Our Doctors

Urologists, Pathologists and Staff

After completing medical school, six or more additional years of training are required to become a urologist. All of the physicians in the San Fernando Valley Urological Associates Medical Group are certified by the American Board of Urology and are Fellows of the American College of Surgeons. Each is a member of the American Urologic Association, the Western Section of the American Urologic Association and other state and national societies.

Dr. Eugene Dula

M.D., F.A.C.S.

Dr. Eugene Dula was raised in Los Angeles and pursued his education close to home, graduating with a BS degree with honors from UCLA. He received his medical degree from Mount Sinai School of Medicine in New York and returned to Los Angeles to do his Surgical and Urology training at Kaiser Foundation Hospital, which he completed in 1990.

Dr. Richard Leff

M.D., F.A.C.S.

Dr. Leff was born in New York City and graduated from UCLA and Albert Einstein College of Medicine. He is board certified in Urology, a fellow of the American College of Surgeons and has been practicing urology in Tarzana for the last 26 years. He is on the teaching staff at USC and he is an expert reviewer for the California Medical Board.

Dr. Jennifer Mehdizadeh

M.D., F.A.C.S.

Dr. Mehdizadeh grew up in Los Angeles and graduated cum laude from the University of California at Irvine in 1996. She received her medical doctorate from the University of California at San Francisco where she was Alpha Omega Alpha. Upon graduating she received the National Medical Fellowships Prize for Excellence in Urology and the ...

Dr. Richard Shapiro

M.D., F.A.C.S.

Dr. Richard Shapiro was born in Chicago, Illinois. He is a graduate of the University of Illinois in Champaign-Urbana, were he received his Bachelor of Science degree in Biology with highest honors. He earned his medical degree from Rush University in Chicago, where he was elected to Alpha Omega Alpha, the National Medical Honor Society ...

Dr. Ali Afshar


Dr. Ali Afshar became interested in urology while doing oncology research at Vanderbilt University Department of Urologic Surgery. He finished urology residency at Cedars Sinai in 2016 and a fellowship in advanced endourology and robotic surgery at USC in 2017.

Patti Barton


Patti Barton is our practice administrator with extensive experience which provides stability and continuity to the daily running of our offices. She was previously the practice administrator for Tower Urology at Cedars Sinai.