NPPES file of Aug 9, 2026

Sheelagh Prosser, MD

Family Medicine Physician · Presque Isle, ME

Sheelagh Prosser, MD is a family medicine physician with a practice address in Presque Isle, Maine, and NPI 1851700371, issued on Aug 8, 2014. Check the license (Maine MD14454, 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
1851700371
Name
Sheelagh Prosser
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD14454 ME
Self-reported in NPPES; status is on the state search
Practice location
66 Spruce St, Presque Isle, ME 04769
Phone
(207) 769-2025
Enumerated
Aug 8, 2014
Record last updated
Feb 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(207) 764-0629
Medicare enrollment
Enrolled (PECOS I20141218001346); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 66 Spruce St

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

  1. Mary Allen, FNPFamily Nurse Practitioner1225293335
  2. Holly Arato, M.D.Family Medicine Physician1619945607
  3. Mary Gallant, FNPNurse Practitioner1205805363

Verify Sheelagh Prosser 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 MD14454
    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.

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

9,734 Medicare Part D claims for 620 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 391 claims were for opioids.

  1. Sheelagh Prosser9,734
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium458 claims
  2. Levothyroxine Sodium377 claims
  3. Omeprazole289 claims
  4. Lisinopril273 claims
  5. Amlodipine Besylate257 claims
  6. Potassium Chloride242 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: $33.71

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.

  1. Sheelagh Prosser$33.71
  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.

Bills Medicare through one group practice

  1. Pines Health ServicesCaribou, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sheelagh Prosser among 1,172 family medicine physician records in Maine

Sheelagh Prosser, 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1985 · median 2008 among the 668 with a school on file
  • Record last updated2015 · 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).

18 family medicine physician records list a practice address in Presque Isle

They are 18 of the 439 NPPES records with a practice address in Presque Isle, and 1,172 family medicine physician records in Maine.

The 8 family medicine physician records with the nearest ZIP codes

  1. Bruce Alexander, MDPresque Isle, ME 047691477584795
  2. Holly Arato, M.D.Presque Isle, ME 047691619945607
  3. Elizabeth Cote Estrada, M.D.Presque Isle, ME 047691942437439
  4. Hans Duvefelt, M.D.Presque Isle, ME 047691538120605
  5. Daniel Fowler, MDPresque Isle, ME 047691154346682
  6. Roy Frieband, D.O.Presque Isle, ME 047691063415123
  7. Lani Graham, MDPresque Isle, ME 047691538359294
  8. Kristin Guerrette, DOPresque Isle, ME 047691942643770

Common questions

What is Sheelagh Prosser, MD's NPI number?

Sheelagh Prosser, MD's National Provider Identifier (NPI) is 1851700371, issued on Aug 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sheelagh Prosser, MD located?

The NPPES record lists a practice address at 66 Spruce St, Presque Isle, ME, 04769. Phone: (207) 769-2025. Providers update this record themselves, so call before visiting.

How can I verify Sheelagh Prosser, MD's license?

NPPES lists Maine license number MD14454, 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 Sheelagh Prosser, MD prescribe under Medicare Part D?

In 2024, Sheelagh Prosser, MD had 9,734 Medicare Part D claims for 620 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.