ALBERTO OLIVAREZ
NPI 1790636983
Nurse Anesthetist, Certified Registered in Rio Grande City, TX
About Alberto Olivarez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALBERTO OLIVAREZ (NPI 1790636983) is an individual nurse anesthetist, certified registered in Rio Grande City, Texas, licensed in Texas (1225239) and active in the NPI registry since February 2026. He is affiliated with Starr County Memorial Hospital and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alberto Olivarez is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Alberto Olivarez reassigns Medicare billing to 2 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
- 98 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Texas enrollment
- 1,164 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Starr County Memorial Hospital
Acute Care Hospitals · Rio Grande City, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78582 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIO GRANDE CITY, TX 78582
RIO GRANDE CITY, TX 78582
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 Alberto Olivarez's NPI number?
The NPI number for Alberto Olivarez is 1790636983. It was assigned to this individual provider in the NPPES registry on February 4, 2026.
Where is Alberto Olivarez located?
Alberto Olivarez practices at 128 N Fm 3167, Rio Grande City, TX 78582. The listed phone number is (956) 487-5561.
What is Alberto Olivarez's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Alberto Olivarez enrolled in Medicare?
Yes. Alberto Olivarez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alberto Olivarez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alberto Olivarez reassigns Medicare benefits to 2 organizations: Rio Grande Anesthesia & Pain Medicine Consultants, P.A. (Mcallen, TX) and Northstar Anesthesia, PA (Arlington, TX). 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 Alberto Olivarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alberto Olivarez accept?
Health plans from Blue Cross and Blue Shield of Texas list Alberto Olivarez 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.
Is Alberto Olivarez affiliated with any hospitals?
According to CMS data, Alberto Olivarez is affiliated with Starr County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Alberto Olivarez was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Alberto Olivarez · NPI 1790636983
Nurse Anesthetist, Certified Registered physician in Rio Grande City, Texas. Individual provider, active in the CMS NPPES registry since February 4, 2026.
## Identity
- **NPI:** 1790636983 (Entity type: Individual)
- **Enumerated:** February 4, 2026
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 1225239 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 128 N FM 3167, Rio Grande City, TX 78582-6211
- **Phone:** (956) 487-5561
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Rio Grande Anesthesia & Pain Medicine Consultants, P.A. (NPI 1962457234, Mcallen, TX); Northstar Anesthesia, PA (NPI 1912978610, Arlington, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** February 4, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1790636983) · Data from the CMS NPPES public registry.