Katherine Elizabeth Niespodzinski, PA-C
NPI 1538574595ActiveIndividual· Physician Assistant, Medical· Orchard Park, NY
Physician Assistant, Medical (PA-C) with Buffalo Medical Group, P.C., practicing in Orchard Park, New York. Their prescriptions cost Medicare Part D more than their services did: $315,499 for 557 claims, against $4,942 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 6 companies reporting payments in 2025, $229.91 in all, mostly food and beverage.
Overview
| NPI | 1538574595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 27, 2014 |
| Last updated in NPPES | Jun 15, 2022 |
| Certified by provider | Jun 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 017585-1 | NY |
| Physician Assistant | 363A00000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 447 across 16 procedure codes |
| Paid by Medicare | $4,942 |
Part D prescriptions in 2024
| Prescriptions (claims) | 557 · 833 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $315,499 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Buffalo Medical Group, P.C.Williamsville, NY · 236 clinicians
Industry payments (Open Payments)
- 2025$229.91 · 11 payments from 6 companies
- 2024$72.59 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $65.37 | 3 |
| Genzyme Corporation | $59.36 | 3 |
| Glaxosmithkline, LLC. | $41.13 | 2 |
| Astrazeneca Pharmaceuticals LP | $23.92 | 1 |
| Galderma Laboratories, L.P. | $22.19 | 1 |
What the 2025 payments were for
- Food and Beverage$229.91 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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