Marie Guay, DO
NPI 1306921648 · Psychiatry Physician · Sanford, ME
Marie Guay, DO is a Psychiatry Physician provider in Sanford, ME (NPI 1306921648).
Provider details
- NPI number
- 1306921648
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- DO1343 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2021-03-28
- Certified
- 2021-03-28
Frequently asked questions
- What is Marie Guay's NPI number?
- Marie Guay's National Provider Identifier (NPI) is 1306921648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Guay's specialty?
- Marie Guay is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Guay located?
- Marie Guay's practice location on file with NPPES is 312 Cottage St Ste B, Sanford, ME 04073-1817.
- What is Marie Guay's phone number?
- The practice phone number listed in the NPPES registry for Marie Guay is (207) 324-5477.
- Is Marie Guay's NPI active?
- Yes — Marie Guay's NPI (1306921648) is active in the NPPES registry as of the last update on 2021-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.