Maria Mercedes Chang Villacreses, M.D. | Endocrinologist

LiYing Cai, M.D., Ph.D., is an assistant clinical professor, Division of Cardiology, Department of Medicine, at City of Hope, Duarte, California.

Neal Prakash, M.D., Ph.D., is a clinical professor of the Division of Neurology and director of neuro-optical imaging.

Clayton S. Lau, M.D. is a urologic surgeon for City of Hope Duarte and the chief of the Division of Urology and Urologic Oncology. Dr. Lau specializes in minimally invasive approaches to urologic oncology and reconstructive urology. As a urology surgeon, he has performed over 4,000 robotic and laparoscopic procedures. He has also trained numerous surgeons in robotic surgery throughout the U.S. Dr. Lau is known for the close, professional relationship he establishes with his patients. He goes the extra mile to make sure they know everything they need to know about their urologic malignancy treatment options - and that includes getting a second opinion.