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Dr. E Lyle Gross

GRC Health Founder

MD, FRCPC, FRACP Physical Medicine and Rehabilitation Specialist


Known throughout the world as an expert in chronic pain, Dr. Lyle Gross has published and taught extensively. His Independent Medical Exams provide expertise to lawyers and insurance companies. His legacy continues through GRC Health, a physician-owned IME practice, and in his various publications, recordings and lectures. Dr Gross has lead the industry with virtual video medical examinations since 2006.


Dr. Gross is an Edmonton, Alberta, Canada native and Specialist in Physical Medicine and Rehabilitation. While working at Mayo Clinic (Physical Medicine and Rehabilitation) from 1984 – 1986, he developed the Impairment Assessment Unit and the Physical Medicine and Rehabilitation Arthritis Consultation Service. He has published works on impairment,

disability, chronic pain, complex illness and work-related issues and on the methodology behind assessment of damages and rehabilitation needs of those suffering losses.  Following his tenure at Mayo, Dr. Gross returned to Edmonton, Alberta at the end of 1986 where he began a Medicolegal practice.


Dr. Gross became Medical Director of the Alberta Workers’ Compensation Board (1986 – 1990).  Dr. Gross is versed in the determination of impairment, disability and chronic pain conditions that follow injury or illness.  He has completed approximately 18,000 independent medical examinations in a career spanning most provinces in Canada, the State of Minnesota and Washington, the Netherlands, Germany and Russia. In Canada, he is a qualified medical expert in the Provinces of British Columbia, Alberta, Saskatchewan, Ontario, and Nova Scotia.

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