Ann Lorenz, NP
NPI 1104681907ActiveIndividual· Nurse Practitioner, Pediatrics· La Crosse, WI
Nurse Practitioner, Pediatrics (NP) with Gundersen Clinic Ltd, practicing in La Crosse, Wisconsin. 106 Medicare patients in 2024, $10,719 paid; nearly all of their 173 Part D prescriptions were generic (97%). Lists Gundersen Lutheran Medical Center as a hospital affiliation.
Overview
| NPI | 1104681907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Feb 20, 2024 |
| Last updated in NPPES | Sep 11, 2026 |
| Certified by provider | Sep 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Pediatrics Primary | 363LP0200X | 14587 | 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 | 106 |
|---|---|
| Services billed | 196 across 13 procedure codes |
| Paid by Medicare | $10,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 173 · 174 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $1,416 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
Hospital affiliation
- Gundersen Lutheran Medical CenterLa Crosse, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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