William Osler Health System , formerly William Osler Health Centre , is a hospital network in Ontario, Canada that serves the city Brampton and the western Toronto district of Etobicoke. The network is named for Canadian physician William Osler, one of the four founding professors of Johns Hopkins Hospital and developer of the concept of medical residency.

It has an annual operating budget of nearly $500 million CAD.

Hospitals and centres

The network consists of two hospitals and one ambulatory care centre:

Former hospitals

Georgetown Hospital was previously part of the William Osler Health Centre, but in 2005 it was transferred to Halton Healthcare. Peel Memorial Hospital ceased operation in 2007 and was later superseded by the Peel Memorial Centre.


Ken White, former Trillium CEO, was appointed "Supervisor", which encompasses the role of both President & CEO as well as Chairman of the Board, by the Ministry of Health and Long-Term Care in 2007 "…to restore public confidence in the health centre". His term ended in April 2010 when Matthew Anderson became CEO. [2]