NPPES file of Aug 9, 2026

Gregory Griffin

Physician Assistant · Porter, ME

Gregory Griffin is a physician assistant with a practice address in Porter, Maine, and NPI 1356129266, issued on Sep 20, 2023. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356129266
Name
Gregory Griffin
Primary taxonomy
Physician Assistant 363A00000X
Practice location
70 Main St, Porter, ME 04068
Phone
(207) 625-8126
Enumerated
Sep 20, 2023
Record last updated
Jul 18, 2024
Medicare enrollment
Enrolled (PECOS I20240801001402); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 70 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacob Akers, D.D.S.General Practice Dentistry1023343019
  2. Daniel Bates, DOChild & Adolescent Psychiatry Physician1639197932
  3. Nicole Childers, RDHDental Hygienist1669845962
  4. Samantha Deveau, PMHNPPsychiatric/Mental Health Nurse Practitioner1003597253
  5. Donna Dodge, RDRegistered Dietitian1689101057
  6. Jennifer Drouin, FNPFamily Nurse Practitioner1114482916

Verify Gregory Griffin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

92% fewer Medicare Part D claims than the average physician assistant in 2024

70 Medicare Part D claims for 47 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Gregory Griffin70
  2. Specialty average830

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Sacopee Valley Health CenterPorter, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

4 physician assistant records list a practice address in Porter

They are 4 of the 36 NPPES records with a practice address in Porter, and 979 physician assistant records in Maine.

Other physician assistant records in Maine

  1. Yusuf AbdiOakland, ME1700253671
  2. Haley Acker, PA-CPortland, ME1972167377
  3. Mary Adorisio, PA-CBiddeford, ME1356078802
  4. Bobak Ahouraie, PASanford, ME1245000819
  5. Steven Aiello, PA-CWindham, ME1235601329
  6. Allison AinleyPortland, ME1821837469
  7. Alexandra Ainsworth, PA-CBangor, ME1194045153
  8. Charles Albert, PA-CFort Kent, ME1780666990
  9. Olivia Alesio, PA-CPortland, ME1134014616
  10. Jumana AlhanfyPittsfield, ME1598544058

Common questions

What is Gregory Griffin's NPI number?

Gregory Griffin's National Provider Identifier (NPI) is 1356129266, issued on Sep 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Griffin located?

The NPPES record lists a practice address at 70 Main St, Porter, ME, 04068. Phone: (207) 625-8126. Providers update this record themselves, so call before visiting.

How can I verify Gregory Griffin's license?

Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Griffin prescribe under Medicare Part D?

In 2024, Gregory Griffin had 70 Medicare Part D claims for 47 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.