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THE AUSTIN DIAGNOSTIC CLINIC, PLLC
NPI 1548248750
Internal Medicine - Gastroenterology in Austin, TX

Active since January 06, 2006
12221 MO PAC EXPWY NORTH, DEPT OF GASTROENTEROLOGY, AUSTIN, TX 78758(512) 901-4007(512) 901-3907 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 20, 2025, Nov 14, 2025, Jun 21, 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 1548248750) is a healthcare organization registered as a gastroenterology in Austin, Texas and active in the NPI registry since January 2006. The organization lists Nicholas Wadlington, Group Vice President, as its authorized official.

NPPES Registry Identity

NPI1548248750
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameTHE AUSTIN DIAGNOSTIC CLINIC, PLLC
Location Address12221 MO PAC EXPWY NORTH, DEPT OF GASTROENTEROLOGYAustin, TX 78758
Mailing Address2000 Health Park DrBrentwood, TN 37027-4692 · (615) 373-7406
Phone(512) 901-4007
Fax(512) 901-3907
Organization SubpartNo
Authorized OfficialNicholas WadlingtonGroup Vice President · (615) 372-7332
Enumeration DateJanuary 6, 2006
Last NPPES UpdateNovember 20, 20253 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1548248750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
12221 MO PAC EXPWY NORTH, Austin, TX 78758
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Other Identifiers 2

Medicaid140347907TX
Medicaid140347955TX

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 ›

Other Providers at the Same Location NPPES 8

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

AUSTIN DIAGNOSTIC CLINIC, PA
Physical Therapist
12221 MO PAC EXPWY NORTH, DEPT OF PHYSICAL THERAPY
AUSTIN, TX 78758
Travis County (512) 901-4402
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Dermatology
12221 MO PAC EXPWY NORTH, DEPT OF DERMATOLOGY
AUSTIN, TX 78758
Travis County (512) 901-4004
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Internal Medicine (Cardiovascular Disease)
12221 MO PAC EXPWY NORTH, DEPT OF CARDIOLOGY
AUSTIN, TX 78758
Travis County (512) 901-4001
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Psychiatry & Neurology (Neurology)
12221 MO PAC EXPWY NORTH, DEPT OF NEUROLOGY
AUSTIN, TX 78758
Travis County (512) 901-4011
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Internal Medicine (Nephrology)
12221 MO PAC EXPWY NORTH, DEPT OF NEPHROLOGY
AUSTIN, TX 78758
Travis County (512) 901-4402
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Ophthalmology
12221 MO PAC EXPWY NORTH, DEPT OF OPHTHALMOLOGY
AUSTIN, TX 78758
Travis County (512) 901-4014
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Urology
12221 MO PAC EXPWY NORTH, DEPT OF UROLOGY
AUSTIN, TX 78758
Travis County (512) 901-4021
THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Otolaryngology
12221 MO PAC EXPWY NORTH, DEPT OF ENT
AUSTIN, TX 78758
Travis County (512) 901-4006

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 1548248750. It was assigned to this organization in the NPPES registry on January 6, 2006.

Where is The Austin Diagnostic Clinic, PLLC located?

The Austin Diagnostic Clinic, PLLC is located at 12221 Mo Pac Expwy North Dept Of Gastroenterology, Austin, TX 78758. The listed phone number is (512) 901-4007.

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

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

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 3 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 9 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.