California · Radiation Oncology Physician

Radiation Oncology Physician in California.

935 verified Radiation Oncology Physician providers practise in California according to the National Plan and Provider Enumeration System (NPPES). Browse by city below, or click any provider to view their full NPI record including taxonomy, address, and contact details.

2085R0001X935 in California170 citiesRefreshed monthly

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Los Angeles104 San Francisco51 Stanford44 San Diego44 Sacramento36 Orange21 Duarte17 La Jolla15 Palo Alto14 Fresno13 Newport Beach12 Loma Linda12 Long Beach12 Redding11 San Jose11 Riverside11 West Hollywood11 Chico10 Fountain Valley10 Rancho Mirage10 Torrance9 Modesto9 Bakersfield8 Stockton8 Oakland8 Santa Clara8 Santa Monica8 Dublin7 Santa Barbara7 Los Gatos7 Glendale7 Salinas7 Irvine7 Burbank6 Apple Valley6 Chula Vista6 Concord6 Arcadia6 Tustin6 Sherman Oaks6 Laguna Hills6 Roseville6 Grass Valley5 Santa Ana5 Lawndale5 Visalia5 Palm Desert5 San Bernardino5 Marysville5 Beverly Hills5 Rohnert Park5 Mission Viejo5 Rancho Cordova5 Napa5 Fullerton5 Greenbrae5 San Luis Obispo5 Santa Maria5 Monterey5 South San Francisco5 San Pablo4 Santa Cruz4 Ventura4 Wildomar4 La Mesa4 Pleasant Hill4 Oxnard4 Whittier4 Redwood City4 West Hills4 Thousand Oaks4 Ukiah4 Covina3 Alhambra3 Antioch3 Cameron Park3 Carmichael3 Corona3 El Centro3 Eureka3 Lancaster3 Lodi3 Merced3 Mountain View3 Oroville3 Palm Springs3 Palmdale3 Pasadena3 Pomona3 Saint Helena3 San Mateo3 Santa Rosa3 Simi Valley3 Sonora3 South Pasadena3 Temecula3 Templeton3 Valencia3 Vista3 Walnut Creek3 West Covina3 Los Alamitos2 Anaheim2 Tarzana2 Berkeley2 Auburn2 Paradise2 Woodland Hills2 Lompoc2 Escondido2 Travis Afb2 Mission Hills2 Encinitas2 Turlock2 Montebello2 Lynwood2 Upland2 Redondo Beach2 Monterey Park2 Yuba City1 Emeryville1 Yucca Valley1 Beaumont1 El Segundo1 Downey1 Diamond Bar1 Studio City1 Sun City1 Sunnyvale1 Sylmar1 Westlake Village1 Daly City1 Ridgecrest1 Culver City1 Trinidad1 Truckee1 Alamo1 Clovis1 Vacaville1 Vallejo1 Valley Village1 Ontario1 Van Nuys1 Placentia1 Northridge1 Pleasanton1 Cerritos1 North Hollywood1 Nicasio1 Red Bluff1 Murrieta1 Redlands1 Tiburon1 Menlo Park1 Manteca1 Castro Valley1 Malibu1 San Andreas1 Laguna Woods1 San Leandro1 Jackson1 San Marino1 Hayward1 San Pedro1 San Rafael1 Hanford1 Gilroy1 Fremont1 Santa Clarita1 Encino1

A representative sample · not the full listFeatured providers

18 of 935

Minh-Phuong Huynh-Le MD

Radiation Oncology Physician·Dublin, CA·1821338682

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Steven Lau

Radiation Oncology Physician·Los Angeles, CA·1225370232

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Dr. Patrick Swift M.D.

Radiation Oncology Physician·Berkeley, CA·1053312355

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Harvey Wolkov MD

Radiation Oncology Physician·Sacramento, CA·1164420808

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Redding Cancer Treatment Center

Radiation Oncology Physician·Redding, CA·1043219181

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Dr. Luca Valle MD

Radiation Oncology Physician·Los Angeles, CA·1982139499

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Sierra Radiation Oncology A Medical Corporation

Radiation Oncology Physician·Grass Valley, CA·1528068731

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Dr. John Hegde M.D.

Radiation Oncology Physician·Los Angeles, CA·1063859874

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Proton Doctors Professional Corporation

Radiation Oncology Physician·San Diego, CA·1093240285

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Regents Of The University Of CA

Radiation Oncology Physician·Sacramento, CA·1235122250

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Y. Joe Kwon, MD

Radiation Oncology Physician·Apple Valley, CA·1114912201

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Linda Chan MD INC

Radiation Oncology Physician·Long Beach, CA·1508197625

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Jeffrey Rodnick MD

Radiation Oncology Physician·Ventura, CA·1972595882

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Victor Schweitzer MD

Radiation Oncology Physician·Valley Village, CA·1922091263

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Afshin Safa MD

Radiation Oncology Physician·Los Angeles, CA·1790789287

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Robert Kwon MD

Radiation Oncology Physician·Laguna Hills, CA·1841294337

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Lisa Chaiken MD

Radiation Oncology Physician·Santa Monica, CA·1528062023

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John R Salzman MD INC

Radiation Oncology Physician·Oakland, CA·1255329637

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See the full list by city:See all in Los Angeles 104 See all in San Francisco 51 See all in Stanford 44 See all in San Diego 44 See all in Sacramento 36 See all in Orange 21

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Radiation Oncology Physician in other states

Florida723 Texas568 New York553 Pennsylvania486 Ohio354 Illinois341 Michigan300 North Carolina273

Other specialties in California

Behavior Technician166,255 Marriage Family Therapist62,567 Student In An Organized Health Care Education Training Program41,345 Clinical Social Worker37,074 Pharmacist32,714 Mental Health Counselor30,116

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Radiation Oncology Physician nationwide →All California specialties →Browse all specialties →

Frequently asked · CaliforniaRadiation Oncology Physician in California

As of the June 2026 NPPES snapshot, 935 providers with the Radiation Oncology Physician taxonomy are registered to a California practice address. Counts refresh monthly from the public CMS registry.

Open any provider's full NPI record to see their active status, taxonomy, and registered California practice address. For real-time confirmation, the authoritative source is the CMS NPPES public registry, which FindMyNPI mirrors and refreshes monthly.

Los Angeles (104), San Francisco (51), Stanford (44). Use the "Refine by city" panel above to open any city's full directory.