Sarah Bertzyk, APNP
NPI 1316652373ActiveIndividual· Nurse Practitioner, Family· Menasha, WI
Nurse Practitioner, Family (APNP) with Ascension Medical Group-Fox Valley Wisconsin, Inc, practicing in Menasha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $597,357 for 1,159 claims, against $12,723 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $2,230 in all, mostly food and beverage. Lists Ascension Ne Wisconsin - St Elizabeth Campus as a hospital affiliation.
Overview
| NPI | 1316652373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APNP |
| Sole proprietor | No |
| NPI issued | Jan 13, 2023 |
| Last updated in NPPES | Jan 13, 2023 |
| Certified by provider | Jan 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 13474-33 | 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 | 121 |
|---|---|
| Services billed | 268 across 17 procedure codes |
| Paid by Medicare | $12,723 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,159 · 2,379 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $597,357 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
Hospital affiliation
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
Industry payments (Open Payments)
- 2025$2,230 · 83 payments from 9 companies
- 2024$1,745 · 61 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $749.86 | 22 |
| Abbvie Inc. | $362.85 | 12 |
| Madrigal Pharmaceuticals | $328.89 | 9 |
| Gilead Sciences, Inc. | $238.94 | 9 |
| Regeneron Healthcare Solutions, Inc. | $222.22 | 13 |
What the 2025 payments were for
- Food and Beverage$2,141 · 82 payments
- Education$89.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 family nurse practitioners in Menasha · All family nurse practitioners in Wisconsin