Dr. Wai Cheung Warren Choy is a California state licensed medical doctor, specializing in Internal Medicine. Graduated Magna Cum Laude from UC Davis School of Medicine, completed residency training in Kaiser Permanente, Dr. Choy's clinical interests include internal medicine and primary care. Dr. Choy currently is working at Kaiser Permanente, located in 2238 Geary Blvd 6th Floor San Francisco CA 94115 Dr. Choy's clinic interests include internal medicine and primary care. Please call +1-415-833-2239 to contact. Access cdoc101.com on a desktop computer to view more details. | |||