Thomas E. Merriman, MD
NPI 1134179054ActiveIndividual· Pain Medicine, Interventional Pain Medicine· Amarillo, TX
Pain Medicine, Interventional Pain Medicine (MD) in Amarillo, Texas, trained at University of Texas Medical School at Houston (class of 1988). 718 Medicare patients in 2024, $444,390 paid; nearly all of their 3,423 Part D prescriptions were generic (95%). Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $1,216 in all, mostly food and beverage.
Overview
| NPI | 1134179054 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2006 |
| Last updated in NPPES | Aug 10, 2023 |
| Certified by provider | Aug 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pain Medicine, Interventional Pain Medicine Primary | 208VP0014X | H5788 | TX |
| Pain Medicine, Pain Medicine | 208VP0000X | H5788 | 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 - Anesthesiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 718 |
|---|---|
| Services billed | 5,198 across 57 procedure codes |
| Paid by Medicare | $444,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,423 · 3,607 30-day fills |
|---|---|
| Patients | 596 |
| Total drug cost | $193,369 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Interventional Pain Management, Pain Management |
Medical group
- Mark Malone MD PARound Rock, TX · 103 clinicians
Hospital affiliations
- Bsa HospitalAmarillo, TX
- Golden Plains Community HospitalBorger, TX
- Northwest Texas HospitalAmarillo, TX
- Quail Creek Surgical HospitalAmarillo, TX
Industry payments (Open Payments)
- 2025$1,216 · 26 payments from 2 companies
- 2024$1,148 · 40 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,191 | 25 |
| Boston Scientific Corporation | $25.40 | 1 |
What the 2025 payments were for
- Food and Beverage$1,216 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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