Hospital  >  Departments  >  Surgery  >  Surgeons

Department of Surgery

General Surgery

Avery Nathens photo
Dr. Avery Nathens, MD, MPH, PhD

Senior scientist

Sunnybrook Health Sciences Centre
2075 Bayview Ave., Room D574
Toronto, ON
M4N 3M5

Phone: 416-480-4053
Fax:  416-480-4925


  • MD, 1990, Queen’s University, Canada
  • PhD, 1996, Institute of Medical Science, University of Toronto, Canada
  • MPH, 2000, School of Public Health, University of Washington, U.S.

Appointments and Affiliations:

  • Senior scientist, Evaluative Clinical Sciences, Tory Trauma Program (director), Sunnybrook Research Institute
  • Surgeon-in-chief and trauma surgeon, Sunnybrook Health Sciences Centre
  • Professor, department of surgery, U of T
  • Adjunct scientist, Institute for Clinical Evaluative Sciences
  • Institute of Medical Science, U of T
  • Institute of Health Policy, Management, and Evaluation, U of T
  • Director, American College of Surgeons Trauma Quality Improvement Program

Research Foci:

  • Health services
  • Injury and trauma systems
  • Emergency surgical care
  • Performance improvement
  • Patient safety

Research Summary:

Dr. Nathens’ research interests include trauma systems and emergency surgical care with a particular focus on access and quality. He uses a variety of methodological approaches, including cohort studies and qualitative analyses. His work is designed to be policy-oriented and actionable through changes in structure or processes of care at the institution or system level.

Selected Publications:

See current publications list at PubMed.

  1. Nathens AB, Jurkovich GJ, Cummings P, Rivara FP, Maier RV. The effect of organized systems of trauma care on motor vehicle crash mortality. JAMA. 2000;283(15):1990–4.
  2. Mackenzie EJ, Rivara FP, Jurkovich GJ, Nathens AB, Frey KP, Egleston BL, Salkever DS, Scharfstein DO. A national evaluation of the effect of trauma-center care on mortality. N Engl J Med. 2006;354(4):366–78.
  3. Newgard C, Fildes J, Wu L, Hemmila MR, Burd RS, Neal M, Mann NC, Shafi S, Clark DE, Goble S, Nathens AB. Methodology and analytic rationale for the American College of Surgeons Trauma Quality 
Improvement Program (TQIP). J Am Coll Surg. 2013 Jan 21;216(1):147–57.
  4. Gomez D, Haas B, Doumouras AG, Zagorski B, Ray J, Rubenfeld G, McLellan BA, Boyes DM and Nathens AB. A population-based analysis of the discrepancy between potential and realized access to trauma center care. Ann Surg. 2013 Jan;257(1):160–5.
  5. de Mestral C, Laupacis A, Rotstein OD, Hoch JS, Haas B, Gomez D, Zagorski B, Nathens AB. Early cholecystectomy for acute cholecystitis: a population-based retrospective cohort study of variation in practice. CMAJ Open. 2013;1:E62–E67.

Related News and Stories:

Related Links: