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Dr Warren McIsaac
Family Physician
About Dr McIsaac
Edit profileDr. Warren McIsaac is a Family Physician based in Toronto, ON, affiliated with Mount Sinai Hospital at 600 University Avenue, M5G 1X5. Known for his evidence-informed approach and dedication to improving primary care delivery, Dr. McIsaac combines clinical practice with academic leadership to support patients and advance healthcare systems—if you’ve received care from him, consider leaving a review to help others discover his thoughtful and research-driven approach.
Special interest
Dr. McIsaac’s medical interests include antimicrobial stewardship, diagnostic accuracy in primary care, and optimizing treatment for respiratory tract infections. He has contributed extensively to research on reducing unnecessary antibiotic use and improving clinical decision-making in family medicine settings.
Education and training
Dr. Warren McIsaac earned his MD from the University of Toronto and completed his residency in Family Medicine at Mount Sinai Hospital. He holds a Master’s degree in Clinical Epidemiology and is certified by the College of Family Physicians of Canada, with active registration through the College of Physicians and Surgeons of Ontario.
Practice in Mount Sinai Hospital
Affiliated HospitalMount Sinai Hospital
- 60 Murray Street, Toronto, ON M5T 3L9
- (416) 586-3190
- (416) 586-3175
- https://www.mountsinai.on.ca/
Frequently Asked Questions
He is recognized for his work in antimicrobial stewardship and improving diagnostic precision in primary care, especially for respiratory infections.
Yes, and he emphasizes evidence-based treatment strategies to avoid unnecessary antibiotics and promote faster recovery.
Absolutely—he is actively engaged in academic medicine, mentoring medical students and residents at the University of Toronto and Mount Sinai Hospital.
Yes, he provides comprehensive care for chronic conditions such as hypertension, diabetes, and asthma, with a focus on long-term outcomes.
You can contact Mount Sinai Hospital directly or visit their website to inquire about appointment availability and referral procedures.
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