William H. Annesley Jr., MD
NPI 1407899552ActiveIndividual· Urology· Wauwatosa, WI
Urology (MD) with Ascension Medical Group-Fox Valley Wisconsin, Inc and 2 other groups, practicing in Wauwatosa, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $128,001 for 1,736 claims, against $51,109 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $35.30 in all, mostly food and beverage. Lists Ascension Ne Wisconsin - St Elizabeth Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1407899552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Aug 11, 2021 |
| Certified by provider | Aug 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 21597 | WI |
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 - Urology (MN); Practitioner - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 665 across 53 procedure codes |
| Paid by Medicare | $51,109 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,736 · 4,253 30-day fills |
|---|---|
| Patients | 405 |
| Total drug cost | $128,001 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Urology |
Medical groups
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
- Mankato Clinic LtdMankato, MN · 242 clinicians
- Beloit Health System IncBeloit, WI · 135 clinicians
Hospital affiliations
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
- Beloit Health SystemBeloit, WI
Industry payments (Open Payments)
- 2025$35.30 · 2 payments from 2 companies
- 2024$162.10 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $20.93 | 1 |
| Coloplast Corp | $14.37 | 1 |
What the 2025 payments were for
- Food and Beverage$35.30 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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