Thomas Frohwein, M.D.
Internal Medicine Physician · Farmington, ME
Thomas Frohwein, M.D. is an internal medicine physician with a practice address in Farmington, Maine, and NPI 1275941148, issued on Jul 23, 2014. Check the license (Maine MD28018, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas Frohwein
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD28018 ME
D94141 MD
70063 MT
Self-reported in NPPES; status is on the state search - Practice location
- 111 Franklin Health Cmns, Farmington, ME 04938
- Phone
- (207) 779-2456
- Enumerated
- Jul 23, 2014
- Record last updated
- Jul 10, 2024
- Fax
- (207) 779-2496
- Medicare enrollment
- Enrolled (PECOS I20240703003659); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 111 Franklin Health Cmns
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynette Abbott, PTPhysical Therapist1174113393
- Jonathan Abell, PT, DPTPhysical Therapist1649831421
- Ranjiv Advani, MDEmergency Medicine Physician1396716742
- Taylor AntanavichSpeech-Language Pathologist1457911216
- Tamara Bannerman, BSCPTPhysical Therapist1356517049
- Michael Bellino, MDEmergency Medicine Physician1780670950
Verify Thomas Frohwein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD28018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
154 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Metoprolol Succinate15 claims
- Spironolactone15 claims
- Digoxin11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Thomas Frohwein among 597 internal medicine physician records in Maine
Thomas Frohwein, M.D. is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 77% of them.
- NPI issued2014 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2005 among the 369 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Farmington
They are 10 of the 349 NPPES records with a practice address in Farmington, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Farmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Cordner, D.O.Farmington, ME 049381659384089
- Kimberly Gooch, MDFarmington, ME 049381659365641
- Stephen Goss, D.O.Farmington, ME 049381215968151
- Stacy Hershfeld, D.O.Farmington, ME 049381467483214
- David Hyde, D.O.Farmington, ME 049381144288341
- Robert O'Reilly, D.O.Farmington, ME 049381497780605
- Roderick Prior, M.D.Farmington, ME 049381184681215
- Nelson Record, M.D.Farmington, ME 049381629173281
Common questions
What is Thomas Frohwein, M.D.'s NPI number?
Thomas Frohwein, M.D.'s National Provider Identifier (NPI) is 1275941148, issued on Jul 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Frohwein, M.D. located?
The NPPES record lists a practice address at 111 Franklin Health Cmns, Farmington, ME, 04938. Phone: (207) 779-2456. Providers update this record themselves, so call before visiting.
How can I verify Thomas Frohwein, M.D.'s license?
NPPES lists Maine license number MD28018, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Frohwein, M.D. prescribe under Medicare Part D?
In 2024, Thomas Frohwein, M.D. had 154 Medicare Part D claims for 36 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Thomas Frohwein, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.