Corina L. Gerczak, PA
NPI 1821050105ActiveIndividual· Physician Assistant· De Pere, WI
Physician Assistant (PA) with Bellin Memorial Hospital Inc, practicing in De Pere, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $146,343 for 1,883 claims, against $7,559 paid for services in 2024. Dexcom, Inc. reported $115.65 in payments in 2025, mostly food and beverage. Lists Bellin Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1821050105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Apr 4, 2006 |
| Last updated in NPPES | Sep 20, 2023 |
| Certified by provider | Sep 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1960 | 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 - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 115 across 21 procedure codes |
| Paid by Medicare | $7,559 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,883 · 4,573 30-day fills |
|---|---|
| Patients | 160 |
| Total drug cost | $146,343 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
Hospital affiliation
- Bellin Memorial HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2025$115.65 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $115.65 | 1 |
What the 2025 payments were for
- Food and Beverage$115.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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