Active NPI
Rio Valley Emergency Physician Associates PLLC
- Emergency Medicine Physician
- Edinburg, TX
National Provider Identifier
1134827934
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- Legal business name
- RIO VALLEY EMERGENCY PHYSICIAN ASSOCIATES PLLC
- Practice address
- 1102 W Trenton Rd
Edinburg, TX 78539-9105 - Phone
- (956) 388-6000
- NPI assigned
- Feb 21, 2023
- Last updated
- Oct 30, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Christopher Guadarrama, MD
- Title
- Coo
- Phone
- (956) 242-4452
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | Primary |
Addresses
Primary practice location
1102 W Trenton Rd
Edinburg, TX 78539-9105
Mailing address
PO Box 2238
San Antonio, TX 78298-2238
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 75
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
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-
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- NPI 1114450392
-
- Pediatric Emergency Medicine (Emergency Medicine) Physician
- San Antonio, TX
- NPI 1942273511
-
- Critical Care Pediatric Nurse Practitioner
- Edinburg, TX
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-
- Nurse Practitioner
- McAllen, TX
- NPI 1184971905
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- Emergency Medical Services (Emergency Medicine) Physician
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-
- Internal Medicine Physician
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NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1676937600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1761782400000",
"number": "1134827934",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 2238",
"city": "SAN ANTONIO",
"state": "TX",
"postal_code": "782982238"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1102 W TRENTON RD",
"city": "EDINBURG",
"state": "TX",
"postal_code": "785399105",
"telephone_number": "956-388-6000"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "RIO VALLEY EMERGENCY PHYSICIAN ASSOCIATES PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2023-02-21",
"last_updated": "2025-10-30",
"certification_date": "2025-10-30",
"status": "A",
"authorized_official_last_name": "GUADARRAMA",
"authorized_official_first_name": "CHRISTOPHER",
"authorized_official_title_or_position": "COO",
"authorized_official_telephone_number": "956-242-4452",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Edinburg, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.