Notice as of September 4, 2026 – MGH's Stavro Emergency Department is no longer experiencing flooding due to this week's severe rain storm. The ED remains open and operational for all those seeking care.
The entrance on Sammon Avenue between Coxwell Avenue and Knight Street is temporarily closed during construction. Patients and visitors should use the main entrance at 825 Coxwell Avenue to enter and exit the hospital. View our campus map.
Dr. Powis obtained his MD from the University of Ottawa in 2000. He completed his Internal Medicine and Infectious Diseases clinical training and a Master’s degree in Clinical Epidemiology from the University of Toronto.
Dr. Powis is the Medical Director of Infection Prevention and Control (IPAC) at MGH and is the Medical Lead for the East Toronto Health Partners (ETHP) our Ontario Health Team. His research interests include Hepatitis C, quality improvement in IPAC/antimicrobial utilization and clinical trials.
He has several outpatient clinics at MGH including a general Infectious Disease clinic as well as specialty clinics in viral hepatitis and HIV.
* Please follow up with your healthcare provider to be considered for an e-referral
