Jeffrey A. Willis, PA
NPI 1558388520ActiveIndividual· Physician Assistant· Mequon, WI
Physician Assistant (PA) with Milwaukee Radiologists Ltd, practicing in Mequon, Wisconsin. Mostly services rather than prescriptions: Medicare paid $6,646 for 76 patients in 2024, with only 20 Part D claims. Inari Medical, Inc. was the largest of 2 companies reporting payments in 2024, $225.96 in all, mostly food and beverage. Lists Ascension Se Wisconsin Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1558388520 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jul 16, 2006 |
| Last updated in NPPES | Dec 10, 2025 |
| Certified by provider | Dec 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1730 | 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 - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 160 across 30 procedure codes |
| Paid by Medicare | $6,646 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 24 30-day fills |
|---|---|
| Total drug cost | $7,781 |
| Generic share | 55% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Milwaukee Radiologists LtdNovato, CA · 16 clinicians
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Midwest Orthopedic Specialty HospitalFranklin, WI
Industry payments (Open Payments)
- 2024$225.96 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Inari Medical, Inc. | $181.35 | 1 |
| Boston Scientific Corporation | $44.61 | 1 |
What the 2024 payments were for
- Food and Beverage$225.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 physician assistants in Mequon · All physician assistants in Wisconsin