Catherine A. Ziegler, FNP
NPI 1013214717ActiveIndividual· Nurse Practitioner· La Crosse, WI
Nurse Practitioner (FNP) with Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc., practicing in La Crosse, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $162,557 for 1,972 claims, against $933.57 paid for services in 2024. Glaxosmithkline, LLC. reported $14.38 in payments in 2025, mostly food and beverage. Lists Aspirus Rhinelander Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013214717 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Feb 16, 2011 |
| Last updated in NPPES | Feb 6, 2026 |
| Certified by provider | Feb 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4293 | WI |
| Nurse Practitioner, Family | 363LF0000X | 4293 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 66 |
|---|---|
| Services billed | 84 across 4 procedure codes |
| Paid by Medicare | $933.57 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,972 · 3,698 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $162,557 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.Rhinelander, WI · 574 clinicians
Hospital affiliations
- Aspirus Rhinelander HospitalRhinelander, WI
- Aspirus Wausau HospitalWausau, WI
- Howard Young Medical CenterWoodruff, WI
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI
- Mayo Clinic Hlth Systm Franciscan Hlthcare SpartaSparta, WI
Industry payments (Open Payments)
- 2025$14.38 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $14.38 | 1 |
What the 2025 payments were for
- Food and Beverage$14.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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