NPPES file of Aug 9, 2026

Gregory Blaisdell, MD

Orthopaedic Surgery Physician · Portland, ME

Gregory Blaisdell, MD is an orthopaedic surgery physician with a practice address in Portland, Maine, and NPI 1689864233, issued on Jul 30, 2007. Check the license (Maine MD20727, 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
1689864233
Name
Gregory Blaisdell
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
MD20727 ME
16000 NH
ME112516 FL
ML20008868 WA
Self-reported in NPPES; status is on the state search
Practice location
335 Brighton Ave, Portland, ME 04102
Phone
(207) 662-8600
Enumerated
Jul 30, 2007
Record last updated
Oct 12, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(207) 662-8668
Medicaid IDs
3086827 NH
1689864233 FL
Medicare enrollment
Enrolled (PECOS I20150929001685); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2007
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 335 Brighton Ave

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

  1. Victoria Ashton, M.D.Internal Medicine Physician1467533117
  2. Meredith Bennet, MDEmergency Medicine Physician1598865404
  3. Jennifer Croteau, PA-CMedical Physician Assistant1952886830
  4. Wendy Dibrigida, OTROccupational Therapist1871796094
  5. Katherine Diconzo, APRN-CNPFamily Nurse Practitioner1700380466
  6. Sheila Foley, PA-CPhysician Assistant1801184858

Verify Gregory Blaisdell 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 MD20727
    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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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: $3,886.49

6 payments; by number, the most common kind was food and beverage; the largest payer was Synthes GmbH. 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. Gregory Blaisdell$3,886
  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.

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).

Gregory Blaisdell among 165 orthopaedic surgery physician records in Maine

Gregory Blaisdell, 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 2007, is newer than 63% of them.

  • NPI issued2007 · 63% of these records are older, 28% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2007 · median 2001 among the 86 with a school on file
  • Record last updated2015 · 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. Stephen Barr, M.D.Portland, ME 041021245228949
  2. Bruce Gomberg, MDPortland, ME 041021205802683
  3. David Greenleaf, M.D.Portland, ME 041021023013257
  4. Peter Guay, D.OPortland, ME 041021558361311
  5. Eric Hoffman, M.D.Portland, ME 041021558362509
  6. Benjamin Huffard, M.D.Portland, ME 041021881707933
  7. James Kuhn, M.D.Portland, ME 041021912995614
  8. Thomas Murray, M.D.Portland, ME 041021174524284

Common questions

What is Gregory Blaisdell, MD's NPI number?

Gregory Blaisdell, MD's National Provider Identifier (NPI) is 1689864233, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Blaisdell, MD located?

The NPPES record lists a practice address at 335 Brighton Ave, Portland, ME, 04102. Phone: (207) 662-8600. Providers update this record themselves, so call before visiting.

How can I verify Gregory Blaisdell, MD's license?

NPPES lists Maine license number MD20727, 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.

What is Gregory Blaisdell, 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.