NPPES file of Aug 9, 2026

Mark Fenig, M.D., MPH

Emergency Medicine Physician · New York, NY

Mark Fenig, M.D., MPH is an emergency medicine physician with a practice address in New York, New York, and NPI 1114101169, issued on Dec 27, 2007. Check the license (New York 267120, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114101169
Name
Mark Fenig
Credential
M.D., MPH
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
267120 NY
Self-reported in NPPES; status is on the state search
Practice location
1275 York Ave, New York, NY 10065
Phone
(212) 639-2000
Enumerated
Dec 27, 2007
Record last updated
Apr 27, 2026
Medicare enrollment
Enrolled (PECOS I20100921000542); accepts Medicare assignment
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 1275 York Ave

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

  1. Nivedita Aanur, M.D.Internal Medicine Physician1982833471
  2. Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
  3. Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
  4. Gina Abdulahad, PA-CPhysician Assistant1174027064
  5. Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
  6. Lincy Abraham, NPPediatric Nurse Practitioner1295003739

Verify Mark Fenig 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 267120
    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.

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64% fewer Medicare Part D claims than the average emergency medicine physician in 2024

82 Medicare Part D claims for 65 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Mark Fenig82
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Malina Medical Services PCNew York, NY

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

Mark Fenig among 5,025 emergency medicine physician records in New York

Mark Fenig, M.D., MPH is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 28% of them.

  • NPI issued2007 · 28% of these records are older, 65% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2007 · median 2013 among the 3,232 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,075 emergency medicine physician records list a practice address in New York

They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Thomas Barry, MDNew York, NY 100651790753887
  2. Hong Choi, MDNew York, NY 100651902976194
  3. Louis Cooper, M.D., MBANew York, NY 100651114123460
  4. Brenna Farmer, MDNew York, NY 100651477600278
  5. Manish Garg, MDNew York, NY 100651760450852
  6. Kristin Harkin, M.D.New York, NY 100651851314496
  7. Hanson Hsu, MDNew York, NY 100651265530422
  8. Matthew O'Neill, M.D.New York, NY 100651891952792

Common questions

What is Mark Fenig, M.D., MPH's NPI number?

Mark Fenig, M.D., MPH's National Provider Identifier (NPI) is 1114101169, issued on Dec 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Fenig, M.D., MPH located?

The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.

How can I verify Mark Fenig, M.D., MPH's license?

NPPES lists New York license number 267120, 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 Mark Fenig, M.D., MPH prescribe under Medicare Part D?

In 2024, Mark Fenig, M.D., MPH had 82 Medicare Part D claims for 65 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.