There were 320 physicians as well as approximately 600 volunteers that contributed their services and fund raising efforts.

In early 2006, the Brampton campus of the William Osler Health Centre was renamed back to Peel Memorial Hospital, as residents continued to use the old name, a cause of much confusion.

According to the William Osler's website, "On Sunday October 28, 2007, health care programs and services at Peel Memorial Hospital were discontinued until redevelopment plans are developed and implemented.

It serves as a long-term health facility for those with chronic illness to make beds available, and alleviate pressure from the nearby Brampton Civic Hospital.

It also features an urgent care facility which is designed to help in relieving, and reducing wait times at the main hospital (Brampton Civic).