Dr. Leong is a licensed Internal Medicine in CA. Medical degree obtained from Touro University College of Osteopathic Medicine. Completed residency training at Kaiser Permanente. Currently practices at Kaiser Permanente (Kaiser Permanente), located at 1600 Owens St, San Francisco, CA 94158. Dr. Leong specializes in internal medicine and primary care.. In addition to English, Dr. Leong speaks Cantonese.