NPPES file of Aug 9, 2026

Sarah Marie Harnois, MD

Student in an Organized Health Care Education/Training Program · Portland, ME

Sarah Marie Harnois, MD is a student in an organized health care education/training program with a practice address in Portland, Maine, and NPI 1811429632, issued on Mar 30, 2017. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811429632
Name
Sarah Marie Harnois
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-0111
Enumerated
Mar 30, 2017
Record last updated
Mar 30, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201006000117); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2017
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 22 Bramhall St

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

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify Sarah Marie Harnois in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck 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
Find the Maine license search

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46% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

99 Medicare Part D claims for 61 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Sarah Marie Harnois99
  2. Specialty average185

Most prescribed

  1. Amoxicillin-Clavulanate Potass16 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 MIPS final score for 2023 (Medicare payment program): 85.7 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 score74.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Physicians OF Cape Cod HospitalHyannis, MA

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

Sarah Marie Harnois among 857 student in an organized health care education/training program records in Maine

Sarah Marie Harnois, MD is one of 857 student in an organized health care education/training program records with a practice address in Maine. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 5% of them.

  • NPI issued2017 · 5% of these records are older, 92% newer
  • In a Medicare fileYes · 27% of these records are
  • In the CMS Doctors and Clinicians fileYes · 3% of these records are
  • Graduated2017 · median 2020 among the 28 with a school on file
  • Record last updated2017 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

606 student in an organized health care education/training program records list a practice address in Portland

They are 606 of the 6,022 NPPES records with a practice address in Portland, and 857 student in an organized health care education/training program records in Maine.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Nikolas Collins, MDPortland, ME 041021164782868
  2. Lauren Daniels, DOPortland, ME 041021194011627
  3. Gregory Dudzik, M.D.Portland, ME 041021588058978
  4. Kiirsten Finn, DMDPortland, ME 041021043624943
  5. Katherine Garlo, MDPortland, ME 041021447511878
  6. David Grimaldi, M.D.Portland, ME 041021295267391
  7. Mazen Hamoudi, MBCHBPortland, ME 041021265728661
  8. Jennie Hersey, D.C.Portland, ME 041021992933196

Common questions

What is Sarah Marie Harnois, MD's NPI number?

Sarah Marie Harnois, MD's National Provider Identifier (NPI) is 1811429632, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Marie Harnois, MD located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.

How can I verify Sarah Marie Harnois, MD's license?

Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Marie Harnois, MD prescribe under Medicare Part D?

In 2024, Sarah Marie Harnois, MD had 99 Medicare Part D claims for 61 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.

What is Sarah Marie Harnois, MD's MIPS final score?

The 2023 MIPS final score is 85.7 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), 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.