DR. DIRK ANDREW KOESTER M.D.
NPI 1801979109
Radiology - Diagnostic Radiology in Austin, TX
About Dr. Dirk Andrew Koester M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIRK ANDREW KOESTER M.D. (NPI 1801979109) is an individual diagnostic radiology provider in Austin, Texas, licensed in Texas (N0177) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Floyd, and is a graduate of Indiana University School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Dirk Andrew Koester M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Dirk Koester reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78727
- Reassigned Medicare billing, Texas enrollment
- 187 clinicians in this Medicare group
Shenandoah, TX 77380
- Reassigned Medicare billing, Texas enrollment
- 1,278 clinicians in this Medicare group
New Albany, IN 47150
- Reassigned Medicare billing, Indiana and Texas enrollments
- 43 clinicians in this Medicare group
Louisville, KY 40204
- Reassigned Medicare billing, Kentucky enrollment
- 52 clinicians in this Medicare group
Jeffersonville, IN 47130
- Reassigned Medicare billing, Texas enrollment
- 7 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 86
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Health Floyd
Acute Care Hospitals · New Albany, INHarrison County Hospital
Critical Access Hospitals · Corydon, INBaptist Health Hardin
Acute Care Hospitals · Elizabethtown, KYBaptist Health Lexington
Acute Care Hospitals · Lexington, KYBaptist Health Lagrange
Acute Care Hospitals · La Grange, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78727 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUSTIN, TX 78727
AUSTIN, TX 78727
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dirk Koester's NPI number?
The NPI number for Dirk Koester is 1801979109. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Dirk Koester located?
Dirk Koester practices at 12554 Riata Vista Cir, Austin, TX 78727. The listed phone number is (512) 795-5100.
What is Dirk Koester's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Dirk Koester enrolled in Medicare?
Yes. Dirk Koester is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Dirk Koester's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dirk Koester reassigns Medicare benefits to 5 organizations: Austin Radiological Association (Austin, TX), Singleton Associates PA (Shenandoah, TX), Northgate Medical Imaging LLC (New Albany, IN), Knd Development 59 LLC (Louisville, KY) and Radiology Associates Inc (Jeffersonville, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dirk Koester's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dirk Koester accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Dirk Koester as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Dirk Koester affiliated with any hospitals?
According to CMS data, Dirk Koester is affiliated with Baptist Health Floyd, Harrison County Hospital, Baptist Health Hardin, Baptist Health Lexington and Baptist Health Lagrange.
When was this NPI record last updated?
The NPPES record for Dirk Koester was last updated on April 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.