Elizabeth Zoe Gregory
NPI 1801329511ActiveIndividual· Internal Medicine, Gastroenterology· Buffalo, NY
Internal Medicine, Gastroenterology in Buffalo, New York, trained at State University of New York at Buffalo School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $131,027 for 763 claims, against $31,777 paid for services in 2024. Janssen Biotech, Inc. was the largest of 20 companies reporting payments in 2025, $3,458 in all, mostly food and beverage.
Overview
| NPI | 1801329511 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 10, 2017 |
| Last updated in NPPES | May 27, 2025 |
| Certified by provider | May 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 319510-01 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 295 across 26 procedure codes |
| Paid by Medicare | $31,777 |
Part D prescriptions in 2024
| Prescriptions (claims) | 763 · 1,199 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $131,027 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Gastroenterology |
Medical groups
- Roswell Park Cancer InstituteBuffalo, NY · 488 clinicians
- Gastroenterology Associates LLPWilliamsville, NY · 30 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Kenmore Mercy HospitalKenmore, NY
- Mercy Hospital of BuffaloBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$3,458 · 205 payments from 20 companies
- 2024$2,710 · 168 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $1,307 | 92 |
| Abbvie Inc. | $922.77 | 46 |
| Takeda Pharmaceuticals U.S.A., Inc. | $312.45 | 18 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $172.94 | 11 |
| Phathom Pharmaceuticals, Inc. | $106.79 | 8 |
What the 2025 payments were for
- Food and Beverage$3,448 · 204 payments
- Education$10.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 gastroenterologists in Buffalo · All gastroenterologists in New York