Gregory Corbett Thom, M.D.
NPI 1689802977ActiveIndividual· Surgery, Vascular Surgery· Green Bay, WI
Surgery, Vascular Surgery (M.D.) in Green Bay, Wisconsin, trained at Medical College of Wisconsin (class of 2009). In 2024 Medicare paid $60,304 for 188 patients, and Part D covered 141 of their prescriptions, 89% of them generic. Cook Medical LLC was the largest of 2 companies reporting payments in 2025, $393.27 in all, mostly food and beverage.
Overview
| NPI | 1689802977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2009 |
| Last updated in NPPES | Aug 15, 2025 |
| Certified by provider | Aug 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 65518-20 | WI |
| Surgery | 208600000X | 65518-20 | 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 - Vascular Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 188 |
|---|---|
| Services billed | 450 across 76 procedure codes |
| Paid by Medicare | $60,304 |
Part D prescriptions in 2024
| Prescriptions (claims) | 141 · 207 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $12,795 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Vascular Surgery |
Medical group
- Baycare Aurora LLCGreen Bay, WI · 194 clinicians
Hospital affiliations
- Aurora Baycare Medical CtrGreen Bay, WI
- Aurora Medical Center Bay AreaMarinette, WI
- Aurora Medical Ctr Manitowoc CountyTwo Rivers, WI
Industry payments (Open Payments)
- 2025$393.27 · 4 payments from 2 companies
- 2024$44.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cook Medical LLC | $199.48 | 3 |
| Boston Scientific Corporation | $193.79 | 1 |
What the 2025 payments were for
- Food and Beverage$393.27 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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