Aaron R. Johnson, M.D.
NPI 1538124854ActiveIndividual· Urology· Fond Du Lac, WI
Urology (M.D.) in Fond Du Lac, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $229,733 for 3,820 claims, against $42,196 paid for services in 2024. Travere Therapeutics, Inc. reported $3.01 in payments in 2025, mostly education.
Overview
| NPI | 1538124854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2006 |
| Last updated in NPPES | Feb 29, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 48454 | 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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 228 |
|---|---|
| Services billed | 737 across 41 procedure codes |
| Paid by Medicare | $42,196 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,820 · 8,750 30-day fills |
|---|---|
| Patients | 608 |
| Total drug cost | $229,733 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Urology |
Medical group
- Agnesian Healthcare IncWaupun, WI · 388 clinicians
Hospital affiliations
- Ssm Health St Agnes Hospital-Fond Du LacFond Du Lac, WI
- Waupun Memorial HospitalWaupun, WI
Industry payments (Open Payments)
- 2025$3.01 · 1 payment from 1 company
- 2024$39.35 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $3.01 | 1 |
What the 2025 payments were for
- Education$3.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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