Dr. Lok is a licensed Internal Medicine in CN. Medical degree obtained from University of Pennsylvania School of Medicine. Completed residency training at Yale-New Haven. Currently practices at Parkwan Health (Parkwan Health), located at 203-4 West Retail Plaza 1376 Nanjing Xi Rd., Shanghai, CN 200040. Dr. Lok specializes in internal medicine, primary care.. In addition to English, Dr. Lok speaks Mandarin.