Dr. Sum is a licensed Family Medicine in ON. Graduated in 2009. Medical degree obtained from University of Toronto Faculty of Medicine. Completed residency training at University of Toronto. Currently practices at Michael Garron Hospital (Michael Garron Hospital), located at 825 Coxwell Ave, Toronto, ON M4C 3E7. Dr. Sum specializes in family medicine, primary care.. In addition to English, Dr. Sum speaks Cantonese.