Radiation Oncology in Stanford, California
Data updated monthly · Last refresh September 2026
43 Radiation Oncology providers practice in Stanford, and 26% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Stanford
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Adam Bartret, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Andrew Martella, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Anusha Kalbasi, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Beth Beadle, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Beth Neilsen, MD, PHDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Billy Loo, MD, PHDStanford, CA · $144 in drug and device payments (2025) · Telehealth ·
(650) 736-7143 Dr. Carol Marquez, MDStanford, CA · $147 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Catherine Salem, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Clement Ho, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Daniel Kapp, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6171 Dr. Daniella Klebaner, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Elham Rahimy, M.D.Stanford, CA · $27 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Elizabeth Kidd, M.D.Stanford, CA · $184 in drug and device payments (2025) · Telehealth ·
(650) 723-6171 Dr. Everett Moding, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(336) 832-7272 Dr. Faisal Ahmed, MDStanford, CA · $47 in drug and device payments (2025) ·
(650) 723-6171 Dr. Farhan Amanullah, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-8463 Dr. Hilary Bagshaw, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 736-2457 Dr. Jason Ross, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Jennifer Jones, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6171 Dr. Kathleen Horst, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 736-7715 Dr. Kevin Day, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4527 Dr. Lynn Million, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-5055 Dr. Mallika Marar, MDStanford, CA · $135 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Mark Buyyounouski, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Maximilian Diehn, M.D./PH.D.Stanford, CA · $6,465 in drug and device payments (2025) · Telehealth ·
(650) 723-6171 Dr. Melanie Smitt, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 498-5710 Dr. Michael Binkley, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Michael Clarke, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 498-5710 Dr. Nam Cho, M.D., PH.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-6661 Dr. Nicholas Trakul, MD, PHDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Noah Kastelowitz-lieberman, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Quynh-thu Le, M.D.Stanford, CA · $9,669 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Richard Hoppe, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-5510 Dr. Rishabh Chaudhari, MDStanford, CA · $46 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Sammy Ashouri, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 725-1812 Dr. Sandra Zaky, MDStanford, CA · $47 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Santino Butler, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Sarah Donaldson, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Scott Bratman, MD, PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6171 Dr. Scott Soltys, MDStanford, CA · $1,412 in drug and device payments (2025) · Telehealth ·
(650) 724-1569 Dr. Steven Hancock, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6440 Dr. Wendy Hara, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 725-4779 Dr. Yushen Qian, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Common questions
How many Radiation Oncology providers are in Stanford, California?There are 43 Radiation Oncology providers with active NPI records practicing in Stanford, according to federal NPPES data refreshed monthly.
How many Radiation Oncology providers in Stanford received drug or device company payments?11 of 43 (26%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Stanford Radiation Oncology across California