Steven J. Gerndt, MD
NPI 1487667549ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Green Bay, WI
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Green Bay, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1989). Mostly services rather than prescriptions: Medicare paid $32,694 for 37 patients in 2024, with only 26 Part D claims. Lemaitre Vascular, Inc. was the largest of 2 companies reporting payments in 2025, $119.70 in all, mostly food and beverage.
Overview
| NPI | 1487667549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Feb 15, 2024 |
| Certified by provider | Feb 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 38744 | 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 - Thoracic Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 76 across 32 procedure codes |
| Paid by Medicare | $32,694 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 38 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $162.28 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Thoracic Surgery |
Medical group
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
Hospital affiliation
- Bellin Memorial HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2025$119.70 · 2 payments from 2 companies
- 2024$92.78 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lemaitre Vascular, Inc. | $116.23 | 1 |
| Intuitive Surgical, Inc. | $3.47 | 1 |
What the 2025 payments were for
- Food and Beverage$119.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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