Erin Christine Wiza, P.A.
NPI 1174886725ActiveIndividual· Physician Assistant, Surgical· Williamsville, NY
Physician Assistant, Surgical (P.A.) with Trinity Medical Wny PC and 1 other group, practicing in Williamsville, New York. 123 Medicare patients in 2024, $46,684 paid; nearly all of their 257 Part D prescriptions were generic (98%). Ferring Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $144.89 in all, mostly food and beverage. Lists Mercy Hospital of Buffalo and 1 other hospital as hospital affiliations.
Overview
| NPI | 1174886725 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | Yes |
| NPI issued | Jun 19, 2012 |
| Last updated in NPPES | Jun 19, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 015532-1 | 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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 123 |
|---|---|
| Services billed | 2,970 across 18 procedure codes |
| Paid by Medicare | $46,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 257 · 303 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $7,484 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Trinity Medical Wny PCBuffalo, NY · 207 clinicians
- Frank J Schlehr M D P CWilliamsville, NY · 3 clinicians
Hospital affiliations
- Mercy Hospital of BuffaloBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$144.89 · 7 payments from 2 companies
- 2024$166.14 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $82.97 | 4 |
| Amgen Inc. | $61.92 | 3 |
What the 2025 payments were for
- Food and Beverage$144.89 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 surgical physician assistants in Williamsville · All surgical physician assistants in New York