Physician

Dr. Chibuzo Casey Ohanaja, MD, MPH, DABFM, is a board-certified family medicine and sports medicine physician and founder of Chiron Sports Performance & Consulting in Metro Detroit. He currently serves as a multi-facility Medical Director with MedCap/MMG and is an adjunct professor at Oakland University, where he teaches graduate-level Evidence-Based Decision Making. Dr. Ohanaja completed his sports medicine fellowship with advanced training in non-operative orthopedics, musculoskeletal ultrasound, regenerative medicine, athletic performance, and injury prevention. As...

Kasra Khatibi, MD, is an expert in neurointerventional surgery for all ages, also known as endovascular neurosurgery, which provides minimally invasive treatment of the brain, spine, and head and neck. Dr. Khatibi also specializes in neurocritical care, treating complex neurological illnesses or injuries within the intensive care unit. He is fellowship trained in neurointerventional surgery, as well as board certified in neurology and neurocritical care. His research priorities include the use of noninvasive, multimodality magnetic...

Dr. Mark D. Krieger is a professor of neurological surgery at the Keck School of Medicine at the University of Southern California. He is also the surgeon-in-chief and a senior vice president at Children’s Hospital Los Angeles (CHLA) where he holds the Billy and Audrey Wilder Chair in Neurosurgery. He obtained his undergraduate degree magna cum laude from Harvard College in Neurobiology in 1988 and received his MD from the College of Physicians and Surgeons...

Keaton Piper is a functional neurosurgeon who completed my undergraduate training at the University of Arkansas, followed by medical school at the University of Rochester, residency at the University of South Florida, and fellowship training at the University of California, San Francisco. His research focuses on novel surgical and neuromodulatory treatments for refractory pain, an understudied area within neurosurgery, with particular emphasis on trigeminal neuralgia, Chiari-related pain, and atypical facial pain. In parallel, he has...

Dr. Linda Mayes is the Arnold Gesell Professor of Child Psychiatry, Pediatrics, and Psychology and Director of the Yale Child Study Center. She is also Special Advisor to the Dean in the Yale School of Medicine. Trained as a pediatrician, Dr. Mayes’s research focuses on stress-response and regulatory mechanisms in young children at both biological and psychosocial risk. She has especially focused on the impact of prenatal substance use on children’s long-term outcomes. She has...

David R. Friedland, M.D., Ph.D., is Professor of Clinical Otolaryngology-Head and Neck Surgery; Associate Dean for Clinical Research; Director of Clinical Artificial Intelligence Applications; and Director of the Clinical Research Services Core in Keck School of Medicine at the University of Southern California (USC) in Los Angeles. Dr. Friedland received his medical degree from the Icahn School of Medicine at Mount Sinai in New York City where he also completed residency training in Otolaryngology-Head and...

Dr. Shareef Syed is an Assistant Professor of Surgery within the Division of Transplant Surgery at the University of California, San Francisco. He also serves as the division’s educational lead to general surgery residents, participates in enhancing the campus surgical education curriculum and was recently accepted in to the upcoming Teaching Scholars Program cohort. Dr. Syed was recently awarded the Faculty Teaching Award by UCSF’s PGY1 General Surgery Residents in recognition for the quality of...

Apurva Bhatt, M.D., is a child, adolescent and adult psychiatrist and Clinical Assistant Professor at Stanford University School of Medicine. Her role spans the General Adult Psychiatry Division, Child Psychiatry Division, and Center for Youth Mental Health and Wellbeing. Dr. Bhatt specializes in early psychosis evaluation and treatment. She is the Director of the Child INSPIRE clinic and currently provides clinical care in both the Stanford Children’s Hospital Child INSPIRE early psychosis clinic and the...

Sheldon Benjamin, MD is Professor Emeritus of Psychiatry and Neurology at UMass Chan Medical School in Worcester, Massachusetts, where he was Director of Neuropsychiatry for 39 years, residency director for 30 years, and chair of psychiatry for 4 years. A career neuropsychiatry educator, he is board certified in psychiatry, neurology and behavioral neurology/neuropsychiatry; is a past president of the American Neuropsychiatric Association and the American Association of Directors of Psychiatry Residency Training. He is a...

Daniel Cho, MD, MPH, is a distinguished leader in the field of psychiatry and medicine. He has served as the Residency Training Director & Vice Chair of Education at the Charles R. Drew University of Medicine and Science, where he has been instrumental in shaping the future of psychiatry training. His leadership roles have included serving on the APA Board of Trustees and the APA/APAF Leadership Fellowship, showcasing his commitment to advancing the field of...

