Dr. Mark is a licensed Internal Medicine in ON. Graduated in 1990. Medical degree obtained from University of Toronto Faculty of Medicine. Completed residency training at University of Toronto. Currently practices at Port Union Medical Centre (Port Union Medical Centre), located at 5550 Lawrence Ave E, Scarborough , ON M1C 3B2. Dr. Mark specializes in internal medicine, primary care.. In addition to English, Dr. Mark speaks Cantonese.