Una Regina Nuesa Aluyen, MD
NPI 1477082303ActiveIndividual· Emergency Medicine· Odessa, TX
Emergency Medicine (MD) with Emergency Medicine Services of Tx, PLLC, practicing in Odessa, Texas. 44 Medicare patients in 2024, $5,279 paid; nearly all of their 299 Part D prescriptions were generic (96%). Lists Baptist Neighborhood Hospital Thousand Oaks and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477082303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2017 |
| Last updated in NPPES | Jul 21, 2022 |
| Certified by provider | May 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | T3429 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 47 across 7 procedure codes |
| Paid by Medicare | $5,279 |
Part D prescriptions in 2024
| Prescriptions (claims) | 299 · 303 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $2,422 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Emergency Medicine Services of Tx, PLLCSpring Branch, TX · 400 clinicians
Hospital affiliations
- Baptist Neighborhood Hospital Thousand OaksSan Antonio, TX
- Rio Grande Regional HospitalMcAllen, 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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All 32 emergency medicine physicians in Odessa · All emergency medicine physicians in Texas