466 NPI-registered Medical Oncology Physician providers practice in California. Switch states in the rail, or open the full search to filter by city and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| A. Richard Adrouny, M.D., Inc. | Medical Oncology Physician | Los Gatos, CA | 1700088556 |
| Abhishek TripathiM.D. | Medical Oncology Physician | Duarte, CA | 1568750032 |
| Medical Oncology Physician |
| Pleasanton, CA |
| 1770961575 |
| Achala DoraiswamyMD | Medical Oncology Physician | Murrieta, CA | 1912188152 |
| Adam RockM.D. | Medical Oncology Physician | Duarte, CA | 1477907715 |
| Aditya ShreenivasMD | Medical Oncology Physician | Duarte, CA | 1215282264 |
| Afsaneh BarziM.D. | Medical Oncology Physician | Los Angeles, CA | 1265480412 |
| Ahmed SadiqMD | Medical Oncology Physician | Fremont, CA | 1700845229 |
| Ajay VermaM.D. | Medical Oncology Physician | Redding, CA | 1386755403 |
| Alain MitaMD | Medical Oncology Physician | Newport Beach, CA | 1285602565 |
| Alan KramerMD | Medical Oncology Physician | San Francisco, CA | 1356357347 |
| Alan NewmanMD | Medical Oncology Physician | San Francisco, CA | 1346351822 |
| Alan VenookMD | Medical Oncology Physician | San Francisco, CA | 1487618831 |
| Alex EhsanM.D, | Medical Oncology Physician | Cerritos, CA | 1982883948 |
| Alexander Chehrazi-RaffleM.D. | Medical Oncology Physician | Duarte, CA | 1891157889 |
| Alexander ColevasMD | Medical Oncology Physician | Palo Alto, CA | 1588726558 |
| Alexander Gaitanis, D.O., Inc. | Medical Oncology Physician | Beverly Hills, CA | 1730611336 |
| Alexander PhamM.D. | Medical Oncology Physician | San Jose, CA | 1487807111 |
| Alexander Tong | Medical Oncology Physician | San Diego, CA | 1356804926 |
| Ali KhakiMD | Medical Oncology Physician | Stanford, CA | 1407299530 |
| Alice FanM.D. | Medical Oncology Physician | Palo Alto, CA | 1871524454 |
| Allison Betof WarnerMD | Medical Oncology Physician | Stanford, CA | 1174961908 |
| Allison KurianM.D. | Medical Oncology Physician | Stanford, CA | 1144385758 |
| Allyson SpenceMD, PHD | Medical Oncology Physician | Stanford, CA | 1023301074 |
| Aman ChauhanMD | Medical Oncology Physician | San Francisco, CA | 1902193147 |
| Amanda ReyesM.D. | Medical Oncology Physician | Duarte, CA | 1871053462 |
| Ami PatelM.D. | Medical Oncology Physician | Glendale, CA | 1518064278 |
| Amina ChaudhryMD | Medical Oncology Physician | Stanford, CA | 1336679166 |
| Amir GoldkornM.D. | Medical Oncology Physician | Los Angeles, CA | 1528281953 |
| Amy ChienM.D. | Medical Oncology Physician | San Francisco, CA | 1922242932 |
| Ana Velazquez MananaMD MSC | Medical Oncology Physician | San Francisco, CA | 1144647421 |
| Anastasia MartynovaM.D. | Medical Oncology Physician | Los Angeles, CA | 1841731288 |
| Andrea EdwardsMD | Medical Oncology Physician | Santa Cruz, CA | 1255341962 |
| Andrew KoMD | Medical Oncology Physician | San Francisco, CA | 1851355853 |
| Andrew RezvaniMD | Medical Oncology Physician | Stanford, CA | 1609983485 |
| Anh Pham | Medical Oncology Physician | Duarte, CA | 1841599107 |
| Anishka D'SouzaM.D. | Medical Oncology Physician | Los Angeles, CA | 1811256654 |
| Anjali SibleyMD | Medical Oncology Physician | Stanford, CA | 1750580080 |
| Ann LoweM.D. | Medical Oncology Physician | Palo Alto, CA | 1013278811 |
| Anthony El-KhoueiryM.D. | Medical Oncology Physician | Los Angeles, CA | 1891730412 |
| Antoine SayeghM.D. | Medical Oncology Physician | Roseville, CA | 1225063696 |
| Anwer ShaikhM.D. | Medical Oncology Physician | Vista, CA | 1609879170 |
| April TeitelbaumMD | Medical Oncology Physician | San Diego, CA | 1700065463 |
| Arash AlizadehMD, PHD | Medical Oncology Physician | Stanford, CA | 1295824423 |
| Ari UmutyanM.D. | Medical Oncology Physician | Saint Helena, CA | 1275516171 |
| Arlene YuMD, MBA | Medical Oncology Physician | Cerritos, CA | 1144744772 |
| Arnav MehtaMD | Medical Oncology Physician | Stanford, CA | 1649700899 |
| Arpeet ShahM.D. | Medical Oncology Physician | Castro Valley, CA | 1558780825 |
| Arsen OsipovM.D. | Medical Oncology Physician | West Hollywood, CA | 1598108482 |
| Barbara EganM.D. | Medical Oncology Physician | Pleasanton, CA | 1154418622 |
