NPPES file of Aug 9, 2026

Jonathan I. Warman, MD

Gastroenterology Physician · New York, NY

Jonathan I. Warman, MD is a gastroenterology physician with a practice address in New York, New York, and NPI 1083617534, issued on May 28, 2005. Check the license (New York 211868, 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
1083617534
Name
Jonathan I. Warman
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
211868 NY
Self-reported in NPPES; status is on the state search
Practice location
132 E 76TH St, New York, NY 10021
Phone
(212) 988-2900
Enumerated
May 28, 2005
Record last updated
Apr 22, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(212) 879-4912
Medicare enrollment
Enrolled (PECOS I20040819001093); 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.
Download card Updates feed

Also registered at 132 E 76TH St

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

  1. Sophie Bartsich, MD FACSPlastic Surgery Physician1255580130
  2. Alexander Chun, M.D.Specialist1770592685
  3. Richard Deluca, MDOphthalmology Physician1215999099
  4. Rebecca Kleinerman, M.D.Dermatology Physician1477710796
  5. Vivian Shemesh Kleinerman, D.D.SDentist1427262583
  6. George Yang, M.D.Facial Plastic Surgery Physician1780734301

Verify Jonathan I. Warman 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 211868
    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.

3.7 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,996 Medicare Part D claims for 316 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 35 claims were for opioids.

  1. Jonathan Warman2,996
  2. Specialty average811

Most prescribed

  1. Atorvastatin Calcium184 claims
  2. Levothyroxine Sodium163 claims
  3. Losartan Potassium163 claims
  4. Amlodipine Besylate161 claims
  5. Zolpidem Tartrate128 claims
  6. Rosuvastatin Calcium124 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: $2,322.58

101 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. Jonathan Warman$2,322.58
  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.

Jonathan I. Warman among 1,797 gastroenterology physician records in New York

Jonathan I. Warman, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1995 · median 1999 among the 1,378 with a school on file
  • Record last updated2017 · 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. James Aisenberg, M.D.New York, NY 100211801873518
  2. Peter Baiocco, M.D.New York, NY 100211679539027
  3. Paul Basuk, M.D.New York, NY 100211033194675
  4. David Carr-Locke, MD FRCP FACG MASGENew York, NY 100211417913609
  5. Hans Gerdes, MDNew York, NY 100211437121217
  6. Philip Katz, MDNy, NY 100211124097340
  7. Jay Katzman, MDNew York, NY 100211043284227
  8. Michael Krumholz, M.D.New York, NY 100211700886645

Common questions

What is Jonathan I. Warman, MD's NPI number?

Jonathan I. Warman, MD's National Provider Identifier (NPI) is 1083617534, issued on May 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan I. Warman, MD located?

The NPPES record lists a practice address at 132 E 76TH St, New York, NY, 10021. Phone: (212) 988-2900. Providers update this record themselves, so call before visiting.

How can I verify Jonathan I. Warman, MD's license?

NPPES lists New York license number 211868, 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 Jonathan I. Warman, MD prescribe under Medicare Part D?

In 2024, Jonathan I. Warman, MD had 2,996 Medicare Part D claims for 316 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.