Michael J. Darr, ANP
NPI 1639638174ActiveIndividual· Nurse Practitioner, Family· Wausau, WI
Nurse Practitioner, Family (ANP) with McHs Hospitals Inc and 1 other group, practicing in Wausau, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $313,456 for 5,549 claims, against $42,603 paid for services in 2024. Lists Aspirus Rhinelander Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1639638174 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ANP |
| Sole proprietor | No |
| NPI issued | Mar 14, 2019 |
| Last updated in NPPES | Mar 14, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 9134-33 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 228 |
|---|---|
| Services billed | 4,915 across 30 procedure codes |
| Paid by Medicare | $42,603 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,549 · 12,373 30-day fills |
|---|---|
| Patients | 518 |
| Total drug cost | $313,456 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
- Langlade Hospital - Hotel Dieu of St Joseph of Antigo WisconsinAntigo, WI · 86 clinicians
Hospital affiliations
- Aspirus Rhinelander HospitalRhinelander, WI
- Langlade HospitalAntigo, WI
- Marshfield Medical CenterMarshfield, WI
- Marshfield Medical Center - WestonWeston, 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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