ILEANA E MENDEZ M.D.
NPI 1255770400
Emergency Medicine in Mcallen, TX
About Ileana E Mendez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILEANA E MENDEZ M.D. (NPI 1255770400) is an individual emergency medicine provider in Mcallen, Texas, licensed in Tennessee (54525) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.
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 (PECOS)
Ileana E Mendez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
9Medicare enrollment records show Ileana Mendez reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 40 clinicians in this Medicare group
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 170 clinicians in this Medicare group
Edinburg, TX 78539
- Reassigned Medicare billing, Texas enrollment
- 257 clinicians in this Medicare group
Edinburg, TX 78541
- Reassigned Medicare billing, Texas enrollment
- 154 clinicians in this Medicare group
Weslaco, TX 78596
- Reassigned Medicare billing, Texas enrollment
- 44 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Liberty, TX 77575
- Reassigned Medicare billing, Texas enrollment
- 199 clinicians in this Medicare group
Dyersburg, TN 38024
- Reassigned Medicare billing, Tennessee enrollment
- 256 clinicians in this Medicare group
Clewiston, FL 33440
- Reassigned Medicare billing, Texas enrollment
- 123 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 3
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 78503 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.
MCALLEN, TX 78503
MCALLEN, TX 78503
MCALLEN, TX 78503
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 Ileana Mendez's NPI number?
The NPI number for Ileana Mendez is 1255770400. It was assigned to this individual provider in the NPPES registry on June 20, 2013.
Where is Ileana Mendez located?
Ileana Mendez practices at 205 E Toronto Ave, Mcallen, TX 78503. The listed phone number is (956) 687-6155.
What is Ileana Mendez's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ileana Mendez enrolled in Medicare?
Yes. Ileana Mendez is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ileana Mendez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ileana Mendez reassigns Medicare benefits to 9 organizations: MD Hospitalists PLLC (Mcallen, TX), Mcallen Emergency Medicine Associates PA (Mcallen, TX), Edinburg Emergency Medicine Associates PA (Edinburg, TX), Municipal Emergency Medicine Associates, PA (Edinburg, TX), Rio Grande Valley Emergency Physicians PLLC (Weslaco, TX) and 4 more organizations, listed in the Medicare section above. 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 Ileana Mendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ileana Mendez accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Ileana Mendez 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 Ileana Mendez was last updated on September 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.