Kevin A. Greer, MD
NPI 1609889757ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Green Bay, WI
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Green Bay, Wisconsin, trained at Northwestern University Feinberg Medical School (class of 1992). 213 Medicare patients in 2024, $95,682 paid; nearly all of their 77 Part D prescriptions were generic (95%). Lemaitre Vascular, Inc. was the largest of 2 companies reporting payments in 2025, $142.21 in all, mostly food and beverage.
Overview
| NPI | 1609889757 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Feb 20, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 43457 | 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 | 213 |
|---|---|
| Services billed | 363 across 44 procedure codes |
| Paid by Medicare | $95,682 |
Part D prescriptions in 2024
| Prescriptions (claims) | 77 · 98 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $3,048 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
Hospital affiliations
- Bellin Memorial HospitalGreen Bay, WI
- Door County Medical CenterSturgeon Bay, WI
Industry payments (Open Payments)
- 2025$142.21 · 2 payments from 2 companies
- 2024$217.21 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lemaitre Vascular, Inc. | $116.23 | 1 |
| Novartis Pharmaceuticals Corporation | $25.98 | 1 |
What the 2025 payments were for
- Food and Beverage$142.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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