Catherine L. Onsrud, FNP
NPI 1902981673ActiveIndividual· Nurse Practitioner, Family· Watertown, WI
Nurse Practitioner, Family (FNP) with Mercy Health System Corporation, practicing in Watertown, Wisconsin. 197 Medicare patients in 2024, $22,842 paid; nearly all of their 256 Part D prescriptions were generic (90%). Lists Javon Bea Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1902981673 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Oct 25, 2006 |
| Last updated in NPPES | Oct 18, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 2986-033 | 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 - Nurse Practitioner (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 223 across 9 procedure codes |
| Paid by Medicare | $22,842 |
Part D prescriptions in 2024
| Prescriptions (claims) | 256 · 419 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $28,676 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Health System CorporationJanesville, WI · 753 clinicians
Hospital affiliations
- Javon Bea HospitalRockford, IL
- Mercy Harvard HospitalHarvard, IL
- Mercy Health System CorpJanesville, WI
- Mercy Walworth Hospital & Medical CenterLake Geneva, 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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