John R. Armstrong, MD
Family Medicine Physician · Bangor, ME
John R. Armstrong, MD is a family medicine physician with a practice address in Bangor, Maine, and NPI 1952893406, issued on May 31, 2018. Check the license (Maine MD24735, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- John R. Armstrong
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD24735 ME
EC181066 ME
Self-reported in NPPES; status is on the state search - Practice location
- 895 Union St Ste 12, Bangor, ME 04401
- Phone
- (207) 973-7979
- Enumerated
- May 31, 2018
- Record last updated
- Jun 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (207) 947-9579
- Medicare enrollment
- Enrolled (PECOS I20210513002285); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Also registered at 895 Union St Ste 12
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meredith Adams, MDStudent in an Organized Health Care Education/Training Program1255186771
- Ryan Ahn, MDStudent in an Organized Health Care Education/Training Program1912639998
- Hannah Albert, DOStudent in an Organized Health Care Education/Training Program1033907696
- Faiza Arooj, MDStudent in an Organized Health Care Education/Training Program1699693499
- Elizabeth Baratta, MDFamily Medicine Physician1740718261
- Jordan Beall, PA-CPhysician Assistant1689197469
Verify John R. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD24735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average family medicine physician in 2024
14,858 Medicare Part D claims for 958 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 386 claims were for opioids.
Most prescribed
- Atorvastatin Calcium687 claims
- Levothyroxine Sodium516 claims
- Pantoprazole Sodium480 claims
- Lisinopril465 claims
- Furosemide447 claims
- Gabapentin380 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: $136.47
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Pines Health ServicesCaribou, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. Armstrong among 1,172 family medicine physician records in Maine
John R. Armstrong, MD is one of 1,172 family medicine physician records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2018 · median 2008 among the 668 with a school on file
- Record last updated2021 · 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 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 family medicine physician records list a practice address in Bangor
They are 81 of the 3,103 NPPES records with a practice address in Bangor, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Bangor → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Berry, M.D.Bangor, ME 044011013957141
- Jessica Bloom-Foster, MDBangor, ME 044011396734182
- Kathryn Bourgoin, MDBangor, ME 044011518914233
- Jeffery Bowers, MDBangor, ME 044011013958552
- Eric Brown, M.D.Bangor, ME 044011811937964
- Alexandra Craig, MDBangor, ME 044011063480200
- Tasha Hofmann, DOBangor, ME 044011942260492
- Ann Holland, MDBangor, ME 044011619957966
Common questions
What is John R. Armstrong, MD's NPI number?
John R. Armstrong, MD's National Provider Identifier (NPI) is 1952893406, issued on May 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John R. Armstrong, MD located?
The NPPES record lists a practice address at 895 Union St Ste 12, Bangor, ME, 04401. Phone: (207) 973-7979. Providers update this record themselves, so call before visiting.
How can I verify John R. Armstrong, MD's license?
NPPES lists Maine license number MD24735, 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 R. Armstrong, MD prescribe under Medicare Part D?
In 2024, John R. Armstrong, MD had 14,858 Medicare Part D claims for 958 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.