Dr. James Douketis is Staff Physician in General Internal Medicine and Clinical Thromboembolism at St. Joseph’s Healthcare Hamilton. He is Professor of Medicine and holds the David Braley-Nancy Gordon Chair in Thromboembolic Disease at McMaster University.
He received his M.D. and did his residency in internal medicine at the University of Toronto followed by a thrombosis fellowship at McMaster University.
His research interests include perioperative anticoagulant management and related guideline development (2008, 2012, 2022 ACCP Guidelines); and the prevention, treatment and prognosis of patients with venous thromboembolism.
Dr. Douketis is a Fellow of the Canadian Academy of Health Science, past-President of Thrombosis Canada (2013-21), Editor-in-Chief of the Canadian Journal of General Internal Medicine, Deputy Editor of Annals of Internal Medicine Journal Club, and Associate Editor of Thrombosis and Haemostasis. He has 460 peer-reviewed publications, with an h-index=112, i-index=359, and ~120K citations (Dec 2025).
Jim lives in Hamilton, Ontario with his wife, Dr. Margaret Nowaczyk, a clinical geneticist, has two sons, Jack and Luke, and is a cellist with the Burlington Symphony Orchestra.