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Dr Ernest Hahn
Family Physician, Emergency Physician
About Dr Hahn
Edit profileDr. Ernest Hahn is a seasoned Family and Emergency Physician practicing at Suite 307, 430 The Boardwalk, Waterloo, ON, where he offers full-spectrum care through UHN Toronto General Hospital’s outreach, combining decades of clinical experience with a commitment to continuity and patient advocacy. Known for his calm demeanor and holistic approach, Dr. Hahn provides care for individuals and families across all life stages. If you’ve been treated by Dr. Hahn, consider leaving a review to help others discover his trusted and comprehensive medical care.
Special interest
Dr. Hahn’s medical interests include preventive medicine, chronic disease management, acute care stabilization, lifestyle counseling, and health promotion. He emphasizes a holistic view of wellness—addressing physical, emotional, and social factors—and is particularly focused on early risk detection, long-term care planning, and supporting patients through complex health journeys with evidence-based strategies.
Education and training
Dr. Hahn earned his MD from McMaster University in 1982 and holds dual certification in Family Medicine and Emergency Medicine from the College of Family Physicians of Canada. He has been licensed for independent practice in Ontario since 1984 and brings over 40 years of experience to his role.
Practice in Medical Centre
Medical Centre
- Medical Centre, Suite 307, 430 The Boardwalk, Waterloo ON N2T 0C1
Frequently Asked Questions
Dr. Hahn treats patients of all ages—from newborns to seniors—providing continuous care that adapts to each stage of life and health need.
Yes, he provides guidance on diet, exercise, sleep, and stress management to help patients improve energy, mood, and long-term health outcomes.
He holds certification in Emergency Medicine and has extensive experience in acute care, including rapid assessment and stabilization of urgent medical conditions.
Absolutely—he offers long-term care for conditions such as diabetes, heart disease, and hypertension, with a focus on prevention and patient education.
No referral is required; patients can contact his clinic at The Boardwalk directly to inquire about availability and services.
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