KRISTEN BREWER KOESTER M.D.
NPI 1821171646
Radiology - Diagnostic Radiology in Llano, TX

Q: What is Kristen Koester's NPI number?

The NPI number for Kristen Koester is 1821171646. It was assigned to this individual provider in the NPPES registry on October 23, 2006. The provider is also known as Kristen Michelle Brewer M.D..

Q: What is Kristen Koester's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Kristen Koester was last updated on January 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since October 23, 2006PECOS EnrolledAccepts Medicare Assignment

89.82/100

CMS Quality Rating

200 W OLLIE ST, LLANO, TX 78643(325) 247-7860 Get Directions Write a Review

NPPES record last updated: January 10, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Kristen Brewer Koester M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KRISTEN BREWER KOESTER M.D. (NPI 1821171646) is an individual diagnostic radiology provider in Llano, Texas, licensed in Texas (N0178) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Floyd, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2002).

NPPES Registry Identity

NPI1821171646

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameKRISTEN BREWER KOESTERCredential: M.D.

Location Address200 W OLLIE STLlano, TX 78643-2628

Mailing Address7418 John Smith, Suite 218San Antonio, TX 78229-6020 · (210) 614-0959 · Fax (210) 614-7522

Phone(325) 247-7860

Sole ProprietorNo

Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2002

Enumeration DateOctober 23, 2006

Last NPPES UpdateJanuary 10, 2009

✔ NPI 1821171646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in TX · N0178✔ Licensed in SC · LL 262025

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

200 W OLLIE ST, Llano, TX 78643

Open in Google Maps ↗

Other Names 1

Former Name (1)Kristen Michelle Brewer M.d.

Other Identifiers 4

OtherP00628198TX · Medicare Railroad

Medicare PIN8K9976TX

Other8M2156TX · Bcbs

Medicaid197245701TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CareSource and more.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

Kristen Brewer 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.

PECOS PAC ID7012082241

PECOS Enrollment IDI20080821000615, I20240125002698, I20260414002670

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Kristen Koester reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Austin Radiological Association

60 mi

Radiology

12554 RIATA VISTA CIR
Austin, TX 78727

Reassigned Medicare billing, Texas enrollment
187 clinicians in this Medicare group

NPI 1033196464 (512) 795-5100

Singleton Associates PA

196 mi

Diagnostic Radiology

9250 PINECROFT DR
Shenandoah, TX 77380

Reassigned Medicare billing, Texas enrollment
1,278 clinicians in this Medicare group

NPI 1487811766 (936) 266-2000

Northgate Medical Imaging LLC

900 mi

Diagnostic Radiology

807 NORTHGATE BLVD
New Albany, IN 47150

Reassigned Medicare billing, Indiana and Texas enrollments
43 clinicians in this Medicare group

NPI 1205894235 (812) 949-0807

Knd Development 59 LLC

900 mi

Hospitalist

1313 SAINT ANTHONY PL
Louisville, KY 40204

Reassigned Medicare billing, Kentucky enrollment
52 clinicians in this Medicare group

NPI 1164751756 (502) 587-7001

Radiology Associates Inc

901 mi

Diagnostic Radiology

1214 SPRING ST, SUITE 2
Jeffersonville, IN 47130

Reassigned Medicare billing, Texas enrollment
7 clinicians in this Medicare group

NPI 1851373435 (812) 283-5950

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 59

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

4,583 services51 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

307 services300 patients

Injection, gadoteridol, (prohance multipack), per ml A9576

Gadoteridol, found in ProHance Multipack, is a contrast agent used in MRI scans. It's injected into your body to help highlight certain areas, making them easier to see. This can assist in diagnosing various health conditions. It's generally safe with few side effects.

254 services19 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

140 services109 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

137 services135 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

135 services87 patients

Ct scan of abdomen and pelvis with contrast 74177

125 services99 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

109 services58 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

103 services101 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

97 services81 patients

Ct scan of chest with contrast 71260

80 services79 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

73 services55 patients

Ct scan of abdomen and pelvis without contrast 74176

65 services58 patients

Ct scan of chest without contrast 71250

63 services63 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

62 services49 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

60 services59 patients

X-ray of chest, 2 views 71046

56 services56 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

54 services31 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

46 services31 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

44 services30 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

36 services25 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

35 services20 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

35 services31 patients

Limited ultrasound scan of abdomen 76705

35 services35 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

34 services21 patients

X-ray of foot, minimum of 3 views 73630

33 services31 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

32 services32 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

30 services14 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

30 services19 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

29 services29 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

28 services19 patients

X-ray of hip, 2-3 views 73502

28 services28 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

28 services23 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

25 services20 patients

Mri scan of lower spinal canal without contrast 72148

25 services25 patients

X-ray of shoulder, minimum of 2 views 73030

25 services23 patients

X-ray of hand, 2 views 73120

An X-ray of the hand, 2 views, is a non-invasive imaging test that uses a small amount of radiation to produce pictures of the bones in your hand. Two different angles are captured to provide a comprehensive view. This helps in diagnosing injuries or conditions affecting your hand.

24 services12 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

24 services12 patients

Complete ultrasound scan behind abdominal cavity 76770

23 services16 patients

X-ray of knee, 3 views 73562

21 services18 patients

X-ray of knee, 1-2 views 73560

20 services12 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

19 services13 patients

Ct scan of abdomen and pelvis before and after contrast 74178

19 services19 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

18 services18 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

18 services15 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

18 services14 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

18 services12 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

17 services17 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

17 services17 patients

Mri scan of arm joint without contrast 73221

16 services16 patients

X-ray of lower and sacral spine, 2-3 views 72100

14 services14 patients

X-ray of hand, minimum of 3 views 73130

14 services13 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

14 services11 patients

Mri scan of upper spinal canal without contrast 72141

13 services13 patients

Mri scan of leg without contrast 73718

An MRI scan of the leg without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the structures in your leg, such as bones, muscles, and blood vessels. No contrast dye is used.

13 services11 patients

Ct scan of leg without contrast 73700

12 services12 patients

Mri scan of leg without contrast 73718

12 services12 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

11 services11 patients

Ct scan of arm without contrast 73200

11 services11 patients

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, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150044

Location1850 State StNew Albany, IN 47150 · Floyd County

Emergency services Birthing friendly

Harrison County Hospital

Critical Access Hospitals · Corydon, IN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number151331

Location1141 Hospital Dr NWCorydon, IN 47112 · Harrison County

Emergency services

Baptist Health Hardin

Acute Care Hospitals · Elizabethtown, KY

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number180012

Location913 North Dixie AvenueElizabethtown, KY 42701 · Hardin County

Emergency services

Baptist Health Lexington

Acute Care Hospitals · Lexington, KY

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number180103

Location1740 Nicholasville RoadLexington, KY 40503 · Fayette County

Emergency services Birthing friendly

Baptist Health Lagrange

Acute Care Hospitals · La Grange, KY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180138

Location1025 New Moody LaneLa Grange, KY 40031 · Oldham County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78643 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

89.82/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

96.92

Improvement Activities

Cost

71.7

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%62 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HOWELL ANSON CONE M.D.

Radiology (Diagnostic Radiology)