NPPES file of Aug 9, 2026

Nicholas Denis Dupuis, DO

Hospitalist Physician · Portland, ME

Nicholas Denis Dupuis, DO is a hospitalist physician with a practice address in Portland, Maine, and NPI 1104238567, issued on May 20, 2014. Check the license (Maine DO2690, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104238567
Name
Nicholas Denis Dupuis
Credential
DO
Primary taxonomy
Hospitalist Physician 208M00000X
License number
DO2690 ME
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-0111
Enumerated
May 20, 2014
Record last updated
Mar 27, 2025
Medicare enrollment
Enrolled (PECOS I20170623002180); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2014
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 Nicholas Denis Dupuis 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 DO2690
    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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93% fewer Medicare Part D claims than the average hospitalist physician in 2024

34 Medicare Part D claims for 19 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Nicholas Dupuis34
  2. Specialty average521

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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score86.1
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

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

Nicholas Denis Dupuis among 245 hospitalist physician records in Maine

Nicholas Denis Dupuis, DO is one of 245 hospitalist physician records with a practice address in Maine. 90% 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 56% of them.

  • NPI issued2014 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2014 · median 2012 among the 206 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 hospitalist physician records list a practice address in Portland

They are 81 of the 6,022 NPPES records with a practice address in Portland, and 245 hospitalist physician records in Maine.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Lisa Almeder, MDPortland, ME 041021033238332
  2. Jeffrey Balke, MDPortland, ME 041021285694109
  3. Lane Beatty, MDPortland, ME 041021467533166
  4. Thomas Charrette, MDPortland, ME 041021679565626
  5. Anne Dean, MDPortland, ME 041021801932884
  6. Kathryn Diamond-Falk, MDPortland, ME 041021306045034
  7. Marc Jacquet, MDPortland, ME 041021740212364
  8. Tara Lagu, MDPortland, ME 041021306943980

Common questions

What is Nicholas Denis Dupuis, DO's NPI number?

Nicholas Denis Dupuis, DO's National Provider Identifier (NPI) is 1104238567, issued on May 20, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Denis Dupuis, DO 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 Nicholas Denis Dupuis, DO's license?

NPPES lists Maine license number DO2690, 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 Nicholas Denis Dupuis, DO prescribe under Medicare Part D?

In 2024, Nicholas Denis Dupuis, DO had 34 Medicare Part D claims for 19 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Nicholas Denis Dupuis, DO's MIPS final score?

The 2023 MIPS final score is 98.1 of 100. 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.