Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Andrew Williamson, MD

Individual provider Diagnostic Radiology Physician · NPI 1083732176

Dr. John Andrew Williamson, MD is a Diagnostic Radiology in Austin, Texas. Graduated from Duke University School of Medicine in 1998, 28 years ago. Practices with Austin Radiological Association, a 123-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
28
Trained at
Duke University School of Medicine
Licensed in
TX
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12554 Riata Vista Cir
Austin, TX 78727-6431
Phone: (512) 795-5100
Fax: (512) 795-5122
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence N3389 (TX)

Record details

NPI number1083732176
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2007
Last updated in NPPESMarch 15, 2018
Mailing address12554 Riata Vista Cir, Austin, TX 78727-6431

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Austin Radiological Association — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations13 on file with Medicare

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