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About Roger Cadieux, MD

Roger Cadieux MD is a geriatric psychiatry professional located in Hummelstown, Pennsylvania. With a medical career of almost four decades, Roger Cadieux, MD is now a consultant for the Magellan Health Corporation who administers the Pharmaceutical Assistance Program for the Elderly (PACE) in Pennsylvania. PACE helps qualifying older adults afford their medical prescriptions.

The former associate director of the Sleep Research and Treatment Center at Pennsylvania State University, Dr. Cadieux has contributed to many publications on the subject of sleeping disorders, such as insomnia, sleep apnea, and narcolepsy. He has also contributed to publications focused on psychological disorders in the elderly, such as geriatric depression, dementia, and hypochondria.

Dr. Cadieux has been included in the “Marquis Who’s Who in America,” as well as the “Marquis Who’s Who in American Medicine” each year for over two decades. Additionally, he volunteers as a “guardian” for the non-profit Honor Flight Network, which allows veterans of American wars to fly to Washington, DC to visit and reflect upon war memorials.

Work experience

Nov 2013Present

Medical Doctor

Magellan Corporation


Jul 1981Jul 1983

Geriatric Psychiatry Fellowhsip

Pennsylvania State University College of Medicine
Jul 1977Jul 1981

Psychiatry residency

Pennsylvania State University College of Medicine
Sep 1973May 1977


LSU Shreveport

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