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California · Medical Oncology Physician

Medical Oncology Physician in California.

466 verified Medical 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.

207RX0202X466 in California101 citiesRefreshed monthly
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Stanford76San Francisco57Duarte46Los Angeles41Palo Alto18San Diego15Sacramento11San Jose11Orange8La Jolla6Pleasanton6Redding5Fresno5South San Francisco5Beverly Hills5Santa Rosa5Irvine5Loma Linda4Manhattan Beach4Campbell4Cerritos4Fullerton4Pasadena4Santa Barbara3Palm Springs3Glendale3Santa Cruz3Santa Monica3West Hollywood3Thousand Oaks3Castro Valley3Torrance3Walnut Creek3Mountain View3San Gabriel3San Mateo3Truckee2Berkeley2Carmichael2Chico2Los Gatos2Modesto2Napa2Newport Beach2Oakland2Rancho Cucamonga2Rancho Mirage2Anaheim2Ventura2Murrieta1Visalia1Newark1Vista1Cameron Park1Long Beach1Oxnard1Lawndale1Lancaster1Lakewood1La Verne1Brawley1Westlake Village1Red Bluff1Imperial1Redlands1Riverside1Roseville1Huntington Beach1Saint Helena1San Bruno1Glendora1Fremont1Fountain Valley1Foster City1San Luis Obispo1San Marcos1Eureka1Escondido1Encino1El Segundo1El Dorado Hills1Simi Valley1Del Mar1Daly City1Temecula1Chatsworth1Carlsbad1Travis Afb1Woodland1Ukiah1Upland1Vacaville1Vallejo1Merced1Mission Viejo1Woodside1Montebello1Monterey1Monterey Park1Montrose1Menlo Park1

A representative sample · not the full listFeatured providers

18 of 466
PM
Dr. Pratik Multani MD
Medical Oncology Physician·San Diego, CA·1053654467
Active›
BS
Dr. Brian Sworder MD
Medical Oncology Physician·Stanford, CA·1528401734
Active›
AO
Arsen Osipov M.D.
Medical Oncology Physician·West Hollywood, CA·1598108482
Active›
AS
Dr. Anwer Shaikh M.D.
Medical Oncology Physician·Vista, CA·1609879170
Active›
AB
Allison Betof Warner MD
Medical Oncology Physician·Stanford, CA·1174961908
Active›
NM
Natalie Marshall M.D.
Medical Oncology Physician·Berkeley, CA·1366445470
Active›
HB
Hinda Boutrid MD
Medical Oncology Physician·San Jose, CA·1457796070
Active›
TS
Dr. Thomas Spillane MD
Medical Oncology Physician·San Luis Obispo, CA·1477558435
Active›
AV
Dr. Ana Velazquez Manana MD Msc
Medical Oncology Physician·San Francisco, CA·1144647421
Active›
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Jennifer Sanbar M.D.
Medical Oncology Physician·Montrose, CA·1912321407
Active›
MF
Marwan Fakih MD
Medical Oncology Physician·Duarte, CA·1861498271
Active›
DS
David Stolinsky M.D.
Medical Oncology Physician·Los Angeles, CA·1497171854
Active›
BK
Bridget Keenan
Medical Oncology Physician·San Francisco, CA·1497175798
Active›
JL
Joel Lester M.D.
Medical Oncology Physician·Anaheim, CA·1609873298
Active›
LL
Lawrence Leichman M.D.
Medical Oncology Physician·Palm Springs, CA·1891792305
Active›
NG
Naveen Gupta MD INC
Medical Oncology Physician·Upland, CA·1366420416
Active›
GL
George Labban M.D.
Medical Oncology Physician·San Jose, CA·1114925542
Active›
UO
University Of California Sfgh Medical Group
Medical Oncology Physician·San Francisco, CA·1386619419
Active›
See the full list by city:See all in Stanford 76See all in San Francisco 57See all in Duarte 46See all in Los Angeles 41See all in Palo Alto 18See all in San Diego 15
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Frequently asked · CaliforniaMedical Oncology Physician in California

As of the June 2026 NPPES snapshot, 466 providers with the Medical 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.

Stanford (76), San Francisco (57), Duarte (46). Use the "Refine by city" panel above to open any city's full directory.