NPPES file of Aug 9, 2026

John Karbassi, M.D.

Orthopaedic Surgery Physician · Peabody, MA

John Karbassi, M.D. is an orthopaedic surgery physician with a practice address in Peabody, Massachusetts, and NPI 1376740456, issued on Jul 2, 2007. Check the license (Massachusetts 257449, 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
1376740456
Name
John Karbassi
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
257449 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Orthopedics Dr, Peabody, MA 01960
Phone
(978) 818-6350
Enumerated
Jul 2, 2007
Record last updated
Nov 5, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140207000942); accepts Medicare assignment
Medical or professional school
Eastern Virginia Medical School, 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 1 Orthopedics Dr

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

  1. Katia Bejakian, PA-CPhysician Assistant1861232829
  2. Kevin Bernard, M.D.Physical Medicine & Rehabilitation Physician1902196926
  3. Michelle Bouley, PA-CSurgical Physician Assistant1871910364
  4. Sarah Cosme-Torabi, PTOrthopedic Physical Therapist1417963513
  5. Melissa D'Alessandro, PA-CPhysician Assistant1710287990
  6. Lauren DellacrocePhysical Therapist1093579864

Verify John Karbassi 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 257449
    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.

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64% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

125 Medicare Part D claims for 72 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. 20 claims were for opioids.

  1. John Karbassi125
  2. Specialty average346

Most prescribed

  1. Meloxicam40 claims
  2. Prednisone24 claims
  3. Oxycodone Hcl12 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): 98.3 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.0
  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).

Industry payments in 2024: $146.05

1 payment: food and beverage; the largest payer was Paragon 28, Inc. 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. John Karbassi$146
  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. Sports Medicine North Orthopaedic Surgery, Inc.Peabody, MA

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

John Karbassi among 692 orthopaedic surgery physician records in Massachusetts

John Karbassi, M.D. 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 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 42% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2007 · median 2004 among the 441 with a school on file
  • Record last updated2014 · 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).

17 orthopaedic surgery physician records list a practice address in Peabody

They are 17 of the 1,313 NPPES records with a practice address in Peabody, and 692 orthopaedic surgery physician records in Massachusetts.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Jason Archibald, M.D.Peabody, MA 019601174662407
  2. Andrew Ayers, MDPeabody, MA 019601891767885
  3. Ira Evans, M.D.Peabody, MA 019601821076522
  4. Margaret Lobo, M.D.Peabody, MA 019601427248566
  5. Steven Mattheos, M.D.Peabody, MA 019601619901386
  6. William Murzic, M.D.Peabody, MA 019601265471353
  7. Hugh O'Flynn, M.D.Peabody, MA 019601437258738
  8. Todd Obrien, MDPeabody, MA 019601992733927

Common questions

What is John Karbassi, M.D.'s NPI number?

John Karbassi, M.D.'s National Provider Identifier (NPI) is 1376740456, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Karbassi, M.D. located?

The NPPES record lists a practice address at 1 Orthopedics Dr, Peabody, MA, 01960. Phone: (978) 818-6350. Providers update this record themselves, so call before visiting.

How can I verify John Karbassi, M.D.'s license?

NPPES lists Massachusetts license number 257449, 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 John Karbassi, M.D. prescribe under Medicare Part D?

In 2024, John Karbassi, M.D. had 125 Medicare Part D claims for 72 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is John Karbassi, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.3 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.