NPPES file of Aug 9, 2026

Jeffrey Gassman, MD

Orthopaedic Surgery Physician · Brockton, MA

Jeffrey Gassman, MD is an orthopaedic surgery physician with a practice address in Brockton, Massachusetts, and NPI 1093736910, issued on Jul 23, 2006. Check the license (Massachusetts 52181, as entered in NPPES) on the Massachusetts Board of Registration 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
1093736910
Name
Jeffrey Gassman
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
52181 MA
Self-reported in NPPES; status is on the state search
Practice location
110 Liberty St Ste 1A, Brockton, MA 02301
Phone
(508) 565-3055
Enumerated
Jul 23, 2006
Record last updated
Jul 30, 2024
Fax
(508) 894-0757
Medicaid ID
3198014 MA
Medicare enrollment
Enrolled (PECOS I20050317000048); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 1979
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.
Download card Updates feed

Also registered at 110 Liberty St Ste 1A

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

  1. Thomas DevriesPediatric Sports Medicine Physician1518353820
  2. Benjamin Lefevre, LAT, ATCAthletic Trainer1164937256

Verify Jeffrey Gassman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 52181
    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 Massachusetts 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

7% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

322 Medicare Part D claims for 131 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Jeffrey Gassman322
  2. Specialty average346

Most prescribed

  1. Diclofenac Sodium83 claims
  2. Nabumetone56 claims
  3. Meloxicam55 claims
  4. Etodolac18 claims
  5. Celecoxib17 claims
  6. Ibuprofen17 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): 89.4 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 score75.4
  2. Costout of 100 · 30%72.7
  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. Signature Healthcare Medical Group IncBrockton, MA

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

Jeffrey Gassman among 692 orthopaedic surgery physician records in Massachusetts

Jeffrey Gassman, MD is one of 692 orthopaedic surgery physician records with a practice address in Massachusetts. 76% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1979 · median 2004 among the 441 with a school on file
  • Record last updated2024 · 62% 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 Massachusetts 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 Massachusetts

There are 692 orthopaedic surgery physician records in Massachusetts.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Georges Almacari, M.D.Brockton, MA 023011326152216
  2. Marshal Armitage, MDBrockton, MA 023011801950563
  3. George Brown, MDBrockton, MA 023011407845662
  4. Tucker CushingBrockton, MA 023011821626599
  5. Larry Lee, M.D.Brockton, MA 023011497049753
  6. Scott Mandel, MDBrockton, MA 023011205137676
  7. James McGlowan, MDBrockton, MA 023011821079781
  8. Wiliam Donahue, M.D.Duxbury, MA 023321235353798

Common questions

What is Jeffrey Gassman, MD's NPI number?

Jeffrey Gassman, MD's National Provider Identifier (NPI) is 1093736910, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Gassman, MD located?

The NPPES record lists a practice address at 110 Liberty St Ste 1A, Brockton, MA, 02301. Phone: (508) 565-3055. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Gassman, MD's license?

NPPES lists Massachusetts license number 52181, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jeffrey Gassman, MD prescribe under Medicare Part D?

In 2024, Jeffrey Gassman, MD had 322 Medicare Part D claims for 131 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Jeffrey Gassman, MD's MIPS final score?

The 2023 MIPS final score is 89.4 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.