William John Mainwaring, PA-C
NPI 1710537709ActiveIndividual· Physician Assistant· Canton, OH
Physician Assistant (PA-C) with Canton Aultman Emergency Physicians Inc, practicing in Canton, Ohio. Mostly services rather than prescriptions: Medicare paid $2,214 for 33 patients in 2024, with only 44 Part D claims. Vertex Pharmaceuticals Incorporated reported $18.81 in payments in 2025, mostly food and beverage. Lists Aultman Hospital as a hospital affiliation.
Overview
| NPI | 1710537709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 12, 2019 |
| Last updated in NPPES | Sep 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 50.006143RX | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 36 across 13 procedure codes |
| Paid by Medicare | $2,214 |
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 44 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $194.59 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Canton Aultman Emergency Physicians IncCanton, OH · 25 clinicians
Hospital affiliation
- Aultman HospitalCanton, OH
Industry payments (Open Payments)
- 2025$18.81 · 1 payment from 1 company
- 2024$18.19 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $18.81 | 1 |
What the 2025 payments were for
- Food and Beverage$18.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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