George Aaron Duvall, M.D.
NPI 1073526604ActiveIndividual· Internal Medicine, Gastroenterology· Tyler, TX
Internal Medicine, Gastroenterology (M.D.) in Tyler, Texas, trained at Baylor College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $787,432 for 1,768 claims, against $129,977 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $2,390 in all, mostly food and beverage.
Overview
| NPI | 1073526604 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | H9893 | TX |
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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 641 |
|---|---|
| Services billed | 1,198 across 54 procedure codes |
| Paid by Medicare | $129,977 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,768 · 2,424 30-day fills |
|---|---|
| Patients | 779 |
| Total drug cost | $787,432 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Gastroenterology |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$2,390 · 116 payments from 13 companies
- 2024$4,942 · 155 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $958.15 | 61 |
| Takeda Pharmaceuticals U.S.A., Inc. | $378.37 | 16 |
| Janssen Scientific Affairs, LLC | $221.99 | 2 |
| Genzyme Corporation | $217.76 | 11 |
| Pfizer Inc. | $143.58 | 7 |
What the 2025 payments were for
- Food and Beverage$2,390 · 116 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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