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THE AUSTIN DIAGNOSTIC CLINIC, PLLC
NPI 1003259763
Pathology - Anatomic Pathology & Clinical Pathology in Austin, TX

Active since April 12, 2013CLIA 45D2333198 · Waiver
12221 N MOPAC EXPY, AUSTIN, TX 78758(512) 901-1111(512) 901-3945 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 20, 2025, Nov 14, 2025, Jun 25, 2018 (3 updates tracked since 2018).

About The Austin Diagnostic Clinic, Pllc NPPES

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

THE AUSTIN DIAGNOSTIC CLINIC, PLLC (NPI 1003259763) is a healthcare organization registered as an anatomic pathology & clinical pathology in Austin, Texas and active in the NPI registry since April 2013. The organization holds a CLIA Waiver certificate valid through October 29, 2027 and lists Nicholas Wadlington, Group Vice President, as its authorized official.

NPPES Registry Identity

NPI1003259763
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameTHE AUSTIN DIAGNOSTIC CLINIC, PLLC
Location Address12221 N MOPAC EXPYAustin, TX 78758
Mailing Address2000 Health Park DrBrentwood, TN 37027-4692 · (615) 373-7406
Phone(512) 901-1111
Fax(512) 901-3945
Organization SubpartNo
Authorized OfficialNicholas WadlingtonGroup Vice President · (615) 372-7332
Enumeration DateApril 12, 2013
Last NPPES UpdateNovember 20, 20253 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1003259763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedTechnician, Pathology · PhlebotomyTaxonomy 246RP1900X
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X
12221 N MOPAC EXPY, Austin, TX 78758
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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 Waiver 45D2333198

The Austin Diagnostic Clinic · Georgetown, TX
Active · expires Oct 29, 2027
CLIA Number45D2333198
Laboratory TypePhysician Office
Certificate Effective DateOctober 30, 2025
Certificate Expiration DateOctober 29, 2027
Laboratory DirectorJonathan Heckhart
Laboratory Phone(512) 901-1111
Laboratory LocationThe Austin Diagnostic Clinic3201 S Austin Ave Suite 205, Georgetown, TX 78626
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 20

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

LAUREN VAN ORDEN CCC-SLP
Speech-Language Pathologist
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-6481
JULIE A BELL OTR/L
Occupational Therapist (Physical Rehabilitation)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
MR. MATTHEW JEFFREY DOHERTY CRNA
Nurse Anesthetist, Certified Registered
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
FATIMOH OYEDELE MD
Emergency Medicine
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
DR. TARIQ E THANNOUN MD
Internal Medicine (Interventional Cardiology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 334-8999
RICHARD D. TALLMAN MD
Psychiatry & Neurology (Neurology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-4011
DR. BERNARD A. LYNCH M.D.
Obstetrics & Gynecology
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
JONATHAN CALVIN HECKART DO
Internal Medicine (Endocrinology, Diabetes & Metabolism)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-4005

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 The Austin Diagnostic Clinic, PLLC's NPI number?

The NPI number for The Austin Diagnostic Clinic, PLLC is 1003259763. It was assigned to this organization in the NPPES registry on April 12, 2013.

Where is The Austin Diagnostic Clinic, PLLC located?

The Austin Diagnostic Clinic, PLLC is located at 12221 N Mopac Expy, Austin, TX 78758. The listed phone number is (512) 901-1111.

What is The Austin Diagnostic Clinic, PLLC's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Does The Austin Diagnostic Clinic, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2333198) is associated with this NPI, valid through October 29, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does The Austin Diagnostic Clinic, PLLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 2 other insurers list The Austin Diagnostic Clinic, PLLC 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 The Austin Diagnostic Clinic, PLLC was last updated on November 20, 2025. 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.