P Praxis·MD
● Active Type 1 · Individual

DR. Dirk Andrew Koester, M.D.

Radiology·Austin, TX· NPI 1801979109 · Enumerated 2006 · 19 years on NPI
Koester is 1 of 148 radiology providers in Austin and 1 of 3776 in Texas.
NPI age
19 years
Enumerated 2006-10-23
Primary specialty
Radiology
Plus 1 subspecialty
Licensed in
TX, SC
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-04-05
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 3776 active radiology providers in Texas.

NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 81% — 18% of peers are multi-state
Subspecialties
0
36% of peers hold subspecialties

NPI lifetime · 2006 → 2026

2006-10Enumerated in NPPES
2006 2026

Where they practice

Practice location
12554 Riata Vista Cir
Austin, TX 787276431
📞 5127955100fax 5127955122
Mailing address
12554 Riata Vista Cir
Austin, TX 787276431
📞 5127955100fax 5127955122

Specialties

  • Radiology Primary
    A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
    TX license #N0177SC license #24523 taxonomy 2085R0202X

Identifiers

TypeValueNotes
01 (TX) 8M2155 BCBS
01 (TX) P00628197 MEDICARE RAILROAD
05 (TX) 197243201
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.

Practice context

Part of a multi-provider practice. 120 other active providers share this practice address in NPPES.

Recently enumerated nearby: 2 new radiology providers have been added in Austin in the last 180 days. See all →
Provyx · Custom healthcare lists

Need all 3776 Radiology providers in Texas?

Provyx verifies the list to your scope. Business emails and direct lines are looked up at delivery, validated, and not stored.

Request a quote →

How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

Related