Ann M. Hefter, AGACNP-BC, MSN, BSN
NPI 1003584145ActiveIndividual· Nurse Practitioner· Appleton, WI
Nurse Practitioner (AGACNP-BC, MSN, BSN) with Ascension Medical Group-Fox Valley Wisconsin, Inc, practicing in Appleton, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $576,119 for 3,203 claims, against $20,702 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 13 companies reporting payments in 2025, $536.05 in all, mostly food and beverage. Lists Ascension Ne Wisconsin - St Elizabeth Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003584145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGACNP-BC, MSN, BSN |
| Sole proprietor | No |
| NPI issued | Sep 2, 2021 |
| Last updated in NPPES | Aug 22, 2023 |
| Certified by provider | Aug 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 11169 | 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 | 188 |
|---|---|
| Services billed | 478 across 17 procedure codes |
| Paid by Medicare | $20,702 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,203 · 6,875 30-day fills |
|---|---|
| Patients | 785 |
| Total drug cost | $576,119 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
Hospital affiliations
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
Industry payments (Open Payments)
- 2025$536.05 · 25 payments from 13 companies
- 2024$976.51 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $143.74 | 6 |
| Alnylam Pharmaceuticals Inc. | $64.36 | 2 |
| E.R. Squibb & Sons, L.L.C. | $54.40 | 3 |
| Amgen Inc. | $52.05 | 3 |
| Pfizer Inc. | $45.83 | 2 |
What the 2025 payments were for
- Food and Beverage$536.05 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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