NPPES file of Aug 9, 2026

Sarah Hirner

Emergency Medicine Physician · Portland, ME

Sarah Hirner is an emergency medicine physician with a practice address in Portland, Maine, and NPI 1891437265, issued on Apr 7, 2022. Check the license (Maine MD28091, 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
1891437265
Name
Sarah Hirner
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD28091 ME
33431 NH
Self-reported in NPPES; status is on the state search
Practice location
Maine Medical Center, Portland, ME 04102
Phone
(207) 662-0111
Enumerated
Apr 7, 2022
Record last updated
Dec 5, 2024
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 Maine Medical Center

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

  1. Timothy Brodsky, MDStudent in an Organized Health Care Education/Training Program1518660877
  2. Richard Byrnes, MDStudent in an Organized Health Care Education/Training Program1235871609
  3. Mary Anne Carroll, MDObstetrics & Gynecology Physician1235162116
  4. Zachary ChalonerPhysical Medicine & Rehabilitation Physician1609437888
  5. Allison Grover, MBBSStudent in an Organized Health Care Education/Training Program1942903646
  6. Kailey Kowalski, DOStudent in an Organized Health Care Education/Training Program1326898560

Verify Sarah Hirner 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 MD28091
    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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65% fewer Medicare Part D claims than the average emergency medicine physician in 2024

78 Medicare Part D claims for 63 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Sarah Hirner78
  2. Specialty average226

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.

Sarah Hirner among 466 emergency medicine physician records in Maine

Sarah Hirner is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.

  • NPI issued2022 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2024 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

105 emergency medicine physician records list a practice address in Portland

They are 105 of the 6,022 NPPES records with a practice address in Portland, and 466 emergency medicine physician records in Maine.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michael Baumann, MDPortland, ME 041021205936010
  2. Meredith Bennet, MDPortland, ME 041021598865404
  3. Mark Earnshaw, MDPortland, ME 041021720181431
  4. Megan Fix, MDPortland, ME 041021578554457
  5. Mark Fourre, MDPortland, ME 041021588653018
  6. Samir Haydar, DOPortland, ME 041021598782153
  7. Christine Hein, MDPortland, ME 041021407940901
  8. Jonathan Karol, DOPortland, ME 041021528165420

Common questions

What is Sarah Hirner's NPI number?

Sarah Hirner's National Provider Identifier (NPI) is 1891437265, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Hirner located?

The NPPES record lists a practice address at Maine Medical Center, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.

How can I verify Sarah Hirner's license?

NPPES lists Maine license number MD28091, 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 Sarah Hirner prescribe under Medicare Part D?

In 2024, Sarah Hirner had 78 Medicare Part D claims for 63 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.