REBECCA GARZA AA-C
NPI 1265811525
Anesthesiologist Assistant in Houston, TX
About Rebecca Garza Aa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA GARZA AA-C (NPI 1265811525) is an individual anesthesiologist assistant in Houston, Texas, licensed in Texas (1998) and active in the NPI registry since May 2015. She is affiliated with Memorial Hermann Hospital System, maintains a secondary practice location in Houston, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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
Rebecca Garza Aa-c 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 Rebecca Garza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 3,111 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
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 Rebecca Garza's NPI number?
The NPI number for Rebecca Garza is 1265811525. It was assigned to this individual provider in the NPPES registry on May 20, 2015. The provider is also known as Rebecca Santillan.
Where is Rebecca Garza located?
Rebecca Garza practices at 1500 Citywest Blvd Ste 300, Houston, TX 77042. The listed phone number is (713) 620-4000.
What is Rebecca Garza's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Rebecca Garza enrolled in Medicare?
Yes. Rebecca Garza 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 Rebecca Garza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Garza reassigns Medicare benefits to 2 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX) and Ut Physicians (Houston, 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 Rebecca Garza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Garza accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Rebecca Garza 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 Rebecca Garza affiliated with any hospitals?
According to CMS data, Rebecca Garza is affiliated with Memorial Hermann Hospital System.
When was this NPI record last updated?
The NPPES record for Rebecca Garza was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Rebecca Garza, AA-C · NPI 1265811525
Anesthesiologist Assistant physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since May 20, 2015.
## Identity
- **NPI:** 1265811525 (Entity type: Individual)
- **Enumerated:** May 20, 2015
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 1998 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1500 CITYWEST BLVD STE 300, Houston, TX 77042-2549
- **Phone:** (713) 620-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Ut Physicians (NPI 1033157821, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1265811525) · Data from the CMS NPPES public registry.