Dr. Shum is a licensed Internal Medicine in CA. Medical degree obtained from UC Davis School of Medicine. Completed residency training at Los Angeles County of USC, CA. Currently practices at Kaiser Permanente (Kaiser Permanente), located at 10800 Magnolia Ave, Riverside, CA 92505. Dr. Shum specializes in internal medicine and primary care.. In addition to English, Dr. Shum speaks Mandarin and Cantonese.