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AUSTEX PEDIATRICS
NPI 1144415803
Pediatrics in Austin, TX

Active since September 06, 2007CLIA 45D0504786 · Waiver
1305 W 34TH ST STE 210, AUSTIN, TX 78705(512) 454-0406(512) 454-4380 Get Directions Write a Review

NPPES record last updated: January 30, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 30, 2017, Jan 26, 2017 (2 updates tracked since 2017).

About Austex Pediatrics NPPES

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

AUSTEX PEDIATRICS (NPI 1144415803), doing business as William D. Caldwell Md Pa, is a healthcare organization registered as a pediatrics in Austin, Texas and active in the NPI registry since September 2007. The organization holds a CLIA Waiver certificate valid through December 31, 2026 and lists Melody Cassels, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1144415803
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameAUSTEX PEDIATRICS
Location Address1305 W 34TH ST STE 210Austin, TX 78705-1922
Mailing Address1305 W 34th St Ste 210Austin, TX 78705-1922 · (512) 454-0406 · Fax (512) 454-4380
Phone(512) 454-0406
Fax(512) 454-4380
Organization SubpartNo
Authorized OfficialMelody CasselsPhysician/owner · (512) 454-0406
Enumeration DateSeptember 6, 2007
Last NPPES UpdateJanuary 30, 20172 updates tracked since enumeration
✔ NPI 1144415803 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in TX · E9138
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1305 W 34TH ST STE 210, Austin, TX 78705
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Other Names 1

Former Legal Business NameWilliam D. Caldwell Md Pa

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Waiver 45D0504786

Austex Pediatrics, PA · Austin, TX
Active · expires Dec 31, 2026
CLIA Number45D0504786
Laboratory TypePhysician Office
Certificate Effective DateJanuary 1, 2025
Certificate Expiration DateDecember 31, 2026
Laboratory DirectorDr. Melody D. Cassels
Laboratory Phone(512) 454-0406
Laboratory LocationAustex Pediatrics, PA5100 West Us 290 Building 2, Suite 110, Austin, TX 78735
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. MELODY CASSELS MD
Pediatrics
1305 W 34TH ST STE 210
AUSTIN, TX 78705
Travis County (512) 454-0406

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 Austex Pediatrics's NPI number?

The NPI number for Austex Pediatrics is 1144415803. It was assigned to this organization in the NPPES registry on September 6, 2007. The provider was formerly known as William D. Caldwell MD PA.

Where is Austex Pediatrics located?

Austex Pediatrics is located at 1305 W 34th St Ste 210, Austin, TX 78705. The listed phone number is (512) 454-0406.

What is Austex Pediatrics's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Austex Pediatrics hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0504786) is associated with this NPI, valid through December 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Austex Pediatrics was last updated on January 30, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.