Dr. Berenji is a double board‑certified physician in Occupational and Environmental Medicine and Public Health/General Preventive Medicine, and is board‑eligible in Clinical Informatics. She is an Associate Clinical Professor in Occupational and Environmental Medicine at UC Irvine School of Medicine, an Associate Clinical Professor in Environmental and Occupational Health at the UCI Program in Public Health, and an Assistant Professor of Medicine at Charles R. Drew University. She serves as Chief of Occupational Health at...

Dr. Helen Tran is a Board-Certified Family Physician with a passion for education, leadership, and health equity. After completing her Family Medicine residency, she pursued a fellowship in Faculty Development and Administration, laying the groundwork for her career in academic and clinical medicine. She currently serves as Director of Clinical Education at Charles R. Drew University College of Medicine, where she co-directs the Pre-Clerkship Clinical Skills course and oversees the third-year Clerkship curriculum. In her...

Dr. Baydur’s clinical interests include respiratory disorders (chronic obstructive pulmonary disease, bronchiectasis, asthma), neuromuscular diseases with breathing problems and pulmonary rehabilitation. His research interests include respiratory mechanics, control of ventilation and chronic obstructive pulmonary disease. Dr. Baydur worked in the Chest Medicine Service department at the prestigious Rancho Los Amigos National Rehabilitation Center from 1975 to 1995. For his last five years at Rancho Los Amigos, Dr. Baydur held the position of Chief of Service....

Robert N. Agnello, DO, MHPE, FACOFP, FAAFP, serves as Chair of Family Medicine and Assistant Professor at Campbell University School of Osteopathic Medicine (CUSOM), with expertise in integrative pain management. He is board-certified in family and pain medicine, holds certifications in medical acupuncture, and teaches battlefield acupuncture. With over two decades of clinical and academic experience, including service at Womack Army Medical Center, Dr. Agnello leads initiatives in chronic pain education and research. He currently...

Dr. Kendall Carpenter, MD, MPH is a pediatric chief resident in the Boston Combined Residency Program at Boston Children’s Hospital and Boston Medical Center. Her work focuses broadly on medical education, implementation science, and global pediatric oncology, with an emphasis on improving training environments and advancing equitable care delivery for children with cancer worldwide. This summer she will start her fellowship training in pediatric hematology-oncology at Dana-Farber/Boston Children’s Cancer and Blood Disorders Center.

Dr. Julie Ann Sosa is the Leon Goldman, MD Distinguished Professor of Surgery and Chair of the Department of Surgery at UCSF, where she is also a Professor of Medicine and affiliated faculty with the Philip R. Lee Institute for Health Policy Studies. She joined UCSF in 2018 after serving on the faculty at Duke. A leading endocrine surgeon, her clinical work centers on thyroid cancer. She is an NIH‑ and FDA‑funded investigator and has...

Dr. Nancy C. Allen, MD, PhD, is a physician‑scientist in the UCSF Pulmonary, Critical Care, Allergy and Sleep Medicine division whose work integrates high‑quality clinical care, translational research, and trainee mentorship. She earned her MD and PhD in Immunobiology from Yale University after completing a BS in Molecular, Cell, and Developmental Biology at UCLA, and she completed her internship, residency, and fellowship in Pulmonary and Critical Care Medicine at UCSF. Clinically, Dr. Allen cares for...

Dr. Miya Bernson-Leung is Program Director of the Child Neurology Residency Training Program at Boston Children's Hospital and Assistant Professor of Neurology at Harvard Medical School, where she is the Child Neurology Specialty Advisor. She majored in neuroscience at Harvard College and obtained her MD at Harvard Medical School. She completed pediatrics residency in the Boston Combined Residency in Pediatrics, and child neurology residency and a fellowship in pediatric stroke and cerebrovascular disorders at Boston...

Dr. Sam Brondfield, MD, MAEd, FASCO is an Associate Professor of Hematology/Oncology and Chief of UCSF’s Inpatient Oncology Consult Service. He completed medical school, internal medicine residency, chief residency, and oncology fellowship at UCSF. He works as a hospital-based oncologist and clinician educator, attending on the solid tumor consult service as well as the hospital medicine teaching service. He obtained a Master of Arts in Education degree from UC Berkeley and is a current PhD...

Kornelia Polyak, MD, PhD, is Professor of Medicine at Dana-Farber Cancer Institute, Harvard Medical School, and a co-leader of the Dana-Farber Harvard Cancer Center Cancer Cell Biology Program and SPORE in Breast Cancer. Dr. Polyak is an internationally recognized leader of breast cancer research. Her laboratory is dedicated to the study of human breast cancer with the goal of dissecting tumor evolution and use this information to improve the clinical management of breast cancer patients....

