Radiation Oncology in La Jolla, California
Data updated monthly · Last refresh September 2026
15 Radiation Oncology providers practice in La Jolla. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in La Jolla
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. Ajay Pal Sandhu, M.D.La Jolla, CA · $194 in drug and device payments (2025) · Telehealth ·
(858) 822-6055 Dr. Brent Rose, M.D.La Jolla, CA · $422 in drug and device payments (2025) · Telehealth ·
(619) 341-3899 Dr. Catheryn Yashar, M.DLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 822-6055 Dr. Chien Chen, M.D., PH.D.La Jolla, CA · $1,035 in drug and device payments (2025) · Telehealth ·
(415) 971-9313 Dr. Cynthia Chasan, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 395-5760 Dr. Daniel Simpson, M.D.La Jolla, CA · No drug or device payments recorded (2025) · Telehealth ·
(858) 822-6040 Dr. David Hodgens, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-6864 Dr. James Murphy, MDLa Jolla, CA · No drug or device payments recorded (2025) ·
(858) 822-6040 Dr. Jean Mefferd, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 626-6864 Dr. Jona Hattangadi-gluth, MDLa Jolla, CA · $55 in drug and device payments (2025) · Telehealth ·
(858) 822-6040 Dr. Kevin Murphy, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(858) 822-6046 Dr. Loren Mell, M.D.La Jolla, CA · $13,992 in drug and device payments (2025) · Telehealth ·
(858) 822-6040 Dr. Ray Lin, M.D.La Jolla, CA · $1,216 in drug and device payments (2025) · Telehealth ·
(858) 554-2000 Dr. Stephen Seagren, M.D.La Jolla, CA · No drug or device payments recorded (2025) ·
(585) 822-6040 Dr. Sunil Advani, M.D.La Jolla, CA · $23 in drug and device payments (2025) · Telehealth ·
(858) 822-4364 Common questions
How many Radiation Oncology providers are in La Jolla, California?There are 15 Radiation Oncology providers with active NPI records practicing in La Jolla, according to federal NPPES data refreshed monthly.
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 La Jolla Radiation Oncology across California
