THE AUSTIN DIAGNOSTIC CLINIC, PLLC
NPI 1073591202
Internal Medicine in Austin, TX

Active since January 06, 2006
12221 N MO PAC EXPY, DEPT OF INTERNAL MEDICINE, AUSTIN, TX 78758(512) 901-4009(512) 901-3909 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 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 1073591202) is a healthcare organization registered as an internal medicine 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

NPI1073591202
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTHE AUSTIN DIAGNOSTIC CLINIC, PLLC
Location Address12221 N MO PAC EXPY, DEPT OF INTERNAL MEDICINEAustin, TX 78758
Mailing Address2000 Health Park DrBrentwood, TN 37027-4692 · (615) 373-7406
Fax(512) 901-3909
Organization SubpartNo
Authorized OfficialNicholas WadlingtonGroup Vice President · (804) 446-9440
Enumeration DateJanuary 6, 2006
Last NPPES UpdateNovember 20, 20253 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1073591202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedNurse PractitionerTaxonomy 363L00000X
12221 N MO PAC EXPY, Austin, TX 78758

Other Identifiers 1

Medicaid140347921TX

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

The Austin Diagnostic Clinic, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

126

Medicare enrollment records show 126 clinicians reassign Medicare billing to The Austin Diagnostic Clinic, PLLC, which bills Medicare for the services they deliver. Of these, 46 practice at this address and 80 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 22

Nurse Practitioner22
Internal Medicine20
Family Practice19
Pediatric Medicine14
Nephrology11
Obstetrics/Gynecology7
Endocrinology5
Cardiovascular Disease (Cardiology)3
14 other specialties25

Nearest to this location (20)

See all 126
Gastroenterology
NPI 1134237746
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4007
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1720053085
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4014
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1619123775
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4009
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1164405833
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4009
✔ PECOSSame address
Nephrology
NPI 1932174299
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4010
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1417922741
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4013
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1174873988
12221 N MOPAC EXPY STE 100
Austin, TX 78758
(512) 901-4010
✔ PECOS✔ Accepts MedicareSame address
Physical Medicine and Rehabilitation
NPI 1386901072
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4011
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1447647649
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4007
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1881658821
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4013
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1992048185
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4005
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1386712040
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-1111
✔ PECOS✔ Accepts MedicareSame address
Podiatry
NPI 1992157788
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4015
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1609220060
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4009
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1225363153
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4005
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1487095717
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4005
✔ PECOS✔ Accepts MedicareSame address
Allergy/Immunology
NPI 1528250149
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4002
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1730170960
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4009
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1902860976
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4011
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1558467407
12221 N MOPAC EXPY
Austin, TX 78758
(512) 901-4014
✔ PECOS✔ Accepts MedicareSame address
See all 126 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 1073591202. 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 N Mo Pac Expy Dept Of Internal Medicine, Austin, TX 78758. The listed phone number is (512) 901-4009.

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

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is The Austin Diagnostic Clinic, PLLC enrolled in Medicare?

Yes. The Austin Diagnostic Clinic, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through The Austin Diagnostic Clinic, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 126 clinicians in 22 Medicare specialties reassign their Medicare billing to The Austin Diagnostic Clinic, PLLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (22), Internal Medicine (20) and Family Practice (19). Of these, 46 practice at this address and 80 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does The Austin Diagnostic Clinic, PLLC accept?

Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc. and Sendero Health Plans, Local Nonprofit 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 11 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.