Top Oncologists in California, 2026
Published by Palm Beach County Medical Media Group · Last updated May 2, 2026

How this ranking was built: We applied PBCMMG's seven weighted criteria (board certification, years in active practice, disciplinary record, aggregate patient reviews, hospital affiliations, specialty training, peer recognition) to every oncology physician with active credentialing in California. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.
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- #8OncologyCalifornia, CA20+ years in practice
Suresh Joishy, MD, practices oncology in California, CA. NPI-verified active practice since 2006.
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- #10OncologyCalifornia, CA20+ years in practice
Sidney Crain, MD, practices oncology in California, CA. NPI-verified active practice since 2006.
Spot a methodology error or want to challenge a ranking? info@pbcmmg.com. Substantiated corrections are dated and noted on this page.