Sharon I. Barnhart, NP
NPI 1477647584ActiveIndividual· Nurse Practitioner, Adult Health· La Crosse, WI
Nurse Practitioner, Adult Health (NP) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in La Crosse, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,475,069 for 3,163 claims, against $36,845 paid for services in 2024. Lists Crossing Rivers Health Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1477647584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 3, 2006 |
| 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 | 2919 | 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 | 276 |
|---|---|
| Services billed | 999 across 30 procedure codes |
| Paid by Medicare | $36,845 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,163 · 6,452 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $2,475,069 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| 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
- Crossing Rivers Health Medical CenterPrairie Du Chien, WI
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI
- Tomah Memorial HospitalTomah, WI
- Veterans Memorial HospitalWaukon, IA
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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All 33 adult health nurse practitioners in La Crosse · All adult health nurse practitioners in Wisconsin