NPPES file of Aug 9, 2026

William J. Nash, MD

Orthopaedic Surgery Physician · Portland, ME

William J. Nash, MD is an orthopaedic surgery physician with a practice address in Portland, Maine, and NPI 1902453483, issued on Aug 20, 2019. Check the license (Maine MD22727, 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
1902453483
Name
William J. Nash
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
MD22727 ME
Self-reported in NPPES; status is on the state search
Practice location
117 Auburn St, Portland, ME 04103
Phone
(207) 797-4791
Enumerated
Aug 20, 2019
Record last updated
Aug 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(207) 317-5390
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 117 Auburn St

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

  1. Christopher Bartlett, M.D.Family Medicine Physician1083656961
  2. Chloe Eisenhaur, DMDDentist1386222784
  3. Kristyn Gordon, DMDDentist1205629243
  4. Elise Harvey, FNPFamily Nurse Practitioner1063019636
  5. Kailee Jorgenson, DMDGeneral Practice Dentistry1043879372
  6. Sacha Matthews, M.D.Orthopaedic Surgery Physician1144221433

Verify William J. Nash 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 MD22727
    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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87% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

46 Medicare Part D claims for 30 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.

  1. William Nash46
  2. Specialty average346

Most prescribed

  1. Oxycodone Hcl16 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 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).

Industry payments in 2024: $28.03

2 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Nash$28
  2. Specialty average$23,023

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

William J. Nash among 165 orthopaedic surgery physician records in Maine

William J. Nash, MD is one of 165 orthopaedic surgery physician records with a practice address in Maine. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.

  • NPI issued2019 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Maine

There are 165 orthopaedic surgery physician records in Maine.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Matthew Camuso, MDPortland, ME 041031629182399
  2. Patrick Henry, MDPortland, ME 041031619203619
  3. Sacha Matthews, M.D.Portland, ME 041031144221433
  4. Gregory Pomeroy, M.D.Portland, ME 041031053313395
  5. Sarah Shubert, MDPortland, ME 041031487656724
  6. Joshua Baldino, MDPortland, ME 041021164009304
  7. Stephen Barr, M.D.Portland, ME 041021245228949
  8. Gregory Blaisdell, MDPortland, ME 041021689864233

Common questions

What is William J. Nash, MD's NPI number?

William J. Nash, MD's National Provider Identifier (NPI) is 1902453483, issued on Aug 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William J. Nash, MD located?

The NPPES record lists a practice address at 117 Auburn St, Portland, ME, 04103. Phone: (207) 797-4791. Providers update this record themselves, so call before visiting.

How can I verify William J. Nash, MD's license?

NPPES lists Maine license number MD22727, 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 William J. Nash, MD prescribe under Medicare Part D?

In 2024, William J. Nash, MD had 46 Medicare Part D claims for 30 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is William J. Nash, MD'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.