EMERGENCY PHYSICIANS OF SOUTH TEXAS PLLC
NPI 1477310779
Emergency Medicine in Harlingen, TX

Active since March 04, 2024
5501 S EXPRESSWAY 77, HARLINGEN, TX 78550(956) 365-1000 Get Directions Write a Review

NPPES record last updated: August 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 16, 2024, Aug 8, 2024, May 6, 2024 and 2 more (5 updates tracked since 2024).

About Emergency Physicians Of South Texas Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EMERGENCY PHYSICIANS OF SOUTH TEXAS PLLC (NPI 1477310779) is a healthcare organization registered as an emergency medicine in Harlingen, Texas and active in the NPI registry since March 2024. The organization maintains a secondary practice location in Weslaco and lists Christopher Guadarrama, Coo, as its authorized official.

NPPES Registry Identity

NPI1477310779
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameEMERGENCY PHYSICIANS OF SOUTH TEXAS PLLC
Location Address5501 S EXPRESSWAY 77Harlingen, TX 78550-3213
Mailing Address222 E Van Buren Ave Ste 506Harlingen, TX 78550-6823 · (956) 242-4452 · Fax (956) 413-6760
Organization SubpartNo
Authorized OfficialChristopher GuadarramaCoo · (956) 242-4452
Enumeration DateMarch 4, 2024
Last NPPES UpdateAugust 16, 20245 updates tracked since enumeration
NPPES CertifiedAugust 16, 2024
✔ NPI 1477310779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
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.
5501 S EXPRESSWAY 77, Harlingen, TX 78550

Secondary Practice Location 1

Location 11401 E 8th StWeslaco, TX 78596-6640 · Phone (956) 968-8567

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emergency Physicians Of South Texas Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

47

Medicare enrollment records show 47 clinicians reassign Medicare billing to Emergency Physicians Of South Texas PLLC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Emergency Medicine18
Nurse Practitioner14
Family Practice8
Internal Medicine3
Critical Care (Intensivists)1
General Surgery1
Hospitalist1
Pulmonary Disease1

Nearest to this location (20)

See all 47
Nurse Practitioner
NPI 1609280106
2101 PEASE ST
Harlingen, TX 78550
(956) 389-1100
✔ PECOS✔ Accepts Medicare1.2 mi
Internal Medicine
NPI 1699769141
2101 PEASE ST
Harlingen, TX 78550
(956) 389-1100
✔ PECOS1.2 mi
Family Practice
NPI 1053774695
222 E VAN BUREN AVE STE 506
Harlingen, TX 78550
(956) 242-4452
✔ PECOS✔ Accepts Medicare2.6 mi
Nurse Practitioner
NPI 1497038376
6210 PECOS RIVER ST
Brownsville, TX 78526
(956) 346-5175
✔ PECOS✔ Accepts Medicare15 mi
Nurse Practitioner
NPI 1639929243
5501 US - 77
Harlingen, TX 78550
(956) 365-1000
✔ PECOS15 mi
Nurse Practitioner
NPI 1518528306
4002 PAREDES LINE RD STE 26
Brownsville, TX 78526
(956) 793-9444
✔ PECOS17 mi
Nurse Practitioner
NPI 1609277292
1401 E 8TH ST KNAPP MEDICAL CENTER
Weslaco, TX 78596
(956) 968-8567
✔ PECOS✔ Accepts Medicare19 mi
Emergency Medicine
NPI 1174267462
1401 E 8TH ST
Weslaco, TX 78596
(956) 968-8567
✔ PECOS✔ Accepts Medicare19 mi
Nurse Practitioner
NPI 1538561683
1401 E 8TH ST
Weslaco, TX 78596
(956) 890-0170
✔ PECOS✔ Accepts Medicare19 mi
Nurse Practitioner
NPI 1437793551
1401 E 8TH ST
Weslaco, TX 78596
(956) 648-4878
✔ PECOS19 mi
Family Practice
NPI 1184688806
1040 W JEFFERSON ST
Brownsville, TX 78520
(956) 698-5400
✔ PECOS✔ Accepts Medicare21 mi
Family Practice
NPI 1306596697
5636 SOUTHMOST RD APT A
Brownsville, TX 78521
(956) 280-5856
✔ PECOS✔ Accepts Medicare24 mi
Nurse Practitioner
NPI 1437631900
1156 W MONTE CRISTO RD
Edinburg, TX 78541
(956) 609-9339
✔ PECOS29 mi
Nurse Practitioner
NPI 1366129454
1102 W TRENTON RD
Edinburg, TX 78539
(956) 388-6000
✔ PECOS32 mi
Family Practice
NPI 1780176255
5416 S JACKSON RD
Edinburg, TX 78539
(956) 213-0040
✔ PECOS✔ Accepts Medicare33 mi
Emergency Medicine
NPI 1942986245
2205 FUENTE DE GOZO
Edinburg, TX 78539
(646) 326-5864
✔ PECOS✔ Accepts Medicare33 mi
Family Practice
NPI 1457000382
1000 E DOVE AVE
Mcallen, TX 78504
(956) 362-3552
✔ PECOS✔ Accepts Medicare33 mi
Emergency Medicine
NPI 1053393983
2502 W TRENTON RD
Edinburg, TX 78539
(956) 630-2119
✔ PECOS✔ Accepts Medicare33 mi
Hospitalist
NPI 1659786044
205 E TORONTO AVE
Mcallen, TX 78503
(956) 687-6155
✔ PECOS✔ Accepts Medicare34 mi
Internal Medicine
NPI 1083269534
3001 N 23RD ST STE 4
Mcallen, TX 78501
(956) 800-1303
✔ PECOS✔ Accepts Medicare36 mi
See all 47 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Emergency Physicians Of South Texas PLLC's NPI number?

The NPI number for Emergency Physicians Of South Texas PLLC is 1477310779. It was assigned to this organization in the NPPES registry on March 4, 2024.

Where is Emergency Physicians Of South Texas PLLC located?

Emergency Physicians Of South Texas PLLC is located at 5501 S Expressway 77, Harlingen, TX 78550. The listed phone number is (956) 365-1000.

What is Emergency Physicians Of South Texas PLLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Emergency Physicians Of South Texas PLLC enrolled in Medicare?

Yes. Emergency Physicians Of South Texas PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Emergency Physicians Of South Texas PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 47 clinicians in 8 Medicare specialties reassign their Medicare billing to Emergency Physicians Of South Texas PLLC. A 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 the clinician's services. The largest specialties are Emergency Medicine (18), Nurse Practitioner (14) and Family Practice (8). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Emergency Physicians Of South Texas PLLC was last updated on August 16, 2024. 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.