William M. Wilson, MD MBBS
NPI 1801865860ActiveIndividual· Family Medicine· Whitewater, WI
Family Medicine (MD MBBS) with Mercy Health System Corporation, practicing in Whitewater, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $207,856 for 2,916 claims, against $32,739 paid for services in 2024. Lists Mercy Health System Corp as a hospital affiliation.
Overview
| NPI | 1801865860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD MBBS |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Oct 31, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 35017-20 | WI |
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 - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 518 across 22 procedure codes |
| Paid by Medicare | $32,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,916 · 5,275 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $207,856 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Mercy Health System CorporationJanesville, WI · 753 clinicians
Hospital affiliation
- Mercy Health System CorpJanesville, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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