Urology and Urologic Oncology Team - Duarte
Kevin G. Chan, M.D.
Urologic Surgeon; Head, Reconstructive Urology
Duarte - Main Campus
Kevin Chan, M.D., is a urologic surgeon specializing in bladder cancer and surgical treatment of male urinary incontinence.
Clayton S. Lau, M.D.
Urologic Surgeon; Pauline & Martin Collins Family Chair in Urology
Duarte - Main Campus
Clayton Lau, M.D. is chief, Division of Urology and Urologic Oncology, and an expert in prostate cancer.

Humberto Villarreal, M.D.
Urologic Surgeon
Duarte - Main Campus; Glendora; Pasadena
Humberto Villarreal, M.D., is a Urologic Surgeon in the Division of Urology and Urologic Oncology and Department of Surgery at City of Hope.
Jonathan Lim Yamzon, M.D.
Urologic Oncology Surgeon
Duarte - Main Campus
Jonathan Yamzon, M.D., is a urologic oncology surgeon and an associate clinical professor of surgery.
Bertram Yuh, M.D., M.I.S.M., M.S.H.C.P.M.
Urologic Surgeon
Duarte - Main Campus; Pasadena
Bertram Yuh, M.D., is a urologic surgeon at City of Hope's Duarte and Pasadena locations.
Ali Zhumkhawala, M.D.
Urologic Oncology Surgeon
Duarte - Main Campus; Glendora
Ali Zhumkhawala, M.D., is a urologic oncology surgeon specializing in the treatment of prostate, testicular, bladder and kidney cancers.