Registry data as of Aug 27, 2026

John Barnes, MD

Family Medicine Physician · Augusta, ME

John Barnes, MD is a family medicine physician with a practice address in Augusta, Maine, and NPI 1558337808, issued on Feb 27, 2006. Check the license (Maine 013777, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558337808
Name
John Barnes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
013777 ME
Self-reported in NPPES; status is on the state search
Practice location
15 E Chestnut St, Augusta, ME 04330
Phone
(207) 626-1561
Enumerated
Feb 27, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 15 E Chestnut St

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

  1. Andrea Abrell, DOFamily Medicine Physician1558525188
  2. Micheal Akinboro, MDStudent in an Organized Health Care Education/Training Program1720822018
  3. Katharine Anderson, MDStudent in an Organized Health Care Education/Training Program1003254178
  4. Kelly AndersonStudent in an Organized Health Care Education/Training Program1003700709
  5. Harman Bajwa, MDStudent in an Organized Health Care Education/Training Program1700705761
  6. Harjit Basi, MDFamily Medicine Physician1316185408

Verify John Barnes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license 013777
    Check 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
Open 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.

79% fewer Medicare Part D claims than the average family medicine physician in 2024

726 Medicare Part D claims for 224 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. John Barnes726
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium45 claims
  2. Lisinopril41 claims
  3. Metformin Hcl41 claims
  4. Sertraline Hcl32 claims
  5. Amlodipine Besylate23 claims
  6. Hydrochlorothiazide23 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: 79.3 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.

  1. Qualityout of 100 · 30% of the final score73.7
  2. Costout of 100 · 30%60.5
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Mainegeneral Medical CenterWaterville, ME

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

71 family medicine physician records list a Augusta practice address

They are 71 of the 1,740 NPPES records with a Augusta practice address, and 1,168 family medicine physician records in Maine.

Other family medicine physician records in Maine

  1. Jeffrey Aalberg, MDFalmouth, ME1669400222
  2. Elizabeth Abbas, DOFarmington, ME1932588100
  3. Robert Abrams, M.D.Lubec, ME1720067010
  4. Andrea Abrell, DOAugusta, ME1558525188
  5. Katie Adams, MDLincoln, ME1154764975
  6. Sophia AdamsPortland, ME1073961892
  7. Thomas Adams, MDSouthwest Harbor, ME1851331565
  8. Rebecca Adamson, MDLewiston, ME1912313982
  9. Constance Adler, M.D., F.A.A.F.P.Farmington, ME1487689675
  10. Devesh Agarwal, M.D.Lincoln, ME1710116876

Common questions

What is John Barnes, MD's NPI number?

John Barnes, MD's National Provider Identifier (NPI) is 1558337808, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Barnes, MD located?

The NPPES record lists a practice address at 15 E Chestnut St, Augusta, ME, 04330. Phone: (207) 626-1561. Providers update this record themselves, so call before visiting.

How can I verify John Barnes, MD's license?

NPPES lists Maine license number 013777, 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 Barnes, MD prescribe under Medicare Part D?

In 2024, John Barnes, MD had 726 Medicare Part D claims for 224 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

What is John Barnes, MD's Medicare quality score?

The 2023 MIPS final score is 79.3 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.