Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Marie A Guay, DO

Individual provider Psychiatry Physician · NPI 1306921648

Dr. Marie A Guay, DO is a Psychiatry Physician in Sanford, Maine. Practices as a sole proprietor. Licensed in Maine.

Licensed in
ME
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

312 Cottage St Ste B
Sanford, ME 04073-1817
Phone: (207) 324-5477
Fax: (207) 324-5466
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 1343 (ME)
Psychiatry Physician Taxonomy 2084P0800X · Licence DO1343 (ME)

Record details

NPI number1306921648
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 26, 2006
Last updated in NPPESMarch 28, 2021
Certification dateMarch 28, 2021
Mailing address312 Cottage St Ste B, Sanford, ME 04073-1817

Other providers in Sanford