Dr. Kathleen Claire Horst, MD

Dr. Horst practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Horst's NPI, 1144385386, was assigned on December 27, 2006. Dr. Horst graduated from Stanford University School Of Medicine in 1999. Dr. Horst holds California license A72961.

Dr. Horst's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Dr. Horst's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Horst to 1 more hospital and 1 group practice or clinic, each named with a free account. Dr. Horst's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horst practices, 3 sites in all. Vendor and product names are available with a free account.

Radiation oncology is Dr. Horst's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Horst is board certified in radiation oncology by the American Board of Radiology. Dr. Horst is licensed in California.

Dmand AI lists bladder cancer radiation, bone cancer radiation, breast cancer radiation and pancreatic cancer radiation among the conditions Dr. Horst treats.

CMS data shows 1,298 Medicare services from Dr. Horst across 14 procedure codes in 2024, for 212 Medicare patients. Medicare paid $104,580 for them.

CMS counts 212 Medicare patients who saw Dr. Horst in 2024. The largest group is 65 to 74, with 110 patients. 75% of them have cancer, and 72% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Horst's median patient age at 58, with 87% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Horst for performance year 2024, reported as part of a group. Dr. Horst accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Horst as offering telehealth.

Dmand AI links 76 papers to Dr. Horst, published from 2011 to 2025. 2020 was the busiest year, with 13. The most frequent topics are Breast Neoplasms, Mastectomy and Mastectomy, Segmental. Dr. Horst has published most often in Clin Breast Cancer. Dr. Horst's most frequent co-authors are Frederick M. Dirbas, MD, Erqi Liu Pollom and Daniel Tandel Chang, MD.

Dmand AI links Dr. Horst to 8 clinical trials, 3 of them phase 2 studies. 2 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Brain Neoplasms. Stanford University sponsors the most, 5.

Dmand AI lists 1 award for Dr. Horst, most recently CMS Stage 1 EHR in 2013.

Dr. Horst graduated from Stanford University School Of Medicine in 1999.

Dr. Horst is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.