Erzsebet Aniko Mazepa, MD
NPI 1801845516ActiveIndividual· Internal Medicine· West Seneca, NY
Internal Medicine (MD) with Sisters of Charity Hospital of Buffalo New York, practicing in West Seneca, New York. Their prescriptions cost Medicare Part D more than their services did: $31,543 for 344 claims, against $5,398 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $79.60 in all, mostly food and beverage. Lists Sisters of Charity Hospital as a hospital affiliation.
Overview
| NPI | 1801845516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Oct 19, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 1590881 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 100 across 12 procedure codes |
| Paid by Medicare | $5,398 |
Part D prescriptions in 2024
| Prescriptions (claims) | 344 · 475 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $31,543 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Sisters of Charity Hospital of Buffalo New YorkBuffalo, NY · 164 clinicians
Hospital affiliation
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$79.60 · 5 payments from 4 companies
- 2024$450.21 · 14 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $31.52 | 2 |
| Indivior Inc. | $20.36 | 1 |
| Vertex Pharmaceuticals Incorporated | $15.79 | 1 |
| Phathom Pharmaceuticals, Inc. | $11.93 | 1 |
What the 2025 payments were for
- Food and Beverage$79.60 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 internal medicine physicians in West Seneca · All internal medicine physicians in New York