Urology Associates Medical Group A division of U.S.S.C.

Appointments: 818.843.1700

Our Physicians

Martin K. Gelbard, MD

Martin K. Gelbard

Dr. Gelbard graduated with honors from Sanford University, after attending Burbank High School. He received his doctor of Medicine degree from University of California at Davis. Two more years at the Sacramento Medical Center followed, in a general Surgery internship and residency. His final four years of postgraduate training were spent in the UCLA Urology residency program.

In private practice in Burbank since 1982, Dr. Gelbard is certified by the American Board of Urology, is a consulting urologist to the Sepulveda Veteran’s Administration Hospital, and an assistant Clinical Professor of Urology at the UCLA School of Medicine. He has served as Chief of Surgery at St. Joseph Medical Center, a consulting Editor to the Journal of Urology, and is a contributing member of a number of professional organizations, including the American Urologic Association, the Society of Genitourinary Reconstructive Surgeons, and The Society for Impotence Research. Dr. Gelbard has a special interest in reconstructive surgery, having published extensively in this field, and has serviced as the principal investigator in several FDA sanctioned clinical trials.


Philip Weintraub, MD

Philip I. Weintraub, MD Doctor Weintraub joined Urology Associates Medical Group in 1987 after completing his six-year Surgical and Urological residency at the University of Southern California.  Prior to that he attended this USC School of Medicine and graduated with honors from Pomona College. He has a Masters in Business Administration from UCLA.

Dr. Weintraub is certified by the American Board of Urology and is Assistant Clinical Professor of Urology at the USC School of Medicine.  He has served on the Board of Directors of the Western Section of the American Urologic Association and as the chief of Urology at Providence Saint Joseph’s Medical Center. He is particularly interested in the treatment of prostate cancer and incontinence.  He is a member of various professional organizations including the American Urological Association, and he is the president-elect of the California Urologic Association.      

He is married and is the father of two sons.


Michael J. Hyman, MD

Michael J. Hyman Dr. Hyman received his medical degree from Cornell University, New York and completed his urologic residency at New York and Presbyterian Hospital-Cornell Medical Center in New York City. He completed additional training and expertise in urologic oncology at Memorial Sloan Kettering Cancer Center in New York City. He is certified by the American Board of Urology.

Dr. Hyman’s urologic sub-specialty experience includes infertility, incontinence and other problems with urination, kidney stones, benign prostate enlargement, erectile dysfunction and cancers of the kidney, prostate testicles and bladder. He has developed a major focus in minimally invasive and laparoscopic surgery. Doctor Hyman was a member of the steering committee that resulted in the acquisition of the da Vinci Robot at Providence Saint Joseph Medical Center and heads the urologic division of robotic surgery. He was one of the very first urologists to use the newest generation of the da Vinci Robot-S in the western United States.

Dr. Hyman is a member of the American Urologic Association, the Western Section American Urologic Association, the American Association of Clinical Urologists, and the Los Angeles County Medical Association. He is married with 3 children and enjoys running, cycling, and skiing.


Shahin Chandrasoma, MD

Shahin Chandrasoma, MD

Dr. Chandrasoma received degrees in Biology, Creative Writing, and subsequently Medicine from the University of Southern California. He stayed on to do his urologic residency there, based at the Los Angeles County-USC Medical Center. He completed additional fellowship training at Cedars-Sinai Medical Center, gaining expertise in minimally invasive urology, including laparoscopic and robotic surgery and the endoscopic management of complex kidney stone disease.

Dr. Chandrasoma’s urologic areas of interest include kidney stones; benign prostatic enlargement; voiding dysfunction; erectile dysfunction; and cancers of the prostate, kidney, testicles, and bladder. He has a commitment to the minimally invasive management of these various conditions. He is a member of the American Urologic Association and other professional societies. He has authored chapters on cutting-edge urologic technology in numerous books, and has served as a book reviewer for the Journal of the American Medical Association. He additionally has numerous peer-reviewed journal publications to his name, and has presented on robotic surgery and endourology at various international conferences.

Dr. Chandrasoma is committed to the empowerment of patients in their own medical care, and regards patient education as the basis for the determination of treatment plans. He views effective communication as a vital aspect of the doctor-patient relationship, allowing for informed, educated decision-making. His approach involves adapting to the health care needs of the individual patient, and implementing interventions with minimal invasiveness and maximal results.

Dr. Chandrasoma enjoys cooking, music, film, and screenwriting. He is married with two adorable daughters.

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