Nahason K. Ayunga, CRNA
NPI 1629324710ActiveIndividual· Nurse Anesthetist, Certified Registered· Amarillo, TX
Nurse Anesthetist, Certified Registered (CRNA) with U S Anesthesia Partners of Texas, PA and 2 other groups, practicing in Amarillo, Texas. Medicare paid $19,057 for services to 128 patients in 2024. Merck Sharp & Dohme LLC reported $26.58 in payments in 2025, mostly food and beverage. Lists Texas Health Hospital Frisco and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1629324710 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | Yes |
| NPI issued | Jul 26, 2012 |
| Last updated in NPPES | Apr 27, 2020 |
| Certified by provider | Apr 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 675029 | 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 - Certified Registered Nurse Anesthetist (CRNA) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 135 across 44 procedure codes |
| Paid by Medicare | $19,057 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- U S Anesthesia Partners of Texas, PAHouston, TX · 2,752 clinicians
- Emergenchealth PLLCTexarkana, TX · 1,056 clinicians
- Orthomed Staffing LLCPlano, TX · 416 clinicians
Hospital affiliations
- Texas Health Hospital FriscoFrisco, TX
- Texas Health Presbyterian Hospital AllenAllen, TX
- Texas Health Presbyterian Hospital PlanoPlano, TX
- Texoma Medical CenterDenison, TX
Industry payments (Open Payments)
- 2025$26.58 · 1 payment from 1 company
- 2024$46.78 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $26.58 | 1 |
What the 2025 payments were for
- Food and Beverage$26.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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