| Barbara GitlitzM.D. | Medical Oncology Physician | Los Angeles, CA | 1467488015 |
| Barliz WaissengrinMD | Medical Oncology Physician | Los Angeles, CA | 1578407904 |
| Bass Medical Group | Medical Oncology Physician | Walnut Creek, CA | 1316520034 |
| Bassel El-RayesMD | Medical Oncology Physician | San Diego, CA | 1437196433 |
| Behnam EbrahimiM.D. | Medical Oncology Physician | Rancho Cucamonga, CA | 1033165139 |
| Behnam Ebrahimi MD Inc | Medical Oncology Physician | Rancho Cucamonga, CA | 1275400327 |
| Behrooz ZidehsaraiMD | Medical Oncology Physician | Redding, CA | 1639177975 |
| Bing XiaM.D. | Medical Oncology Physician | Los Angeles, CA | 1154611218 |
| Bradley Sackfield | Medical Oncology Physician | Redding, CA | 1851920409 |
| Brian SworderMD | Medical Oncology Physician | Stanford, CA | 1528401734 |
| Bridget Keenan | Medical Oncology Physician | San Francisco, CA | 1497175798 |
| Bryant ShehMD | Medical Oncology Physician | Stanford, CA | 1801092242 |
| Byron WilsonM.D. | Medical Oncology Physician | Castro Valley, CA | 1992736367 |
| Carolyn CollinsMD | Medical Oncology Physician | Redding, CA | 1356380554 |
| Casey BermackMD PHD | Medical Oncology Physician | Foster City, CA | 1588125199 |
| Casie ShenoyM.D. | Medical Oncology Physician | Sacramento, CA | 1306135470 |
| Cathie ChungM.D. | Medical Oncology Physician | Duarte, CA | 1679599914 |
| Central Coast Oncology & Hematology | Medical Oncology Physician | Santa Cruz, CA | 1942473491 |
| Charles DollbaumM.D. | Medical Oncology Physician | San Francisco, CA | 1205863552 |
| Charles L Wiseman MD Apc | Medical Oncology Physician | Los Angeles, CA | 1871780577 |
| Charles NguyenM.D. | Medical Oncology Physician | Irvine, CA | 1902303431 |
| Charles WisemanM.D. | Medical Oncology Physician | Beverly Hills, CA | 1962493551 |
| Chien-Shing ChenM.D. | Medical Oncology Physician | Loma Linda, CA | 1073542692 |
| Chloe AtreyaMD, PHD | Medical Oncology Physician | San Francisco, CA | 1326058777 |
| Christine LovlyMD, PHD | Medical Oncology Physician | Duarte, CA | 1265589071 |
| Christopher BenzM.D. | Medical Oncology Physician | San Francisco, CA | 1457381014 |
| Christopher ChenMD | Medical Oncology Physician | Stanford, CA | 1467865527 |
| Christopher Di SimoneM.D. | Medical Oncology Physician | Rancho Mirage, CA | 1861461147 |
| Christopher WilliamsM.D. | Medical Oncology Physician | Eureka, CA | 1588899363 |
| Christy RussellM.D. | Medical Oncology Physician | Los Angeles, CA | 1154350601 |
| Colin Bergstrom | Medical Oncology Physician | Stanford, CA | 1346673985 |
| Cong ZhangM.D., PH.D. | Medical Oncology Physician | Woodland, CA | 1356553317 |
| Coty Ho MD Inc | Medical Oncology Physician | Palm Springs, CA | 1578004339 |
| Curtis ChongMD, PHD | Medical Oncology Physician | Palo Alto, CA | 1912167420 |
| Cy SteinMD | Medical Oncology Physician | Duarte, CA | 1871673350 |
| Daneng LiM.D. | Medical Oncology Physician | Duarte, CA | 1285877209 |
| Dani CastilloMD | Medical Oncology Physician | Duarte, CA | 1427570332 |
| Daniel GreenwaldM.D. | Medical Oncology Physician | Santa Barbara, CA | 1235240987 |
| Daphne StewartM.D | Medical Oncology Physician | Los Angeles, CA | 1598879918 |
| Darcy SpicerM.D. | Medical Oncology Physician | Los Angeles, CA | 1568407179 |
| Darren SigalMD | Medical Oncology Physician | La Jolla, CA | 1417120080 |
| David AgusM.D. | Medical Oncology Physician | Los Angeles, CA | 1356328249 |
| David FreyerDO | Medical Oncology Physician | Los Angeles, CA | 1578533865 |
| David KurtzMD | Medical Oncology Physician | Stanford, CA | 1770875353 |
| David LeibowitzMD | Medical Oncology Physician | Palo Alto, CA | 1508975665 |
| David MinorMD | Medical Oncology Physician | San Francisco, CA | 1023042942 |
| David ParkM.D. | Medical Oncology Physician | Fullerton, CA | 1275619447 |
| David PotterMD | Medical Oncology Physician | Chico, CA | 1972560076 |
| David QuinnM.D. | Medical Oncology Physician | Los Angeles, CA | 1043249584 |
| David StolinskyM.D. | Medical Oncology Physician | Los Angeles, CA | 1497171854 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
