Margaret A. Mawhirter, PA-C
NPI 1346870128ActiveIndividual· Physician Assistant· Marysville, OH
Physician Assistant (PA-C) with Union County Physician Corporation, practicing in Marysville, Ohio. 61 Medicare patients in 2024, $5,257 paid; nearly all of their 192 Part D prescriptions were generic (91%). Pacira Pharmaceuticals Incorporated reported $27.09 in payments in 2025, mostly food and beverage. Lists Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1346870128 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 22, 2020 |
| Last updated in NPPES | Jan 28, 2026 |
| Certified by provider | Jan 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 50.006309RX | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 85 across 29 procedure codes |
| Paid by Medicare | $5,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 235 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $6,266 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Union County Physician CorporationMarysville, OH · 105 clinicians
Hospital affiliation
- Memorial HospitalMarysville, OH
Industry payments (Open Payments)
- 2025$27.09 · 1 payment from 1 company
- 2024$36.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $27.09 | 1 |
What the 2025 payments were for
- Food and Beverage$27.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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