Courtney E. Castelein, APRN, FNP
NPI 1932648771ActiveIndividual· Nurse Practitioner· Janesville, WI
Nurse Practitioner (APRN, FNP) in Janesville, Wisconsin, licensed in WI, with an NPI issued in February 2017. Part D covered 998 prescriptions written in 2024, 85% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $84.76 in all, mostly food and beverage.
Overview
| NPI | 1932648771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, FNP |
| Sole proprietor | No |
| NPI issued | Feb 13, 2017 |
| Last updated in NPPES | Apr 11, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 7532-33 | 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 - Nurse Practitioner (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 998 · 2,247 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $77,152 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$84.76 · 5 payments from 3 companies
- 2024$172.44 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $37.98 | 2 |
| Lilly USA, LLC | $31.53 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $15.25 | 1 |
What the 2025 payments were for
- Food and Beverage$84.76 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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