907 Lorne Street,
Sudbury, ON, P3C 4R6
Phone: 705-670-2000 
Fax: 705-670-2006
Toll Free: 1-844-722-2274

Dr. Lionel...

Dr. Lionel Marks de Chabris, known to his patients as simply "Dr. Lionel", is a pain and addictions specialist working in Northern Ontario.


For a complete bio, click here.

Services provided by Dr. Lionel:


Pain Management and Addiction Medicine Consultations to the Medical Community

in North Eastern Ontario.

Treatment and long-term management

of patients suffering from

Drug and Alcohol Addictions and 

patients suffering from Chronic Non-Cancer Pain.

Click on one of these links for more information:

Pain Managment

Addiction Medicine


Teaching and mentoring physicians in the management of chronic pain and the management of drug and alcohol addiction.

Speaking to both Medical and Non-Medical audiences about Chronic Pain, Medical Managment of Pain, Safe Use of Opioids, Substance Use Disorders and Medical Cannabis.

For a list of talks and presentations, 

please click on this link.


Delivering high quality, unbiased Independent Medical Examinations and Catastrophic Assessments to the Insurance and Legal Industries.

Providing practice assessments and inspections for the College of Physicians and Surgeons of Ontario.


Available for presentations to and consultations with businesses and start-ups interested in credible and reliable data informing the burgeoning medical cannabis and recreational marijuana space.

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