Roy Leland Thompson, M.D.
NPI 1053599951ActiveIndividual· Internal Medicine, Gastroenterology· Tulsa, OK
Internal Medicine, Gastroenterology (M.D.) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $378,858 for 744 claims, against $169,905 paid for services in 2024. Abbvie Inc. was the largest of 24 companies reporting payments in 2025, $3,220 in all, mostly food and beverage.
Overview
| NPI | 1053599951 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 4, 2008 |
| Last updated in NPPES | Mar 2, 2026 |
| Certified by provider | Mar 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 26229 | OK |
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 - Gastroenterology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 7,740 across 48 procedure codes |
| Paid by Medicare | $169,905 |
Part D prescriptions in 2024
| Prescriptions (claims) | 744 · 1,138 30-day fills |
|---|---|
| Patients | 355 |
| Total drug cost | $378,858 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Gastroenterology Specialists, Inc.Tulsa, OK · 23 clinicians
Hospital affiliations
- Ascension St John Broken ArrowBroken Arrow, OK
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$3,220 · 173 payments from 24 companies
- 2024$2,544 · 142 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $720.58 | 50 |
| Janssen Biotech, Inc. | $404.08 | 20 |
| Takeda Pharmaceuticals U.S.A., Inc. | $365.65 | 16 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $308.41 | 16 |
| Pfizer Inc. | $276.59 | 14 |
What the 2025 payments were for
- Food and Beverage$3,220 · 173 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 gastroenterologists in Tulsa · All gastroenterologists in Oklahoma