Bozena J. Biernat, MD
NPI 1003890864ActiveIndividual· Internal Medicine· De Pere, WI
Internal Medicine (MD) with Bellin Memorial Hospital Inc, practicing in De Pere, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,683,729 for 20,511 claims, against $142,982 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 2 companies reporting payments in 2025, $42.99 in all, mostly education. Lists Bellin Health Oconto Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1003890864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 5, 2005 |
| Last updated in NPPES | Feb 27, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 45784 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 836 |
|---|---|
| Services billed | 7,701 across 111 procedure codes |
| Paid by Medicare | $142,982 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,511 · 44,139 30-day fills |
|---|---|
| Patients | 1,124 |
| Total drug cost | $1,683,729 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
Hospital affiliations
- Bellin Health Oconto HospitalOconto, WI
- Bellin Memorial HospitalGreen Bay, WI
- St Vincent HospitalGreen Bay, WI
Other facilities
- Bellin Home Health AgencyHome health agency · Green Bay, WI
- Unity HospiceHospice · De Pere, WI
- Rennes Health and Rehab Center-De PereNursing home · De Pere, WI
Industry payments (Open Payments)
- 2025$42.99 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $24.78 | 1 |
| Novartis Pharmaceuticals Corporation | $18.21 | 1 |
What the 2025 payments were for
- Education$24.78 · 1 payment
- Food and Beverage$18.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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