Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ISABEL HSU GARZA RDN, LD
NPI 1679084230
Dietitian, Registered in Austin, TX

Active since October 22, 2017
5900 BALCONES DR STE 100, AUSTIN, TX 78731(281) 840-7088 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2026, Dec 18, 2019, Oct 22, 2017 (3 updates tracked since 2017).

About Isabel Hsu Garza Rdn, Ld NPPES

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

ISABEL HSU GARZA RDN, LD (NPI 1679084230) is an individual dietitian, registered in Austin, Texas, licensed in Texas (DT84790) and active in the NPI registry since October 2017. She is a graduate of Other (2016).

NPPES Registry Identity

NPI1679084230
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameISABEL HSU GARZACredential: RDN, LD
Location Address5900 BALCONES DR STE 100Austin, TX 78731-4298
Mailing Address5900 Balcones Dr Ste 100Austin, TX 78731-4298 · (281) 840-7088
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateOctober 22, 2017
Last NPPES UpdateSeptember 30, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2026
✔ NPI 1679084230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in TX · DT84790
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
5900 BALCONES DR STE 100, Austin, TX 78731

Other Names 1

Former Name (1)Isabel Samella Hsu Rdn, Ld

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabel Hsu Garza Rdn, Ld is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214409838
PECOS Enrollment IDI20260615004271

Medicare Billing Reassignment

Medicare enrollment records show Isabel Garza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physical Therapist
7525 METROPOLITAN DR STE 306
San Diego, CA 92108
  • Reassigned Medicare billing, Texas enrollment
  • 6 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.

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.

Clinic/Center (Adult Mental Health)
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Counselor (Professional)
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Nurse Practitioner (Psychiatric/Mental Health)
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Social Worker (Clinical)
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Counselor (Mental Health)
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Counselor (Professional)
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Clinic/Center (Mental Health (Including Community Mental Health Center))
5900 BALCONES DR STE 100
AUSTIN, TX 78731
Counselor
5900 BALCONES DR STE 100
AUSTIN, TX 78731

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 Isabel Garza's NPI number?

The NPI number for Isabel Garza is 1679084230. It was assigned to this individual provider in the NPPES registry on October 22, 2017. The provider is also known as Isabel Samella Hsu Rdn, Ld.

Where is Isabel Garza located?

Isabel Garza practices at 5900 Balcones Dr Ste 100, Austin, TX 78731. The listed phone number is (281) 840-7088.

What is Isabel Garza's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Isabel Garza enrolled in Medicare?

Yes. Isabel Garza is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabel Garza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabel Garza reassigns Medicare benefits to Livara Health Medical Group PC (San Diego, CA). The 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 Isabel Garza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Isabel Garza was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.