GUILLERMINA A NELSON AGACNP
NPI 1326417106
Nurse Practitioner - Gerontology in El Paso, TX
About Guillermina A Nelson Agacnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUILLERMINA A NELSON AGACNP (NPI 1326417106) is an individual gerontology provider in El Paso, Texas, licensed in Texas (AP128912) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS, is affiliated with University Medical Center Of El Paso, and maintains a secondary practice location in El Paso.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Guillermina A Nelson Agacnp 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
2Medicare enrollment records show Guillermina Nelson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
El Paso, TX 79905
- Reassigned Medicare billing, Texas enrollment
- 856 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Texas enrollment
- 1,246 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center Of El Paso
Acute Care Hospitals · El Paso, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79905 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.
EL PASO, TX 79905
EL PASO, TX 79905
EL PASO, TX 79905
EL PASO, TX 79905
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 Guillermina Nelson's NPI number?
The NPI number for Guillermina Nelson is 1326417106. It was assigned to this individual provider in the NPPES registry on September 22, 2015.
Where is Guillermina Nelson located?
Guillermina Nelson practices at 4801 Alberta Ave, El Paso, TX 79905. The listed phone number is (915) 215-5900.
What is Guillermina Nelson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Guillermina Nelson enrolled in Medicare?
Yes. Guillermina Nelson 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 Guillermina Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guillermina Nelson reassigns Medicare benefits to 2 organizations: Texas Tech University Health Sciences Center El Paso (El Paso, TX) and Signify Health Medical Associates, PLLC (Dallas, 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 Guillermina Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Guillermina Nelson accept?
Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., UnitedHealthcare and WellPoint list Guillermina Nelson 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 Guillermina Nelson affiliated with any hospitals?
According to CMS data, Guillermina Nelson is affiliated with University Medical Center Of El Paso.
When was this NPI record last updated?
The NPPES record for Guillermina Nelson was last updated on November 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Guillermina A Nelson, AGACNP · NPI 1326417106
Gerontology physician in El Paso, Texas. Individual provider, active in the CMS NPPES registry since September 22, 2015.
## Identity
- **NPI:** 1326417106 (Entity type: Individual)
- **Enumerated:** September 22, 2015
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** AP128912 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4801 ALBERTA AVE, El Paso, TX 79905-2707
- **Phone:** (915) 215-5900 · **Fax:** (915) 215-8615
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Texas Tech University Health Sciences Center El Paso (NPI 1003824038, El Paso, TX); Signify Health Medical Associates, PLLC (NPI 1750845863, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** November 9, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1326417106) · Data from the CMS NPPES public registry.