Dr. Donald I. Abrams, MD, is Chief of the Hematology‑Oncology Division at San Francisco General Hospital and a Professor of Clinical Medicine at the University of California, San Francisco. He also practices Integrative Oncology at the UCSF Osher Center for Integrative Medicine. He earned his AB in Molecular Biology from Brown University and his MD from Stanford, followed by an Internal Medicine residency at Kaiser San Francisco and a Hematology/Oncology fellowship at UCSF’s Cancer Research...

Dr. Micheal H. Crawford is a general clinical cardiologist with interests in non-invasive testing, coronary artery and valvular heart disease, left ventricular function, stress testing and the athlete’s heart. His research has been focused on studies that directly impact patient care. He manages inpatients and outpatients with cardiovascular disease, interprets echocardiograms and ECG based testing, and supervises a variety of stress tests. His teaching has focused on post-graduate education. He was a cardiology fellowship director...

Lynda Frassetto, MD, is a Professor Emeritus of Medicine in the Division of Nephrology at the University of California, San Francisco (USCF). She grew up in the greater New York metropolitan area and attended college and medical school in Connecticut. She trained as a nephrologist at UCSF and was in private practice in San Francisco before returning to UCSF to start her research career with Drs. Anthony Sebastian and R. Curtis Morris Jr. Over approximately...

Dr. Cederquist worked as an Internal Medicine physician at an academic hospital (University of California San Diego) for over 30 years, and is now retired. She also served as the Director of the Clinical Ethics Program. Throughout her career, she taught medical students and residents.

Dr. Katherine Brooks is faculty in the department of Hospital Medicine at UCSF and works clinically at San Francisco General Hospital. She is a clinician educator and holds several leadership positions in the school of medicine including as a Clinical Skills Mentor at the Joint Medical Program between UC Berkeley and UCSF, Assistant Director of the Course on Diagnostic Reasoning and Co-Director of Model SFGH, a site based longitudinal clerkship program at San Francisco General...

Dr. Louis Rotkowitz is a medical doctor with 22 years of experience specializing in family medicine, emergency medicine, and surgery. His broad expertise allows him to provide comprehensive care across multiple medical areas, from routine family health needs to urgent medical situations and surgical procedures. This diverse background enables Dr. Rotkowitz to address a wide range of patient concerns with extensive clinical knowledge. Dr. Rotkowitz earned his medical degree from St Matthews University School of...

Matthew Growdon, MD, MPH is a geriatrician and Assistant Professor of Medicine in the University of California, San Francisco (UCSF) Division of Geriatrics. Dr. Growdon’s research is focused on improving the quality and safety of prescribing for older adults. Dr. Growdon received his medical school training at Harvard Medical School and his MPH with an emphasis on quantitative methods from Harvard School of Public Health. He completed residency in internal medicine and primary care at...

Dr. Arvind Kamthan has practiced as a board certified Medical Oncologist since 1993. He graduated from S.M.S. Medical College, Jaipur in India. Dr. Kamthan completed his residency in General Internal Medicine at the hospitals in United Kingdom followed by a fellowship in Medical Oncology and Hematology Malignancies at Christie Hospital, University of Manchester. He then pursued a second fellowship in Neoplastic Diseases at the Icahn School of Medicine at Mount Sinai. Dr. Kamthan specializes in...

Dr. Donald I. Abrams, MD, is Chief of the Hematology‑Oncology Division at San Francisco General Hospital and a Professor of Clinical Medicine at the University of California, San Francisco. He also practices Integrative Oncology at the UCSF Osher Center for Integrative Medicine. He earned his AB in Molecular Biology from Brown University and his MD from Stanford, followed by an Internal Medicine residency at Kaiser San Francisco and a Hematology/Oncology fellowship at UCSF’s Cancer Research...

Dr. Madhavi Dandu is a Professor of Medicine. She received her undergraduate degree in Comparative Literature and Biomedical Sciences and then a medical degree from the University of Michigan in Ann Arbor. She completed her residency training in the Categorical Medicine Program at UCSF in 2003. Afterwards, Dr. Dandu attended the University of California, Berkeley and received a Masters in Public Health with a focus on international health and health and human rights. Prior to...

Dr. Harper is a clinician-educator and a sustaining member of the UCSF Haile T. Debas Academy of Medical Educators. He is a past President and Chair of the Board of Directors of the American Geriatrics Society and the current Consulting Editor for Clinics in Geriatric Medicine. Throughout his career, Dr. Harper has worked in various settings across the geriatrics continuum of care, including ambulatory and home-based primary care, long-term care, PACE, and acute and post-acute...