Dr. Ngai is a licensed Internal Medicine in ON. Graduated in 1995. Medical degree obtained from University of Toronto Faculty of Medicine. Completed residency training at McMaster University. Currently practices at William Osler Health System (William Osler Health System), located at 101 Humber College Blvd, Etobicoke, ON M9V 1R8. Dr. Ngai specializes in internal medicine and primary care.. In addition to English, Dr. Ngai speaks Mandarin and Cantonese.