Keelyn Marie Wallenfang, APNP
NPI 1669198313ActiveIndividual· Nurse Practitioner· Appleton, WI
Nurse Practitioner (APNP) with Thedacare, Incorporated, practicing in Appleton, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $455,255 for 3,159 claims, against $14,531 paid for services in 2024. Boston Scientific Corporation was the largest of 9 companies reporting payments in 2025, $360.43 in all, mostly food and beverage. Lists Thedacare Medical Center - New London and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1669198313 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APNP |
| Sole proprietor | No |
| NPI issued | Oct 14, 2022 |
| Last updated in NPPES | Dec 22, 2022 |
| Certified by provider | Dec 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 12184 | WI |
| Nurse Practitioner, Family | 363LF0000X | 12184 | 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 | 145 |
|---|---|
| Services billed | 326 across 13 procedure codes |
| Paid by Medicare | $14,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,159 · 7,693 30-day fills |
|---|---|
| Patients | 598 |
| Total drug cost | $455,255 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Thedacare, IncorporatedWaupaca, WI · 647 clinicians
Hospital affiliations
- Thedacare Medical Center - New LondonNew London, WI
- Thedacare Medical Center-WaupacaWaupaca, WI
- Thedacare Regional Med Ctr - NeenahNeenah, WI
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
Industry payments (Open Payments)
- 2025$360.43 · 11 payments from 9 companies
- 2024$1,294 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $178.84 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $41.80 | 2 |
| Abiomed | $31.53 | 1 |
| Medtronic, Inc. | $27.57 | 1 |
| Merck Sharp & Dohme LLC | $20.84 | 1 |
What the 2025 payments were for
- Food and Beverage$360.43 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 160 nurse practitioners in Appleton · All nurse practitioners in Wisconsin