Gregory Norman Messner, D.O.
NPI 1376572867ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Plano, TX
Thoracic Surgery (Cardiothoracic Vascular Surgery) (D.O.) with Concord Medical Group PLLC, practicing in Plano, Texas. In 2024 Medicare paid $1,257,154 for 257 patients, and Part D covered 719 of their prescriptions, 84% of them generic. Biotronik Inc. was the largest of 6 companies reporting payments in 2025, $718.85 in all, mostly food and beverage. Lists Limestone Medical Center as a hospital affiliation.
Overview
| NPI | 1376572867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Dec 22, 2025 |
| Certified by provider | Dec 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | K5159 | TX |
| Emergency Medicine | 207P00000X | K5159 | TX |
| Surgery, Vascular Surgery | 2086S0129X | K5159 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 2,069 across 66 procedure codes |
| Paid by Medicare | $1,257,154 |
Part D prescriptions in 2024
| Prescriptions (claims) | 719 · 1,072 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $78,701 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Thoracic Surgery |
| Secondary specialties | Emergency Medicine, Vascular Surgery |
| Telehealth | Offers telehealth |
Medical group
- Concord Medical Group PLLCTulia, TX · 180 clinicians
Hospital affiliation
- Limestone Medical CenterGroesbeck, TX
Industry payments (Open Payments)
- 2025$718.85 · 20 payments from 6 companies
- 2024$20,469 · 52 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotronik Inc. | $344.60 | 11 |
| Bard Peripheral Vascular, Inc. | $229.39 | 4 |
| Philips North America LLC | $74.71 | 2 |
| Boston Scientific Corporation | $24.52 | 1 |
| Glaxosmithkline, LLC. | $22.95 | 1 |
What the 2025 payments were for
- Food and Beverage$718.85 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 cardiothoracic surgeons in Plano · All cardiothoracic surgeons in Texas