Jennifer J. Gregas, NP
NPI 1578759122ActiveIndividual· Nurse Practitioner, Adult Health· Onalaska, WI
Nurse Practitioner, Adult Health (NP) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in Onalaska, Wisconsin. 108 Medicare patients in 2024, $14,425 paid; all of their 256 Part D prescriptions were generic. Lists Gundersen Boscobel Area Hospital and Clinics and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1578759122 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 18, 2007 |
| Last updated in NPPES | Sep 10, 2026 |
| Certified by provider | Sep 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 3215-33 | 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 | 108 |
|---|---|
| Services billed | 299 across 7 procedure codes |
| Paid by Medicare | $14,425 |
Part D prescriptions in 2024
| Prescriptions (claims) | 256 · 672 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $5,208 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
Hospital affiliations
- Gundersen Boscobel Area Hospital and ClinicsBoscobel, WI
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Adult Health providers in Onalaska
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