Barrett Grimnes, PA-C
Physician Assistant · Yarmouth, ME
Barrett Grimnes, PA-C is a physician assistant with a practice address in Yarmouth, Maine, and NPI 1457469447, issued on Aug 29, 2006. Check the license (Maine PA884, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Barrett Grimnes
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA884 ME
Self-reported in NPPES; status is on the state search - Practice location
- 259 Main St, Yarmouth, ME 04096
- Phone
- (207) 846-9013
- Enumerated
- Aug 29, 2006
- Record last updated
- Mar 4, 2026
- Medicaid ID
- 1457469447 ME
- Medicare enrollment
- Enrolled (PECOS I20060418000346); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2005
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 979 in Maine → Look up another NPI →
Also registered at 259 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Althaus, PA-CPhysician Assistant1437733987
- Brianna Arwine, NPPediatric Nurse Practitioner1841094026
- Jacqueline Bates, FNPNurse Practitioner1336100213
- Jonathan Bausman, D.O.Pediatrics Physician1548402332
- Andrea Blais, PTPhysical Therapist1730112350
- Anthony Bustamante, M.D.Family Medicine Physician1306229521
Verify Barrett Grimnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PA884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average physician assistant in 2024
611 Medicare Part D claims for 259 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 49 claims were for opioids.
Most prescribed
- Prednisone27 claims
- Tramadol Hcl23 claims
- Atorvastatin Calcium19 claims
- Levothyroxine Sodium19 claims
- Albuterol Sulfate Hfa18 claims
- Lisinopril17 claims
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.
Industry payments in 2024: $162.72
2 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Intermed PASouth Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barrett Grimnes among 979 physician assistant records in Maine
Barrett Grimnes, PA-C is one of 979 physician assistant records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 73% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2017 among the 648 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 physician assistant records list a practice address in Yarmouth
They are 5 of the 288 NPPES records with a practice address in Yarmouth, and 979 physician assistant records in Maine.
All 979 in Maine → Every provider in Yarmouth → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anna Althaus, PA-CYarmouth, ME 040961437733987
- Emma Chamberlain, PA-CYarmouth, ME 040961376330878
- Jodie Jacobs, PACYarmouth, ME 040961023087251
- Susan Kepes, PA-CYarmouth, ME 040961730381872
- Anita Ancic, PA-CWestbrook, ME 040921538470364
- Kristen Casey, PA-CWestbrook, ME 040921487967162
- Jaime Fairfield, PA-CWestbrook, ME 040921922298470
- Kelsey Fischer, PA-CWestbrook, ME 040921578245130
Common questions
What is Barrett Grimnes, PA-C's NPI number?
Barrett Grimnes, PA-C's National Provider Identifier (NPI) is 1457469447, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barrett Grimnes, PA-C located?
The NPPES record lists a practice address at 259 Main St, Yarmouth, ME, 04096. Phone: (207) 846-9013. Providers update this record themselves, so call before visiting.
How can I verify Barrett Grimnes, PA-C's license?
NPPES lists Maine license number PA884, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Barrett Grimnes, PA-C prescribe under Medicare Part D?
In 2024, Barrett Grimnes, PA-C had 611 Medicare Part D claims for 259 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.