John Baker, MD
Family Medicine Physician · Newport, ME
John Baker, MD is a family medicine physician with a practice address in Newport, Maine, and NPI 1780651455, issued on Mar 2, 2006. Check the license (Maine 009831, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Baker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 009831 ME
Self-reported in NPPES; status is on the state search - Practice location
- 26 Main St, Newport, ME 04953
- Phone
- (207) 368-5747
- Enumerated
- Mar 2, 2006
- Entity
- Type 1 · individual
Also registered at 26 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Armatis, MDInternal Medicine Physician1790752632
- Gretchen Gehrke, PA-CMedical Physician Assistant1821065129
- April Hertlein, APRN-CNPNurse Practitioner1801249826
- Ben Hieronymus, ARNPCFamily Nurse Practitioner1154398089
- Kristin MorganNurse Practitioner1053176255
- Karl Sitterly, M.D.Family Medicine Physician1891986782
Verify John Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 009831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.4 times the Medicare Part D claims of the average family medicine physician in 2024
8,279 Medicare Part D claims for 586 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 207 claims were for opioids.
Most prescribed
- Atorvastatin Calcium533 claims
- Losartan Potassium411 claims
- Levothyroxine Sodium383 claims
- Omeprazole329 claims
- Metoprolol Succinate316 claims
- Lisinopril309 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 Medicare quality score for 2023: 100 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).
Industry payments in 2024: $13.59
1 payment, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 53,013 providers of this specialty with any payment received $861.30 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.
3 family medicine physician records list a Newport practice address
They are 3 of the 72 NPPES records with a Newport practice address, and 1,168 family medicine physician records in Maine.
All 3 in Newport → All 1,168 in Maine → Every provider in Newport →
Other family medicine physician records in Maine
- Jeffrey Aalberg, MDFalmouth, ME1669400222
- Elizabeth Abbas, DOFarmington, ME1932588100
- Robert Abrams, M.D.Lubec, ME1720067010
- Andrea Abrell, DOAugusta, ME1558525188
- Katie Adams, MDLincoln, ME1154764975
- Sophia AdamsPortland, ME1073961892
- Thomas Adams, MDSouthwest Harbor, ME1851331565
- Rebecca Adamson, MDLewiston, ME1912313982
- Constance Adler, M.D., F.A.A.F.P.Farmington, ME1487689675
- Devesh Agarwal, M.D.Lincoln, ME1710116876
Common questions
What is John Baker, MD's NPI number?
John Baker, MD's National Provider Identifier (NPI) is 1780651455, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Baker, MD located?
The NPPES record lists a practice address at 26 Main St, Newport, ME, 04953. Phone: (207) 368-5747. Providers update this record themselves, so call before visiting.
How can I verify John Baker, MD's license?
NPPES lists Maine license number 009831, 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 John Baker, MD prescribe under Medicare Part D?
In 2024, John Baker, MD had 8,279 Medicare Part D claims for 586 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is John Baker, MD's Medicare quality score?
The 2023 MIPS final score is 100 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.