NPPES file of Aug 9, 2026

Leslie Robin Gass, DO

Neuromusculoskeletal Medicine & OMM Physician · Portland, ME

Leslie Robin Gass, DO is a neuromusculoskeletal medicine & omm physician with a practice address in Portland, Maine, and NPI 1679668453, issued on Oct 4, 2006. Check the license (Maine 1804, as entered in NPPES) 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679668453
Name
Leslie Robin Gass
Credential
DO
Primary taxonomy
Neuromusculoskeletal Medicine & OMM Physician 204D00000X
License number
1804 ME
Self-reported in NPPES; status is on the state search
Practice location
535 Ocean Ave, Portland, ME 04103
Phone
(207) 773-7330
Enumerated
Oct 4, 2006
Record last updated
Apr 24, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(207) 773-7340
Medicare enrollment
Enrolled (PECOS I20051219000088); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2001
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 535 Ocean Ave

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

  1. Christina AbbruzzeseMental Health Counselor1366914616
  2. Thomas Allan, LCSWClinical Social Worker1568688257
  3. Lauren Beckwith, LMSW-CCClinical Social Worker1659261006
  4. Sara CameronAdvanced Practice Midwife1548687981
  5. Karen DeyessoMassage Therapist1629337910
  6. Chelsea FyrbergNutrition Education Nutritionist1336546738

Verify Leslie Robin Gass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license 1804
    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
Find the Maine license search

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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).

Leslie Robin Gass among 53 neuromusculoskeletal medicine & omm physician records in Maine

Leslie Robin Gass, DO is one of 53 neuromusculoskeletal medicine & omm physician records with a practice address in Maine. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 25% of them.

  • NPI issued2006 · 25% of these records are older, 30% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2001 · median 2001 among the 29 with a school on file
  • Record last updated2012 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204D00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neuromusculoskeletal Medicine & OMM Physician providers in Maine

There are 53 neuromusculoskeletal medicine & omm physician records in Maine.

The 8 neuromusculoskeletal medicine & omm physician records with the nearest ZIP codes

  1. Shawn Higgins, D.O.Portland, ME 041031306953450
  2. Adi Philpott, DOPortland, ME 041031043257561
  3. Karen Roberts, DOPortland, ME 041031366467508
  4. Alicia Smilowicz, DOPortland, ME 041031871539247
  5. James Findlay, D.O.Portland, ME 041021760482533
  6. Stephen Goldbas, D.O.Portland, ME 041021003892605
  7. Donald Hankinson, DOPortland, ME 041021285627257
  8. Jay Roop, D.O.Portland, ME 041021154655876

Common questions

What is Leslie Robin Gass, DO's NPI number?

Leslie Robin Gass, DO's National Provider Identifier (NPI) is 1679668453, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leslie Robin Gass, DO located?

The NPPES record lists a practice address at 535 Ocean Ave, Portland, ME, 04103. Phone: (207) 773-7330. Providers update this record themselves, so call before visiting.

How can I verify Leslie Robin Gass, DO's license?

NPPES lists Maine license number 1804, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

What is Leslie Robin Gass, 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.