Kristen Brewer Koester, M.D.
Diagnostic Radiology Physician · Llano, TX
Kristen Brewer Koester, M.D. is a diagnostic radiology physician with a practice address in Llano, Texas, and NPI 1821171646, issued on Oct 23, 2006. Check the license (Texas N0178, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kristen Brewer Koester
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- N0178 TX
LL 262025 SC
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Ollie St, Llano, TX 78643
- Phone
- (325) 247-7860
- Enumerated
- Oct 23, 2006
- Record last updated
- Jan 10, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 197245701 TX
- Medicare enrollment
- Enrolled (PECOS I20080821000615); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 200 W Ollie St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Barker, M.D.Diagnostic Radiology Physician1538119078
- Steve Sheldon Bongcawel, DPTGeriatric Physical Therapist1366154650
- Cynthia Chase, R.D.,L.D.Registered Dietitian1588804330
- Howell Cone, M.D.Diagnostic Radiology Physician1114978640
- Randall Grimshaw, MDFamily Medicine Physician1316929961
- Kelly Tarpley, RD LDRegistered Dietitian1598749723
Verify Kristen Brewer Koester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N0178Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 89.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Northgate Medical Imaging LLCSan Antonio, TX
- Radiology Associates IncSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Brewer Koester among 3,124 diagnostic radiology physician records in Texas
Kristen Brewer Koester, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2002 · median 2003 among the 2,277 with a school on file
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 diagnostic radiology physician records list a practice address in Llano
They are 4 of the 49 NPPES records with a practice address in Llano, and 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Llano → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Kevin Barker, M.D.Llano, TX 786431538119078
- Howell Cone, M.D.Llano, TX 786431114978640
- Nelson Uzquiano, MDLlano, TX 786431477549830
- Brett Deatherage, M.D.Kyle, TX 786401669821070
- Patricia Lowry, MDGeorgetown, TX 786331942397716
- Laurel Zollars, M.D.Georgetown, TX 786331740234459
- Steven Bowman, M.D.Marble Falls, TX 786541477528610
- John Calder, M.D.Marble Falls, TX 786541740240829
Common questions
What is Kristen Brewer Koester, M.D.'s NPI number?
Kristen Brewer Koester, M.D.'s National Provider Identifier (NPI) is 1821171646, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Brewer Koester, M.D. located?
The NPPES record lists a practice address at 200 W Ollie St, Llano, TX, 78643. Phone: (325) 247-7860. Providers update this record themselves, so call before visiting.
How can I verify Kristen Brewer Koester, M.D.'s license?
NPPES lists Texas license number N0178, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Kristen Brewer Koester, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.