Thomas Bak, MD
NPI 1457445785ActiveIndividual· Transplant Surgery· Aurora, CO
Transplant Surgery (MD) in Aurora, Colorado, trained at Tulane University School of Medicine (class of 1988). Medicare paid $37,947 for services to 45 patients in 2024. Ethicon US, LLC reported $292.68 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1457445785 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Sep 17, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Transplant Surgery Primary | 204F00000X | 33648 | CO |
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 - General Surgery (CO); Practitioner - General Surgery (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 45 |
|---|---|
| Services billed | 85 across 14 procedure codes |
| Paid by Medicare | $37,947 |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | General Surgery |
Medical group
- University Physicians IncorporatedAurora, CO · 3,215 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$292.68 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $292.68 | 2 |
What the 2025 payments were for
- Food and Beverage$292.68 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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