ERICA ELGUEA DIAZ FNP
NPI 1295370138
Nurse Practitioner - Family in Lancaster, TX
About Erica Elguea Diaz Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERICA ELGUEA DIAZ FNP (NPI 1295370138) is an individual family provider in Lancaster, Texas, licensed in Texas (AP144035) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
Erica Elguea Diaz Fnp 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 Erica Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, TX 76017
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
Austin, TX 78731
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Wellmed Medical Group PA
- 762 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75146 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Erica Diaz's NPI number?
The NPI number for Erica Diaz is 1295370138. It was assigned to this individual provider in the NPPES registry on November 14, 2019.
Where is Erica Diaz located?
Erica Diaz practices at 2424 W Pleasant Run Rd Ste 200, Lancaster, TX 75146. The listed phone number is (972) 274-5200.
What is Erica Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Erica Diaz enrolled in Medicare?
Yes. Erica Diaz 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 Erica Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erica Diaz reassigns Medicare benefits to 2 organizations: Medical Clinic Of North Texas, PLLC (Arlington, TX) and Wellmed Medical Group, P.A. (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 Erica Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erica Diaz accept?
Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Erica Diaz 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.
When was this NPI record last updated?
The NPPES record for Erica Diaz was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Erica Elguea Diaz, FNP · NPI 1295370138
Family physician in Lancaster, Texas. Individual provider, active in the CMS NPPES registry since November 14, 2019.
## Identity
- **NPI:** 1295370138 (Entity type: Individual)
- **Enumerated:** November 14, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP144035 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2424 W PLEASANT RUN RD STE 200, Lancaster, TX 75146-4007
- **Phone:** (972) 274-5200
## 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): Medical Clinic Of North Texas, PLLC (NPI 1033167234, Arlington, TX); Wellmed Medical Group, P.A. (NPI 1518265891, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1295370138) · Data from the CMS NPPES public registry.