Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Dirk Andrew Koester, MD

Individual provider Diagnostic Radiology Physician · NPI 1801979109

Dr. Dirk Andrew Koester, MD is a Diagnostic Radiology in Austin, Texas. Graduated from Indiana University School of Medicine in 2002, 24 years ago. Practices with Northgate Medical Imaging LLC, a 43-clinician group and accepts Medicare assignment. Licensed in South Carolina and Texas.

Years since qualifying
24
Trained at
Indiana University School of Medicine
Licensed in
SC, TX
In the registry since
2006
Specialties on file
2
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 N0177 (TX)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 24523 (SC)

Record details

NPI number1801979109
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESApril 5, 2021
Certification dateApril 5, 2021

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesINTERVENTIONAL RADIOLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Northgate Medical Imaging Llc — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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