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Dr Lionel De Chabris
Family Physician, Emergency Physician
About Dr De Chabris
Edit profileDr. Lionel Marks De Chabris is a dual-certified Family and Emergency Physician based in Sudbury, ON, with decades of frontline experience in acute care and chronic pain management; practicing at The Hospital for Sick Children and leading one of Northern Ontario’s few Chronic Pain Clinics, he combines clinical precision with compassionate care—if you’ve been treated by Dr. De Chabris, your review could help others discover his exceptional dedication to patient well-being.
Special interest
Dr. De Chabris’s medical interests span emergency medicine, chronic pain management, addiction medicine, and cannabinoid therapeutics; he has served as Chief Medical Officer at ZYUS Life Sciences, founded a regional pain clinic, and actively mentors physicians in pain and addiction care through the Ontario College of Family Physicians.
Education and training
Dr. Lionel De Chabris earned his MD from McGill University Faculty of Medicine and Health Sciences in 1988, received certification in Family Medicine and Emergency Medicine from the College of Family Physicians of Canada, and holds fellowships and diplomate status with the American Academy of Pain Management, Canadian Academy of Pain Management, and American Board of Addiction Medicine.
Practice in Sudbury, ON
- 105-368 Riverside Dr, Sudbury ON P3E 1H5
Practice in Sudbury, ON
- 680 Kirkwood Dr., Sudbury ON P3E 1X3
Frequently Asked Questions
He manages complex chronic pain conditions including neuropathic pain, musculoskeletal disorders, and fibromyalgia using multidisciplinary approaches and evidence-based therapies.
Yes, he provides comprehensive addiction care, including medication-assisted treatment, counseling coordination, and cannabinoid-based interventions for substance use disorders.
He delivers rapid assessment and stabilization for trauma, cardiac emergencies, and acute medical conditions in high-pressure ER settings, ensuring timely and safe interventions.
Yes, he works as an Independent Medical Examiner and is affiliated with the Canadian Society of Medical Evaluators, providing expert assessments for third-party reviews.
Absolutely—he is a recognized expert in cannabinoid medicine and integrates it into pain and addiction management when clinically appropriate.
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