Michelle Bregenzer, APNP
NPI 1861445546ActiveIndividual· Nurse Practitioner· Mount Pleasant, WI
Nurse Practitioner (APNP) with Ascension Medical Group-Southeast Wisconsin Inc, practicing in Mount Pleasant, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,048,367 for 1,095 claims, against $17,051 paid for services in 2024. Astellas Pharma US Inc was the largest of 6 companies reporting payments in 2025, $509.93 in all, mostly education. Lists Ascension All Saints Hospital as a hospital affiliation.
Overview
| NPI | 1861445546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APNP |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Jan 22, 2024 |
| Certified by provider | Jan 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209005840 | IL |
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 (IL); Practitioner - Nurse Practitioner (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 288 across 7 procedure codes |
| Paid by Medicare | $17,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,095 · 1,520 30-day fills |
|---|---|
| Patients | 277 |
| Total drug cost | $2,048,367 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliation
- Ascension All Saints HospitalRacine, WI
Industry payments (Open Payments)
- 2025$509.93 · 6 payments from 6 companies
- 2024$516.61 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $99.99 | 1 |
| Abbvie Inc. | $99.99 | 1 |
| Janssen Biotech, Inc. | $99.00 | 1 |
| Sanofi-Aventis U.S. LLC | $95.95 | 1 |
| Astrazeneca Pharmaceuticals LP | $95.00 | 1 |
What the 2025 payments were for
- Education$509.93 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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