Registry data as of Aug 27, 2026

Brian Irwin, D.O.

Family Medicine Physician · Tamworth, NH

Brian Irwin, D.O. is a family medicine physician with a practice address in Tamworth, New Hampshire, and NPI 1427070630, issued on Jul 24, 2006. Check the license (New Hampshire 12236, as entered in NPPES) on the New Hampshire Board of 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
1427070630
Name
Brian Irwin
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
12236 NH
Self-reported in NPPES; status is on the state search
Practice location
577 White Mountain Highway, Tamworth, NH 03886
Phone
(603) 323-3311
Enumerated
Jul 24, 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 577 White Mountain Highway

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

  1. James Cubeddu, PA-CMedical Physician Assistant1720052509

Verify Brian Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 12236
    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 New Hampshire 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.

2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,078 Medicare Part D claims for 639 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 341 claims were for opioids.

  1. Brian Irwin10,078
  2. Specialty average3,519

Most prescribed

  1. Lisinopril589 claims
  2. Atorvastatin Calcium450 claims
  3. Rosuvastatin Calcium417 claims
  4. Amlodipine Besylate304 claims
  5. Levothyroxine Sodium289 claims
  6. Pantoprazole Sodium264 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: 57 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 score51.9
  2. Costout of 100 · 30%44.8
  3. Promoting interoperabilityout of 100 · 25%
  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).

Industry payments in 2024: $76.68

4 payments, mostly food and beverage; the largest payer was Abbvie Inc.. 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.

  1. Brian Irwin$76.68
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Huggins HospitalWolfeboro, NH · Critical Access Hospitals4 of 5 stars

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.

1 family medicine physician records list a Tamworth practice address

They are 1 of the 10 NPPES records with a Tamworth practice address, and 810 family medicine physician records in New Hampshire.

Other family medicine physician records in New Hampshire

  1. Lauren Abbott, APRNDerry, NH1093137820
  2. Peter Abdalla, DOConcord, NH1013279504
  3. Ruba Abdullah, MDConcord, NH1336871524
  4. Iryna Aberkorn, MDLebanon, NH1780846071
  5. Bruce Abramowitz, DOWindham, NH1801276167
  6. Francis Adams, MDLebanon, NH1578581898
  7. Glenn Adams, DOGroveton, NH1952387714
  8. Karin Adelman, M.D.Nashua, NH1982674354
  9. Sangita Agarwal, MDDover, NH1912953316
  10. Andres Aguilera-Fish, MDLittleton, NH1578183992

Common questions

What is Brian Irwin, D.O.'s NPI number?

Brian Irwin, D.O.'s National Provider Identifier (NPI) is 1427070630, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian Irwin, D.O. located?

The NPPES record lists a practice address at 577 White Mountain Highway, Tamworth, NH, 03886. Phone: (603) 323-3311. Providers update this record themselves, so call before visiting.

How can I verify Brian Irwin, D.O.'s license?

NPPES lists New Hampshire license number 12236, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brian Irwin, D.O. prescribe under Medicare Part D?

In 2024, Brian Irwin, D.O. had 10,078 Medicare Part D claims for 639 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

What is Brian Irwin, D.O.'s Medicare quality score?

The 2023 MIPS final score is 57 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.