NPPES file of Aug 9, 2026

Ann Marie Defnet, M.D.

Surgery Physician · New York, NY

Ann Marie Defnet, M.D. is a surgery physician with a practice address in New York, New York, and NPI 1215298872, issued on May 30, 2012. Check the license (New York 304743, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1215298872
Name
Ann Marie Defnet
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
304743 NY
Self-reported in NPPES; status is on the state search
Practice location
1060 5TH Ave # 1B, New York, NY 10128
Phone
(212) 988-8269
Enumerated
May 30, 2012
Record last updated
Nov 11, 2025
Fax
(914) 259-8313
Medicare enrollment
Enrolled (PECOS I20200930003714); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1060 5TH Ave # 1B

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

  1. Mina Ibrahim, M.D.Surgery Physician1497289342
  2. Matthew Jung, DOSurgery Physician1861992513
  3. Mirhee KimSurgery Physician1003436650

Verify Ann Marie Defnet in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 304743
    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 New York 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.

91% fewer Medicare Part D claims than the average surgery physician in 2024

13 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Ann Defnet13
  2. Specialty average147

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): 91.3 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 score74.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.7
  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: $1,160.08

7 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ann Defnet$1,160.08
  2. Specialty average$3,513.80

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

Bills Medicare through 3 group practices

  1. North Shore-Lij Medical PCNew Hyde Park, NY
  2. Related Surgical Specialties, PCNew York, NY
  3. Surgical Specialists OF Greater NY LLPOyster Bay, NY

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

Surgery Physician providers in New York

There are 2,053 surgery physician records in New York.

Other surgery physician records in New York

  1. Ayman Abadeer, MDBrooklyn, NY1619268869
  2. Ahmad Abdelaal, MDBronx, NY1255880738
  3. Hossam Abdou, M.D.New York, NY1093247975
  4. Alexander Abdurakhmanov, MDBrooklyn, NY1538556196
  5. Deborah Abeles, M.D.Garden City, NY1063528925
  6. Sara Abou Azar, M.D.Buffalo, NY1689103541
  7. Georges Abou-Eid, M.D.Roslyn, NY1518017425
  8. Ziad Abouezzi, MDPoughkeepsie, NY1831178284
  9. Mohamad Abouzeid, M.D.Port Jefferson, NY1144464421
  10. Frederick Achildiev, MDBay Shore, NY1740467737

Common questions

What is Ann Marie Defnet, M.D.'s NPI number?

Ann Marie Defnet, M.D.'s National Provider Identifier (NPI) is 1215298872, issued on May 30, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ann Marie Defnet, M.D. located?

The NPPES record lists a practice address at 1060 5TH Ave # 1B, New York, NY, 10128. Phone: (212) 988-8269. Providers update this record themselves, so call before visiting.

How can I verify Ann Marie Defnet, M.D.'s license?

NPPES lists New York license number 304743, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ann Marie Defnet, M.D. prescribe under Medicare Part D?

In 2024, Ann Marie Defnet, M.D. had 13 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Ann Marie Defnet, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.3 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.