Seth D. O'Brien, MD

Diagnostic radiologist in Austin, Texas · NPI 1053420026

Seth O'Brien is one of 298 diagnostic radiologists practicing in Austin, Texas. Seth O'Brien practices with Austin Radiological Association and Singleton Associates PA.

Registry record (NPPES)

NPI: 1053420026
Type: Type 1 · Individual
Primary taxonomy: Radiology, Diagnostic Radiology · 2085R0202X
Address on file: 12554 Riata Vista Cir
Austin, TX 78727-6431
(512) 795-5100
Enumerated: Aug 30, 2006
Record last updated: Jul 21, 2022
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Diagnostic Radiology
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

4201 Marathon Blvd Suite 300
Austin, TX 78756
(713) 461-3573
6818 Austin Ctr Blvd Suite 101
Austin, TX 78731
(512) 795-8505
12800 W Parmer Lane Suite 200
Cedar Park, TX 78613
(512) 485-7199
170 Benney Ln Suite 101
Dripping Springs, TX 78620
(512) 776-1176
2000 Scenic Dr
Georgetown, TX 78626
(512) 930-5338
4211 Benner Suite 100
Kyle, TX 78640
(512) 776-1150
12700 Lexington St Unit 300
Manor, TX 78653
(512) 776-1158
2610 Green Falls Ct
San Antonio, TX 78258
(512) 795-5100
2619 Green Falls Ct
San Antonio, TX 78258
(512) 795-5100
1348 N Hwy 123 Suite B
San Marcos, TX 78666
(512) 392-1831

More diagnostic radiologists in Austin

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.