Maria T. Rizzo, RPA-C
NPI 1689825929ActiveIndividual· Physician Assistant· Amherst, NY
Physician Assistant (RPA-C) with University Neurology, Inc, practicing in Amherst, New York. Their prescriptions cost Medicare Part D more than their services did: $203,053 for 1,652 claims, against $9,967 paid for services in 2024. Merz Pharmaceuticals, LLC was the largest of 7 companies reporting payments in 2025, $210.20 in all, mostly food and beverage. Lists Kaleida Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1689825929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RPA-C |
| Sole proprietor | No |
| NPI issued | Oct 6, 2008 |
| Last updated in NPPES | May 29, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 012640-1 | 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 | 38 |
|---|---|
| Services billed | 256 across 9 procedure codes |
| Paid by Medicare | $9,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,652 · 2,457 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $203,053 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- University Neurology, IncBuffalo, NY · 36 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$210.20 · 9 payments from 7 companies
- 2024$1,303 · 63 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merz Pharmaceuticals, LLC | $65.64 | 2 |
| Pfizer Inc. | $34.80 | 2 |
| Eisai Inc. | $28.27 | 1 |
| Lundbeck LLC | $22.43 | 1 |
| Biogen, Inc. | $22.08 | 1 |
What the 2025 payments were for
- Food and Beverage$210.20 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 124 physician assistants in Amherst · All physician assistants in New York