim is a head and neck surgeon who sees patients in Santa Monica and Santa Clarita. She is an attending surgeon in the Department of Head and Neck Surgery in the David Geffen School of Medicine at UCLA, and an attending surgeon in the Division of Head and neck Surgery at Olive View-UCLA Medical Center. She is board certified in otolaryngology, and fellowship trained in facial reanimation surgery for facial paralysis. More >
Geraldine M. Navarro, MD
Rheumatology
Dr. Geraldine M. Navarro earned her medical degree from UCLA School of Medicine. She completed her internship and residency in internal medicine at Olive View-UCLA Medical Center. She completed her fellowship in rheumatology at UCLA School of Medicine. More >
Emily C. Newsom, MD
Dermatology
Dr. Emily C. Newsom is a board certified dermatologist and fellowship trained dermatologic surgeon who practices in Santa Clarita and Porter Ranch. She is board certified in dermatology, and specializes in skin cancer, dermatologic surgery and cosmetic dermatology. Her research is primarily in the fields of skin cancer and patient education. More >
Gifty-Maria J. Ntim, MD
Internal Medicine-Pediatrics
Dr. Gifty-Maria J. Ntim is a primary care physician who is board certified in both internal medicine and pediatrics. She practices in Santa Clarita, and considers it a privilege to be able to care for a patients of all ages, from newborns to the elderly. More >
Ana Rivera, MD
Internal Medicine
Shant Shekherdimian, MD
Pediatric Surgery
Travis Shiba, MD
Otolaryngology / Head and Neck
Dr. Travis Shiba is an otolaryngologist and head and neck surgeon who practices in Santa Clarita and Thousand Oaks, and is a consulting surgeon specialist in the division of head and neck surgery at Olive View-UCLA Medical Center. He is board certified in otolaryngology. More >
Devesh Upadhya, MD
Internal Medicine-Pediatrics
Dr. Devesh Upadhya is a primary care physician who lives and practices in Santa Clarita. He is board-certified in both internal medicine and pediatrics and sees patients of all ages. He is passionate about taking a scientific, evidence-based approach to helping all types of patients understand and take charge of their health. More >
Yang Yu, MD
Dermatology
Hijab S. Zubairi, MD, MPH
Internal Medicine-Pediatrics
Dr. Hijab S. Zubairi is a primary care physician who practices in Santa Clarita. She is board certified in both internal medicine and pediatrics, and can see patients of all ages. Her clinical interests include tropical medicine and infectious diseases, refugee health, patient advocacy, medical education and advancement, and providing primary care to patients in resource limited areas. More >
Arineh Melkonian, MD
Internal Medicine
New Patient
Appointment Request
Sarah M. Gilyard, MD
General Surgery
Dr. Sarah Matrisciano Gilyard is a board certified General Surgeon and Clinical Instructor 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. She focuses her care on a multitude of surgical conditions. With expertise in minimally invasive and robotic surgery, her practice includes hernia repair, gallbladder disease, appendiceal disease, large and small bowel disease, anorectal disease such as hemorrhoids, anti-reflux surgery, breast disease, and procedures for lipomas, cysts and other skin lesions to name a few. She speaks English and Spanish. More >
Michael W. Robinson, 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 >
