The Austin Diagnostic Clinic
The Austin Diagnostic Clinic holds 20 active organization NPIs in the federal registry, with practice locations in 1 Texas city. Each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIAustin has the most NPIs, 20
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2005 and 2006
Source: CMS NPPES, enumeration dates.
15 NPIs were issued in 2006 alone, more than in any other year; none in 6 of the years between.
Austin locations
The city with the most The Austin Diagnostic Clinic NPIs. The full list of all 20 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1407839129 | 12221 N MO PAC EXPWY DEPT OF ALLERGY, Austin | Allergy & Immunology Physician | Nov 28, 2005 |
| 1104803816 | 12221 MO PAC EXPWY NORTH DEPT OF CARDIOLOGY, Austin | Cardiovascular Disease Physician | Dec 23, 2005 |
| 1013994722 | 12221 MO PAC EXPWY NORTH DEPT OF DERMATOLOGY, Austin | Dermatology Physician | Dec 23, 2005 |
| 1932186640 | 12221 N. MO PAC EXPY DEPT OF ENDOCRINOLOGY, Austin | Endocrinology, Diabetes & Metabolism Physician | Dec 23, 2005 |
| 1548248750 | 12221 MO PAC EXPWY NORTH DEPT OF GASTROENTEROLOGY, Austin | Gastroenterology Physician | Jan 6, 2006 |
| 1356329569 | 2400 CEDAR BEND DR DEPT OF FAMILY PRACTICE, Austin | Family Medicine Physician | Jan 6, 2006 |
| 1073591202 | 12221 N MO PAC EXPY DEPT OF INTERNAL MEDICINE, Austin | Internal Medicine Physician | Jan 6, 2006 |
| 1497729685 | 12221 MO PAC EXPWY NORTH DEPT OF NEPHROLOGY, Austin | Nephrology Physician | Feb 14, 2006 |
All 20 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1407839129 | 12221 N MO PAC EXPWY DEPT OF ALLERGY, Austin | Allergy & Immunology Physician | Nov 28, 2005 |
| 1104803816 | 12221 MO PAC EXPWY NORTH DEPT OF CARDIOLOGY, Austin | Cardiovascular Disease Physician | Dec 23, 2005 |
| 1013994722 | 12221 MO PAC EXPWY NORTH DEPT OF DERMATOLOGY, Austin | Dermatology Physician | Dec 23, 2005 |
| 1932186640 | 12221 N. MO PAC EXPY DEPT OF ENDOCRINOLOGY, Austin | Endocrinology, Diabetes & Metabolism Physician | Dec 23, 2005 |
| 1548248750 | 12221 MO PAC EXPWY NORTH DEPT OF GASTROENTEROLOGY, Austin | Gastroenterology Physician | Jan 6, 2006 |
| 1356329569 | 2400 CEDAR BEND DR DEPT OF FAMILY PRACTICE, Austin | Family Medicine Physician | Jan 6, 2006 |
| 1073591202 | 12221 N MO PAC EXPY DEPT OF INTERNAL MEDICINE, Austin | Internal Medicine Physician | Jan 6, 2006 |
| 1497729685 | 12221 MO PAC EXPWY NORTH DEPT OF NEPHROLOGY, Austin | Nephrology Physician | Feb 14, 2006 |
| 1568436764 | 12221 MO PAC EXPWY NORTH DEPT OF OPHTHALMOLOGY, Austin | Ophthalmology Physician | Feb 14, 2006 |
| 1265406466 | 12221 MO PAC EXPWY NORTH DEPT OF NEUROLOGY, Austin | Neurology Physician | Feb 14, 2006 |
| 1578537536 | 12221 MOPAC EXPRESSWAY N DEPT OF PHYSICAL MEDICINE, Austin | Physical Medicine & Rehabilitation Physician | Feb 15, 2006 |
| 1235103136 | 12221 MOPAC EXPRESSWAY NORTH DEPT OF OB/GYN, Austin | Obstetrics & Gynecology Physician | Feb 15, 2006 |
| 1912971961 | 12221 MO PAC EXPWY NORTH DEPT OF ENT, Austin | Otolaryngology Physician | Feb 15, 2006 |
| 1467426205 | 2400 CEDAR BEND DR DEPT OF PEDIATRICS, Austin | Pediatrics Physician | Feb 16, 2006 |
| 1669447926 | 12221 MOPAC EXPRESSWAY NORTH DEPT OF SURGERY, Austin | Surgery Physician | Feb 21, 2006 |
| 1740255926 | 12221 MO PAC EXPWY NORTH DEPT OF UROLOGY, Austin | Urology Physician | Feb 21, 2006 |
| 1386619641 | 12221 MOPAC EXPRESSWAY NORTH DEPT OF PULMONARY DISEASE, Austin | Pulmonary Disease Physician | Feb 21, 2006 |
| 1003881368 | 12221 N MO PAC EXPY DEPT OF RHEUMATOLOGY, Austin | Rheumatology Physician | Feb 21, 2006 |
| 1992770267 | 12221 MOPAC EXPRESSWAY NORTH DEPT OF PODIATRY, Austin | Podiatrist | Feb 21, 2006 |
| 1003259763 | 12221 N MOPAC EXPY, Austin | Anatomic Pathology & Clinical Pathology Physician | Apr 12, 2013 |
Related names
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does The Austin Diagnostic Clinic have 20 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. The Austin Diagnostic Clinic's NPIs list practice locations in 1 city.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.