Dena L. Piechowski, NP
NPI 1417393596ActiveIndividual· Nurse Practitioner, Primary Care· Beaver Dam, WI
Nurse Practitioner, Primary Care (NP) with University of Wisconsin Medical Foundation Inc, practicing in Beaver Dam, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $161,561 for 2,057 claims, against $39,622 paid for services in 2024. Lists Columbus Community Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1417393596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | May 16, 2013 |
| Last updated in NPPES | Nov 19, 2025 |
| Certified by provider | Nov 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 5449 | WI |
| Nurse Practitioner | 363L00000X | 5449 | WI |
| Nurse Practitioner | 363L00000X | 134056 | 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 | 303 |
|---|---|
| Services billed | 1,542 across 40 procedure codes |
| Paid by Medicare | $39,622 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,057 · 4,525 30-day fills |
|---|---|
| Patients | 389 |
| Total drug cost | $161,561 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Columbus Community HospitalColumbus, WI
- Marshfield Medical Center - Beaver Dam (Mmc-Bd)Beaver Dam, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
- Waupun Memorial HospitalWaupun, WI
Other facilities
- Commonheart Home HealthHome health agency · Waukesha, WI
- Hillside Home CareHome health agency · Beaver Dam, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records