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Dr Mark D’Souza
Family Physician, Emergency Physician
About Dr D'Souza
Edit profileDr. Mark D’Souza is a dual-certified Family and Emergency Physician practicing at 27 Roncesvalles Avenue, Toronto, ON, where he provides comprehensive care through the Dr. Mark J.J. D’Souza Medicine Professional Corporation—if you’ve received care from Dr. D’Souza, consider leaving a review to help others discover his calm, thorough, and continuity-driven approach to both urgent and long-term health needs.
Special interest
Dr. D’Souza’s clinical interests include acute and chronic illness management, emergency medicine, preventative care, and inflammatory conditions such as polymyalgia rheumatica (PMR); he is particularly focused on co-managing complex cases with specialists, supporting patients through corticosteroid tapering, and educating individuals on symptom monitoring and relapse prevention.
Education and training
Dr. Mark D’Souza earned his MD from Queen’s University in 2009 and holds certifications in Family Medicine and Emergency Medicine from the College of Family Physicians of Canada; he is licensed by the College of Physicians and Surgeons of Ontario and brings over 16 years of clinical experience to his practice.
Practice in Toronto, ON
- 27 Roncesvalles Ave, Unit 303, Toronto ON M6R 3B2
Practice in Markham, ON
- 107-7155 Woodbine Ave, Markham ON L3R 1A3
Frequently Asked Questions
Yes, he provides care in both emergency and family medicine settings, offering treatment for acute conditions as well as ongoing health management across all age groups.
Absolutely—he manages PMR through diagnosis, corticosteroid monitoring, and co-management with rheumatologists for complex or relapsing cases.
Yes, he offers consultations in both English and French, making his practice accessible to a broader patient population.
Yes, referrals are not required—patients can contact his clinic directly to inquire about availability and schedule an appointment.
He emphasizes patient empowerment through clear communication, health education, and long-term relationship building, ensuring continuity and trust in every stage of care.
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