Dr. Lionel Marks de Chabris

Headshot of Lionel Marks de Chabris MD

Dr. Marks de Chabris is an Ontario physician with a practice focus in Pain Medicine and Addiction Medicine. He graduated from McGill University Medical School in 1988 and was certified by the College of Family Physicians of Canada in Family Medicine and Emergency Medicine in 1991. In 2000 he obtained American board certification in Emergency Medicine. Starting in 2006 Dr. Marks de Chabris went on to do further training in Addiction Medicine and then Pain Medicine, sponsored by the College of Family Physicians of Canada and the Canadian Medical Association. In 2009 he focused his practice in Pain Medicine and Addiction Medicine.

Dr. Marks de Chabris is a Diplomate of the American Academy of Pain Management and the Canadian Academy of Pain Management. He is also a Diplomate of the American Board of Addiction Medicine and holds a certificate of added competence in Addiction Medicine from the College of Family Physicians of Canada. He is an active Mentor in Addiction Medicine and Pain Medicine for the Ontario College of Family Physicians, a Fellow of the College of Family Physicians of Canada, a Clinical Supervisor and Medical Assessor for the College of Physicians and Surgeons of Ontario, an Independent Medical Examiner and an Assistant Professor at the Northern Ontario School of Medicine.

Dr. Marks de Chabris lectures widely to both non-medical and professional audiences on the subjects of pain treatment, safe opioid management, and medical cannabis. He has spoken at multiple gatherings and conferences over the past year (see list at www.DoctorLionel.com).