NPPES file of Aug 9, 2026

Ahmed Gemei, MD

Gastroenterology Physician · New York, NY

Ahmed Gemei, MD is a gastroenterology physician with a practice address in New York, New York, and NPI 1912400789, issued on Mar 17, 2018. Check the license (New York 326974, 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
1912400789
Name
Ahmed Gemei
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
326974 NY
Self-reported in NPPES; status is on the state search
Practice location
1283 York Avenue, New York, NY 10065
Phone
(646) 962-4463
Enumerated
Mar 17, 2018
Record last updated
Aug 6, 2024
Medicare enrollment
Enrolled (PECOS I20240705002732); 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.
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Also registered at 1283 York Avenue

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

  1. Aditya AshokGastroenterology Physician1780173674
  2. Emily Berkower, NPPediatric Nurse Practitioner1609486224
  3. Charlie Buffie, M.D., PH.D.Gastroenterology Physician1255785440
  4. Gerard Caraan, NPAdult Health Nurse Practitioner1871265868
  5. Vicky ChenAcute Care Nurse Practitioner1164010393
  6. Shirley Cheung, WHNPWomen's Health Nurse Practitioner1447025481

Verify Ahmed Gemei 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 326974
    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

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79% fewer Medicare Part D claims than the average gastroenterology physician in 2024

172 Medicare Part D claims for 79 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Ahmed Gemei172
  2. Specialty average811

Most prescribed

  1. Omeprazole58 claims
  2. Esomeprazole Magnesium21 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.

Industry payments in 2024: $707.17

17 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahmed Gemei$707.17
  2. Specialty average$5,015.95

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. North Shore-Lij Medical PCNew Hyde Park, NY

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

Ahmed Gemei among 1,797 gastroenterology physician records in New York

Ahmed Gemei, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.

  • NPI issued2018 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2013 · median 1999 among the 1,378 with a school on file
  • Record last updated2024 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Valerie Antoine-Gustave, MD, MPHNew York, NY 100651750548269
  2. Jacques Beauvais, M.D.New York, NY 100651326433830
  3. Paul Belletrutti, M.D.New York, NY 100651194958363
  4. Delia Calo, M.D.New York, NY 100651578722518
  5. Michelle Cohen, M.D.New York, NY 100651023252145
  6. Pratima Dibba, M.D.New York, NY 100651619395746
  7. Evan Grossman, M.D.New York, NY 100651932367331
  8. Mark Hanscom, MDNew York, NY 100651982095980

Common questions

What is Ahmed Gemei, MD's NPI number?

Ahmed Gemei, MD's National Provider Identifier (NPI) is 1912400789, issued on Mar 17, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Ahmed Gemei, MD located?

The NPPES record lists a practice address at 1283 York Avenue, New York, NY, 10065. Phone: (646) 962-4463. Providers update this record themselves, so call before visiting.

How can I verify Ahmed Gemei, MD's license?

NPPES lists New York license number 326974, 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 Ahmed Gemei, MD prescribe under Medicare Part D?

In 2024, Ahmed Gemei, MD had 172 Medicare Part D claims for 79 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.