Igor Darko Gregoric, M.D.
NPI 1043308844ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Houston, TX
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) with Ut Physicians, practicing in Houston, Texas. Enrolled in Medicare as practitioner - thoracic surgery. Abbott Laboratories reported $313.85 in payments in 2025, mostly food and beverage. Lists Memorial Hermann - Texas Medical Center as a hospital affiliation.
Overview
| NPI | 1043308844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 10, 2006 |
| Last updated in NPPES | Aug 24, 2026 |
| Certified by provider | Aug 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | L0223 | TX |
| Specialist | 174400000X | L0223 | TX |
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 (TX) |
|---|
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | Cardiac Surgery, Cardiovascular Disease (Cardiology), General Surgery |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliation
- Memorial Hermann - Texas Medical CenterHouston, TX
Industry payments (Open Payments)
- 2025$313.85 · 3 payments from 1 company
- 2024$993.09 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $313.85 | 3 |
What the 2025 payments were for
- Food and Beverage$313.85 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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