William Osler Health System is one of the largest hospital corporations in the Canadian province of Ontario. It serves a geographic area of over 2,400 square kilometres including Brampton and Etobicoke. It provides programs and services to over 900,000 residents of those and surrounding communities. With a health care team of more than 900 physicians, 4,300 staff and 1,000 volunteers, it provides services through two hospital facilities while striving to provide a single standard of care. It has an annual operating budget of nearly $500 million CAD. The hospital is named for Dr.