NSTX, INC
NPI 1235528225
Clinical Medical Laboratory in Austin, TX

Active since January 14, 2015CLIA 45D2093704 · Accreditation
13011 MCCALLEN PASS STE 100, AUSTIN, TX 78753(650) 249-9090(650) 489-3826 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 30, 2025, Sep 12, 2025, Oct 17, 2023 and 4 more (7 updates tracked since 2019).

About Nstx, Inc NPPES

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

NSTX, INC (NPI 1235528225) is a healthcare organization registered as a clinical medical laboratory in Austin, Texas and active in the NPI registry since January 2015. The organization holds an CLIA Accreditation certificate valid through December 22, 2026 and lists Matthew Mega, Sr Vice President, as its authorized official.

NPPES Registry Identity

NPI1235528225
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameNSTX, INC
Location Address13011 MCCALLEN PASS STE 100Austin, TX 78753-5381
Mailing Address13011 Mccallen Pass Ste 100Austin, TX 78753-5381 · (650) 249-9090 · Fax (650) 489-3826
Fax(650) 489-3826
Organization SubpartYesParent: Natera, Inc.
Authorized OfficialMatthew MegaSr Vice President · (650) 249-9090
Enumeration DateJanuary 14, 2015
Last NPPES UpdateDecember 30, 20257 updates tracked since enumeration
NPPES CertifiedDecember 30, 2025
NPI 1235528225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
13011 MCCALLEN PASS STE 100, Austin, TX 78753

Accepted Insurance

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 45D2093704

Nstx, Inc · Austin, TX
Active · expires Dec 22, 2026
CLIA Number45D2093704
Laboratory TypeIndependent
Certificate Effective DateDecember 23, 2024
Certificate Expiration DateDecember 22, 2026
Laboratory DirectorDr. Jennifer D. Keen-Kim
Laboratory Phone(650) 249-9090
Laboratory LocationNstx, Inc13011 Mccallen Pass, Building A, Suite 100, Austin, TX 78753
CLIA data matches this NPI record on: Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Genetic Counselor, MS
13011 MCCALLEN PASS STE 100
AUSTIN, TX 78753

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 Nstx, Inc's NPI number?

The NPI number for Nstx, Inc is 1235528225. It was assigned to this organization in the NPPES registry on January 14, 2015.

Where is Nstx, Inc located?

Nstx, Inc is located at 13011 Mccallen Pass Ste 100, Austin, TX 78753. The listed phone number is (650) 249-9090.

What is Nstx, Inc's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Nstx, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 45D2093704) is associated with this NPI, valid through December 22, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Nstx, Inc accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care, Ambetter from Home State Health and Ambetter from NH Healthy Families and 20 other insurers list Nstx, Inc 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.

When was this NPI record last updated?

The NPPES record for Nstx, Inc was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.