Kathleen Claire Horst, M.D.
Kathleen Claire Horst is a Radiation Oncology Radiology specialist based in Stanford, CA with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Kathleen Claire Horst, M.D. has been part of the Stanford medical community since 2006 in group practice. She graduated from Stanford University School of Medicine in 1999 and has 27+ years of clinical experience. Among her Medicare patients, common conditions include cancer, high cholesterol, and hypertension (per CMS data). CMS MIPS quality score: 76.5/100 (2023).
At a glance
- Federal MIPS score higher than 30% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 6895dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
875 Blake Wilbur Dr Cc-G221a, Stanford, CA 94305
How Does This Doctor Compare?
MIPS Score
202376.5/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-7.1 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
167
Unique beneficiaries
Standard volumePrescription Recipients
12
Patients prescribed
Prescriptions Written
25
Total claims
Total Medicare drug cost: $693
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Cancer, High Cholesterol, and Hypertension.
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+54%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-3%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-18%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+19%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-18%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
Stanford University School of Medicine
27 years in practice
Experienced
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy: 2085R0001X
Education & Training
Stanford University School of Medicine (Class of 1999)
Mailing address
875 Blake Wilbur Dr Cc-G221a, Palo Alto, CA 94304-2205
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 200034
View hospital on Medicare Care CompareVirtual Radiation Oncology Care With Kathleen Claire Horst
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Kathleen Claire Horst for follow-up consultations, cholesterol management, blood pressure monitoring — no travel to Stanford required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Kathleen Claire Horst
NPI records show Dr. Horst as active with telehealth listed in Stanford, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 736-7715.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Kathleen Claire Horst
Practice Location
875 Blake Wilbur Dr Cc-G221a, Stanford, CA 94305
Mailing Address
875 Blake Wilbur Dr Cc-G221a, Palo Alto, CA 94304-2205
This is a provider directory. Contact the office directly to schedule appointments.
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