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Radiation Oncology in California

Data updated monthly · Last refresh August 2026

732 Radiation Oncology providers practice in California, including 310 (42%) offering telehealth. The largest concentration is in Los Angeles. Profiles include Medicare quality scores where available.

732providers
310telehealth
Los Angelestop city

Radiation Oncology providers by city in California

Los Angeles96 providers
San Francisco44 providers
Stanford43 providers
San Diego41 providers
Sacramento31 providers
Orange19 providers
Duarte17 providers
La Jolla15 providers

Highest rated Radiation Oncology providers in California

Dr. Sukhjeet Batth, M.D.
Fresno, CA · Quality score 100/100 · Telehealth · (559) 326-1222
Dr. David Ly, MD
Visalia, CA · Quality score 100/100 · (559) 624-3100
Dr. Paul Pagnini, M.D.
Templeton, CA · Quality score 100/100 · Telehealth · (805) 434-1408
Dr. Loren Mell, M.D.
La Jolla, CA · Quality score 100/100 · Telehealth · (858) 822-6040
Dr. Joseph Kang, M.D., PH.D.
Loma Linda, CA · Quality score 100/100 · Telehealth · (909) 552-8056
Dr. Encouse Golden, MD, PHD
San Francisco, CA · Quality score 100/100 · Telehealth · (415) 476-1000
Dr. Sander Saidman, M.D.
Redding, CA · Quality score 100/100 · (530) 243-1236
Dr. Alireza Mahmoudieh, MD
Merced, CA · Quality score 100/100 · Telehealth · (209) 726-3410
Dr. Parag Sanghvi, M.D., M..S.P.H.
San Diego, CA · Quality score 100/100 · Telehealth · (800) 926-8273
Dr. Morteza Dowlatshahi, M.D.
San Jose, CA · Quality score 100/100 · (408) 729-4673
Dr. Rakesh Patel, MD
Los Gatos, CA · Quality score 100/100 · (408) 358-8400
Dr. Yuchi Peng, MD
Palmdale, CA · Quality score 100/100 · (661) 729-2316
Dr. David Greene, M.D.
Salinas, CA · Quality score 100/100 · Telehealth · (858) 603-0172
Dr. Ly Do, M.D.
San Jose, CA · Quality score 100/100 · (408) 729-4673
Dr. Christian Anderson, M.D.
Napa, CA · Quality score 100/100 · (707) 252-4633
Dr. Ajay Pal Sandhu, M.D.
La Jolla, CA · Quality score 100/100 · Telehealth · (858) 822-6055
Dr. Raymond Tan, MD
Fresno, CA · Quality score 100/100 · (559) 437-1000
Dr. Jedidiah Monson, MD
Fresno, CA · Quality score 100/100 · (559) 326-1222
Dr. David Hoopes, M.D.
San Diego, CA · Quality score 100/100 · Telehealth · (937) 367-3966
Dr. Andrew Sharabi, M.D., PH.D.
San Diego, CA · Quality score 100/100 · (619) 543-1899

Common questions

How many Radiation Oncology providers are in California?

There are 732 Radiation Oncology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Radiation Oncology providers in California offer telehealth?

Yes. 310 of the 732 Radiation Oncology providers in California (about 42%) report offering telehealth services in CMS data.

Which cities in California have the most Radiation Oncology providers?

Los Angeles (96), San Francisco (44), Stanford (43) have the highest concentration of Radiation Oncology providers in California.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

Related reading on HealthcareDiscovery.AI

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Radiation Oncology in California? Get featured.