NPPES file of Aug 9, 2026

Matthew Gregory Warndorf, M.D.

Gastroenterology Physician · Albany, NY

Matthew Gregory Warndorf, M.D. is a gastroenterology physician with a practice address in Albany, New York, and NPI 1255575262, issued on Apr 22, 2009. Check the license (New York 283668-1, 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
1255575262
Name
Matthew Gregory Warndorf
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
283668-1 NY
Self-reported in NPPES; status is on the state search
Practice location
1375 Washington Ave, Albany, NY 12206
Phone
(518) 438-4483
Enumerated
Apr 22, 2009
Record last updated
Dec 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160729001004); 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 1375 Washington Ave

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

  1. Molly Austin, PAPhysician Assistant1104277748
  2. Jill Braverman-Panza, MDInternal Medicine Physician1366458895
  3. John Buhac, MDGastroenterology Physician1235184789
  4. Richard Clift, M.D.Gastroenterology Physician1215969316
  5. Melissa Dalzell, M.D.Internal Medicine Physician1568454767
  6. Georgia Decker, ANPAdult Health Nurse Practitioner1770596405

Verify Matthew Gregory Warndorf 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 283668-1
    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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2.2 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,769 Medicare Part D claims for 418 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Matthew Warndorf1,769
  2. Specialty average811

Most prescribed

  1. Famotidine349 claims
  2. Omeprazole334 claims
  3. Pantoprazole Sodium266 claims
  4. Colestipol Hcl79 claims
  5. Dicyclomine Hcl74 claims
  6. Creon68 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: $20.00

1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; 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. Matthew Warndorf$20.00
  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 2 group practices

  1. Albany Medical CollegeAlbany, NY
  2. Gastrointestinal Care OF Long Island PLLCAlbany, NY

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

Matthew Gregory Warndorf among 1,797 gastroenterology physician records in New York

Matthew Gregory Warndorf, M.D. 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 2009, is newer than 69% of them.

  • NPI issued2009 · 69% of these records are older, 27% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2009 · median 1999 among the 1,378 with a school on file
  • Record last updated2016 · 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. John Buhac, MDAlbany, NY 122061235184789
  2. Joseph Choma, MDAlbany, NY 122061902960560
  3. Richard Clift, M.D.Albany, NY 122061215969316
  4. Carla Fernando-Gilday, M.D.Albany, NY 122061780613893
  5. Vittorio Fiorenza, M.D.Albany, NY 122061730118845
  6. Jeffrey Gerson, MDAlbany, NY 122061235210626
  7. Bora Gumustop, M.D.Albany, NY 122061386673424
  8. William Notis, M.D.Albany, NY 122061538191184

Common questions

What is Matthew Gregory Warndorf, M.D.'s NPI number?

Matthew Gregory Warndorf, M.D.'s National Provider Identifier (NPI) is 1255575262, issued on Apr 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Gregory Warndorf, M.D. located?

The NPPES record lists a practice address at 1375 Washington Ave, Albany, NY, 12206. Phone: (518) 438-4483. Providers update this record themselves, so call before visiting.

How can I verify Matthew Gregory Warndorf, M.D.'s license?

NPPES lists New York license number 283668-1, 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 Matthew Gregory Warndorf, M.D. prescribe under Medicare Part D?

In 2024, Matthew Gregory Warndorf, M.D. had 1,769 Medicare Part D claims for 418 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.