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Peter Guay, D.O
NPI 1558361311 · Orthopaedic Surgery Physician · Portland, ME
Peter Guay, D.O is a Orthopaedic Surgery Physician provider in Portland, ME (NPI 1558361311).
Provider details
- NPI number
- 1558361311
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 1172 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
33 Sewall St
Portland, ME 04102-2603
Phone: (207) 828-2100
Fax: (207) 828-2190
Street-level locationGet directions
Mailing address
Po Box 1260
Portland, ME 04104-1260
Registry dates
- Enumerated
- 2005-07-22
- Last updated
- 2009-08-26
Frequently asked questions
- What is Peter Guay's NPI number?
- Peter Guay's National Provider Identifier (NPI) is 1558361311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Guay's specialty?
- Peter Guay is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Guay located?
- Peter Guay's practice location on file with NPPES is 33 Sewall St, Portland, ME 04102-2603.
- What is Peter Guay's phone number?
- The practice phone number listed in the NPPES registry for Peter Guay is (207) 828-2100.
- Is Peter Guay's NPI active?
- Yes — Peter Guay's NPI (1558361311) is active in the NPPES registry as of the last update on 2009-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.