Michael Gary Contreras, MD
NPI 1699885889ActiveIndividual· Anesthesiology· Amarillo, TX
Anesthesiology (MD) with Compass Anesthesia Providers, PLLC and 1 other group, practicing in Amarillo, Texas. Medicare paid $34,530 for services to 241 patients in 2024. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $97.89 in all, mostly food and beverage. Lists East Houston Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1699885889 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Mar 30, 2026 |
| Certified by provider | Mar 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | N4994 | TX |
| Anesthesiology | 207L00000X | 036106880 | IL |
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 - Anesthesiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 302 across 60 procedure codes |
| Paid by Medicare | $34,530 |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical groups
- Compass Anesthesia Providers, PLLCHumble, TX · 165 clinicians
- Dynamic Anesthesia Providers, PLLCBaytown, TX · 110 clinicians
Hospital affiliations
- East Houston Medical CenterHouston, TX
- Houston Methodist HospitalHouston, TX
- Surgery Specialty Hospitals of America Se HoustonPasadena, TX
- Townsen Memorial HospitalHumble, TX
Industry payments (Open Payments)
- 2025$97.89 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $42.38 | 2 |
| Boston Scientific Corporation | $37.37 | 1 |
| Fisher & Paykel Healthcare Inc | $18.14 | 1 |
What the 2025 payments were for
- Food and Beverage$97.89 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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