Matthew Gregory Warndorf, M.D.
NPI 1255575262ActiveIndividual· Internal Medicine, Gastroenterology· Albany, NY
Internal Medicine, Gastroenterology (M.D.) with Gastrointestinal Care of Long Island PLLC, practicing in Albany, New York. Their prescriptions cost Medicare Part D more than their services did: $681,822 for 1,769 claims, against $179,959 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $180.86 in all, mostly food and beverage. Lists Albany Medical Center Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255575262 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 22, 2009 |
| Last updated in NPPES | Dec 8, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 283668-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY); Practitioner - Gastroenterology (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 6,645 across 55 procedure codes |
| Paid by Medicare | $179,959 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,769 · 3,853 30-day fills |
|---|---|
| Patients | 418 |
| Total drug cost | $681,822 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gastrointestinal Care of Long Island PLLCAlbany, NY · 183 clinicians
Hospital affiliations
- Albany Medical Center HospitalAlbany, NY
- Samaritan Hospital of Troy, New YorkTroy, NY
- St Peter's HospitalAlbany, NY
Industry payments (Open Payments)
- 2025$180.86 · 4 payments from 3 companies
- 2024$20.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $70.26 | 2 |
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
| Boston Scientific Corporation | $42.11 | 1 |
What the 2025 payments were for
- Food and Beverage$92.37 · 2 payments
- Education$68.49 · 1 payment
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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