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Dr Breffni Hannon
Family Physician, Palliative Care Physician
About Dr Hannon
Edit profileDr. Breffni Hannon is a dual-certified Family and Palliative Care Physician practicing at the Princess Margaret Cancer Centre, located at 610 University Avenue, Toronto, ON. As the Rose Family Chair in Palliative Medicine and Supportive Care, she leads with empathy and clinical excellence, offering specialized care for patients facing serious illness. Her work integrates research, education, and frontline medicine. If you've experienced her care, consider leaving a review to help others discover her thoughtful and evidence-based approach.
Special interest
Dr. Hannon’s clinical interests include early integration of palliative care for patients with advanced cancer, symptom screening, caregiver support interventions, and psychosocial oncology. She serves as the site lead for palliative care at Princess Margaret and is the research lead for both the Division of Palliative Medicine in the Department of Medicine and the Department of Family and Community Medicine at the University of Toronto.
Education and training
MBBS, MCFP
Dr. Hannon graduated from University College Cork in Ireland in 2002 and completed subspecialty training in palliative medicine through the Royal College of Physicians of Ireland. She later pursued a clinical research fellowship at Princess Margaret Cancer Centre and is licensed by the College of Physicians and Surgeons of Ontario (CPSO #96634).
Practice in Princess Margaret Cancer Centre
Princess Margaret Cancer Centre
- 610 University Avenue, Toronto, ON M5G 2M9
Frequently Asked Questions
She emphasizes early integration of palliative care, focusing on symptom management and emotional support from the onset of serious illness, not just end-of-life stages.
Yes, she actively researches and implements caregiver support interventions to improve outcomes for both patients and their families.
Absolutely—she holds a leadership role in research and education at the University of Toronto, contributing to the advancement of palliative care through clinical studies and mentorship.
While her primary focus is oncology-related palliative care, she also supports patients with other serious illnesses requiring symptom management and supportive care.
You can reach the Department of Supportive Care at Princess Margaret Cancer Centre by calling (416) 946-2000 ext. 2508 to inquire about referrals or appointments.
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