Maria Ruth Reger, PA
NPI 1043798507ActiveIndividual· Physician Assistant, Medical· Williamsville, NY
Physician Assistant, Medical (PA) with Buffalo Medical Group, P.C., practicing in Williamsville, New York. Their prescriptions cost Medicare Part D more than their services did: $618,759 for 1,264 claims, against $30,670 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $670.69 in all, mostly food and beverage.
Overview
| NPI | 1043798507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 6, 2018 |
| Last updated in NPPES | Dec 8, 2021 |
| Certified by provider | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 022441 | 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 | 202 |
|---|---|
| Services billed | 866 across 30 procedure codes |
| Paid by Medicare | $30,670 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,264 · 1,491 30-day fills |
|---|---|
| Patients | 426 |
| Total drug cost | $618,759 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Buffalo Medical Group, P.C.Williamsville, NY · 236 clinicians
Industry payments (Open Payments)
- 2025$670.69 · 37 payments from 9 companies
- 2024$350.28 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $280.90 | 22 |
| Genzyme Corporation | $103.87 | 5 |
| Sun Pharmaceutical Industries Inc. | $99.99 | 1 |
| Amgen Inc. | $47.48 | 3 |
| Ucb, Inc. | $43.04 | 1 |
What the 2025 payments were for
- Food and Beverage$570.70 · 36 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 physician assistants in Williamsville · All physician assistants in New York