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Stephen W. Hwang

MPH (epidemiology), Harvard School of Public Health; MD, Johns Hopkins University; BA (biochemistry), Harvard University


Scientist, Centre for Research on Inner City Health, St. Michael's Hospital

Scientist in the Li Ka Shing Knowledge Institute of St. Michael's Hospital

Director, Division of General Internal Medicine, University of Toronto

Professor, Department of Medicine, University of Toronto

Professor, Dalla Lana School of Public Health, University of Toronto

Professor, Institute of Health Policy, Management and Evaluation, University of Toronto

Staff Physician, Division of General Internal Medicine, St. Michael's Hospital

Clinical Specialty

General Internal Medicine

Research Interests

Homelessness, housing as a social determinant of health, health care for homeless persons, marginalized populations, inner city health, urban health, socioeconomic status, access to care, community-based primary health care, health services research, probiotics for the prevention of Clostridium difficile infection

Research Activities

My research focuses on improving the health of people who are homeless or vulnerably housed and deepening our understanding of housing as a social determinant of health. My current research projects include a study of health care utilization in a sample of 1,191 homeless men, women, and families in Toronto; an observational cohort study of health and housing transitions among 1,200 homeless and vulnerably housed adults in Toronto, Ottawa, and Vancouver; and the Mental Health Commission of Canada’s “At Home” study, a randomized controlled trial of rent subsidies and mental health supports for individuals who are homeless and have mental health issues.

Selected Research

Link to Pub Med

Other Activities

  1. Secretary-Treasurer, Canadian Society of Internal Medicine
  2. Research Coordinating Committee, National Health Care for the Homeless Council
  3. National Advisory Board, Canadian Homelessness Research Network
  4. Member, International Society for Urban Health
  5. Member, Society of General Internal Medicine and Association of Chiefs and Leaders of General Internal Medicine

Educational Activities

My primary appointment is in the Department of Medicine at the University of Toronto, with cross-appointments in the Dalla Lana School of Public Health and the Institute of Health Policy, Management and Evaluation. I supervise graduate students, postgraduate medical trainees, and medical students who are interested in conducting innovative research on the health status of vulnerable inner city populations.


E-mail: HwangS@smh.ca
Phone: 416-864-5991
Fax: 416-864-5558