UNA REGINA NUESA ALUYEN MD
NPI 1477082303
Emergency Medicine in Odessa, TX
About Una Regina Nuesa Aluyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UNA REGINA NUESA ALUYEN MD (NPI 1477082303) is an individual emergency medicine provider in Odessa, Texas, licensed in Texas (T3429) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Rio Grande Regional Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Una Regina Nuesa Aluyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Una Regina Aluyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Odessa, TX 79761
- Reassigned Medicare billing, Texas enrollment
- 81 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
San Antonio, TX 78249
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rio Grande Regional Hospital
Acute Care Hospitals · Mcallen, TXBaptist Neighborhood Hospital Thousand Oaks
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79763 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ODESSA, TX 79763
ODESSA, TX 79763
ODESSA, TX 79763
ODESSA, TX 79763
ODESSA, TX 79763
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Una Regina Aluyen's NPI number?
The NPI number for Una Regina Aluyen is 1477082303. It was assigned to this individual provider in the NPPES registry on June 5, 2017.
Where is Una Regina Aluyen located?
Una Regina Aluyen practices at 701 W 5th St, Odessa, TX 79763. The listed phone number is (432) 703-5238.
What is Una Regina Aluyen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Una Regina Aluyen enrolled in Medicare?
Yes. Una Regina Aluyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Una Regina Aluyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Una Regina Aluyen reassigns Medicare benefits to 4 organizations: Basin Emergency Physicians PLLC (Odessa, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Third Coast Emergency Physicians Southwest PA (San Antonio, TX) and Travis County Emergency Physicians PA (Austin, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Una Regina Aluyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Una Regina Aluyen accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Una Regina Aluyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Una Regina Aluyen affiliated with any hospitals?
According to CMS data, Una Regina Aluyen is affiliated with Rio Grande Regional Hospital and Baptist Neighborhood Hospital Thousand Oaks.
When was this NPI record last updated?
The NPPES record for Una Regina Aluyen was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Una Regina Nuesa Aluyen, MD · NPI 1477082303
Emergency Medicine physician in Odessa, Texas. Individual provider, active in the CMS NPPES registry since June 5, 2017.
## Identity
- **NPI:** 1477082303 (Entity type: Individual)
- **Enumerated:** June 5, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** T3429 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 W 5TH ST, Odessa, TX 79763-4206
- **Phone:** (432) 703-5238
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Basin Emergency Physicians PLLC (NPI 1831337724, Odessa, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Third Coast Emergency Physicians Southwest PA (NPI 1497793475, San Antonio, TX); Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1477082303) · Data from the CMS NPPES public registry.