Omar Ayala, M.D.
NPI 1972786176ActiveIndividual· Internal Medicine· San Angelo, TX
Internal Medicine (M.D.) with Shannon Clinic, practicing in San Angelo, Texas. Medicare paid $31,129 for services to 226 patients in 2024. Lists Ballinger Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1972786176 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 11, 2007 |
| Last updated in NPPES | Jun 11, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | N4925 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 226 |
|---|---|
| Services billed | 244 across 5 procedure codes |
| Paid by Medicare | $31,129 |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Shannon ClinicSan Angelo, TX · 559 clinicians
Hospital affiliations
- Ballinger Memorial HospitalBallinger, TX
- Heart of Texas Memorial HospitalBrady, TX
- Scenic Mountain Medical CenterBig Spring, TX
- Schleicher County Medical CenterEldorado, TX
- Shannon Medical CenterSan Angelo, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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