NPPES file of Aug 9, 2026

Heidi M. Larson, MD

Family Medicine Physician · Auburn, ME

Heidi M. Larson, MD is a family medicine physician with a practice address in Auburn, Maine, and NPI 1780799437, issued on Aug 21, 2006. Check the license (Maine MD14388, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780799437
Name
Heidi M. Larson
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD14388 ME
Self-reported in NPPES; status is on the state search
Practice location
2 Great Falls Plz Ste 21, Auburn, ME 04210
Phone
(207) 330-3950
Enumerated
Aug 21, 2006
Record last updated
Jun 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(207) 330-3955
Medicaid ID
3 5150000 ME
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 2 Great Falls Plz Ste 21

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

  1. Lisa Boucher, P.A.-CMedical Physician Assistant1730285982
  2. Amy Dudley, DOFamily Medicine Physician1417147331
  3. Kelly Johnson, NPFamily Nurse Practitioner1144539107
  4. Dallas Marquis, PA-CMedical Physician Assistant1013296722
  5. James Ozon, M.D.Internal Medicine Physician1487181046
  6. Edwin Tan, MDInternal Medicine Physician1629074240

Verify Heidi M. Larson 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 MD14388
    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

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Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs

17,398 Medicare Part D claims for 13,450 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 95% of claims. 23 claims were for opioids.

  1. Heidi Larson17,398
  2. Specialty average3,544

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix6,018 claims
  2. Arexvy4,569 claims
  3. Abrysvo2,945 claims
  4. Boostrix Tdap2,266 claims
  5. Twinrix386 claims
  6. Adacel Tdap147 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: $100.00

1 payment: consulting fee; the largest payer was Cardinal Health 110 LLC. 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.

  1. Heidi Larson$100.00
  2. Specialty average$902.55

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

Heidi M. Larson among 1,172 family medicine physician records in Maine

Heidi M. Larson, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 52% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2020 · 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).

19 family medicine physician records list a practice address in Auburn

They are 19 of the 549 NPPES records with a practice address in Auburn, and 1,172 family medicine physician records in Maine.

The 8 family medicine physician records with the nearest ZIP codes

  1. Paul Balzer, MDAuburn, ME 042101295719391
  2. Amy Dudley, DOAuburn, ME 042101417147331
  3. Adam Duquette, DOAuburn, ME 042101679884522
  4. Peter Elias, MDAuburn, ME 042101548257603
  5. Margo Goodman, DOAuburn, ME 042101912268764
  6. Joel Kase, DOAuburn, ME 042101356373997
  7. Margaret Matthews, MDAuburn, ME 042101902961295
  8. James Ostrander, DOAuburn, ME 042101841224466

Common questions

What is Heidi M. Larson, MD's NPI number?

Heidi M. Larson, MD's National Provider Identifier (NPI) is 1780799437, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Heidi M. Larson, MD located?

The NPPES record lists a practice address at 2 Great Falls Plz Ste 21, Auburn, ME, 04210. Phone: (207) 330-3950. Providers update this record themselves, so call before visiting.

How can I verify Heidi M. Larson, MD's license?

NPPES lists Maine license number MD14388, 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 Heidi M. Larson, MD prescribe under Medicare Part D?

In 2024, Heidi M. Larson, MD had 17,398 Medicare Part D claims for 13,450 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.