RIO VALLEY EMERGENCY PHYSICIAN ASSOCIATES PLLC
NPI 1134827934
Emergency Medicine in Edinburg, TX
About Rio Valley Emergency Physician Associates Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIO VALLEY EMERGENCY PHYSICIAN ASSOCIATES PLLC (NPI 1134827934) is a healthcare organization registered as an emergency medicine in Edinburg, Texas and active in the NPI registry since February 2023. The organization lists Christopher Guadarrama, Coo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Rio Valley Emergency Physician Associates Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
58Medicare enrollment records show 58 clinicians reassign Medicare billing to Rio Valley Emergency Physician Associates PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 58Source: 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 Rio Valley Emergency Physician Associates PLLC's NPI number?
The NPI number for Rio Valley Emergency Physician Associates PLLC is 1134827934. It was assigned to this organization in the NPPES registry on February 21, 2023.
Where is Rio Valley Emergency Physician Associates PLLC located?
Rio Valley Emergency Physician Associates PLLC is located at 1102 W Trenton Rd, Edinburg, TX 78539. The listed phone number is (956) 388-6000.
What is Rio Valley Emergency Physician Associates PLLC's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Rio Valley Emergency Physician Associates PLLC enrolled in Medicare?
Yes. Rio Valley Emergency Physician Associates PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Rio Valley Emergency Physician Associates PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 58 clinicians in 5 Medicare specialties reassign their Medicare billing to Rio Valley Emergency Physician Associates 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 (33), Family Practice (11) and Nurse Practitioner (8). Of these, 1 practice at this address and 19 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 Rio Valley Emergency Physician Associates PLLC was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Rio Valley Emergency Physician Associates Pllc · NPI 1134827934
Emergency Medicine organization in Edinburg, Texas. Organization record, active in the CMS NPPES registry since February 21, 2023.
## Identity
- **NPI:** 1134827934 (Entity type: Organization)
- **Enumerated:** February 21, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Christopher Guadarrama, COO
## Practice location
- **Address:** 1102 W TRENTON RD, Edinburg, TX 78539-9105
- **Phone:** (956) 388-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 58 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (33), Family Practice (11), Nurse Practitioner (8); 1 practice at this address and 19 within 10 miles; [full list](https://npiprofile.com/npi/1134827934/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1134827934) · Data from the CMS NPPES public registry.