Gregory Griffin
NPI 1356129266 · Physician Assistant · Porter, ME
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Griffin is a Physician Assistant provider in Porter, ME (NPI 1356129266).
Provider details
- NPI number
- 1356129266
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-09-20
- Last updated
- 2024-07-18
- Certified
- 2024-07-11
Frequently asked questions
- What is Gregory Griffin's NPI number?
- Gregory Griffin's National Provider Identifier (NPI) is 1356129266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Griffin's specialty?
- Gregory Griffin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Griffin located?
- Gregory Griffin's practice location on file with NPPES is 70 Main St, Porter, ME 04068-3527.
- What is Gregory Griffin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Griffin is (207) 625-8126.
- Does Gregory Griffin accept Medicare?
- Gregory Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Griffin's NPI active?
- Yes — Gregory Griffin's NPI (1356129266) is active in the NPPES registry as of the last update on 2024-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.