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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Marie Guay is Good. Dr. Guay has been reviewed by 2 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Specialties & Research

Dr. Marie Guay, DO is board certified in Psychiatry.

  • She has special expertise in 7 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Guay graduated from University of New England, Biddeford.


Dr. Guay has 4 hospital affiliations:

  • Maine Medical Center 
  • York Hospital 

> > > > Dr. Marie Guay, DO

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Additional Information
Dr. Marie A Guay DO is a female Psychiatrist, has 25 years of experience and practices in Psychiatry.
Where does Dr. Marie A. Guay practice?
Dr. Marie Guay has 4 office locations.
Dr. Marie Guay practices Psychiatry near Sanford, ME.
Additional practice locations include: North Berwick, ME and Springvale, ME.
See Sanford Psychiatrists.