ILEANA E MENDEZ M.D.
NPI 1255770400
Emergency Medicine in Mcallen, TX

Active since June 20, 2013PECOS Enrolled
205 E TORONTO AVE, MCALLEN, TX 78503(956) 687-6155(956) 618-0451 Get Directions Write a Review

NPPES record last updated: September 13, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1255770400
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameILEANA E MENDEZCredential: M.D.
Location Address205 E TORONTO AVEMcallen, TX 78503-1209
Mailing Address205 E Toronto AveMcallen, TX 78503-1209 · (956) 687-6155 · Fax (956) 618-0451
Fax(956) 618-0451
Sole ProprietorYes
Enumeration DateJune 20, 2013
Last NPPES UpdateSeptember 13, 2016
✔ NPI 1255770400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TN · 54525
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
205 E TORONTO AVE, Mcallen, TX 78503

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

9

Medicare 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.

Hospitalist
110 E SAVANNAH AVE, BLDG B SUITE 203
Mcallen, TX 78503
  • Reassigned Medicare billing, Texas enrollment
  • 40 clinicians in this Medicare group
Emergency Medicine
301 W EXPY 83
Mcallen, TX 78503
  • Reassigned Medicare billing, Texas enrollment
  • 170 clinicians in this Medicare group
Emergency Medicine
1102 W TRENTON RD
Edinburg, TX 78539
  • Reassigned Medicare billing, Texas enrollment
  • 257 clinicians in this Medicare group
Emergency Medicine
3615 N. INTERSTATE 69C
Edinburg, TX 78541
  • Reassigned Medicare billing, Texas enrollment
  • 154 clinicians in this Medicare group
Emergency Medicine
1401 E 8TH ST
Weslaco, TX 78596
  • Reassigned Medicare billing, Texas enrollment
  • 44 clinicians in this Medicare group
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
Emergency Medicine
1353 N TRAVIS ST
Liberty, TX 77575
  • Reassigned Medicare billing, Texas enrollment
  • 199 clinicians in this Medicare group
Emergency Medicine
400 E TICKLE ST
Dyersburg, TN 38024
  • Reassigned Medicare billing, Tennessee enrollment
  • 256 clinicians in this Medicare group
Emergency Medicine
524 W SAGAMORE AVE
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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
58 services56 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
25 services25 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
23 services23 patients

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.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Psychologist (Clinical)
205 E TORONTO AVE
MCALLEN, TX 78503
Internal Medicine (Medical Oncology)
205 E TORONTO AVE
MCALLEN, TX 78503
Family Medicine
205 E TORONTO AVE
MCALLEN, TX 78503
Family Medicine
205 E TORONTO AVE
MCALLEN, TX 78503
Student in an Organized Health Care Education/Training Program
205 E TORONTO AVE
MCALLEN, TX 78503
Student in an Organized Health Care Education/Training Program
205 E TORONTO AVE
MCALLEN, TX 78503
Student in an Organized Health Care Education/Training Program
205 E TORONTO AVE
MCALLEN, TX 78503
Family Medicine
205 E TORONTO AVE
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.