Top Oncologists in Maine, 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 Maine. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.
- #1OncologyMaine, ME20+ years in practice
Eva Zaslavsky, MD, practices oncology in Maine, ME. NPI-verified active practice since 2006.
- #2OncologyMaine, ME20+ years in practice
John McCallister, MD, practices oncology in Maine, ME. NPI-verified active practice since 2006.
- #3Addiction MedicineMaine, ME20+ years in practice
Daniel Hayes, MD, practices addiction medicine in Maine, ME. NPI-verified active practice since 2006.
- #4OncologyMaine, ME20+ years in practice
Kellie Sprague, MD, practices oncology in Maine, ME. NPI-verified active practice since 2006.
- #5Addiction MedicineIndiana, IN19+ years in practice
George Batty, MD, practices addiction medicine in Indiana, IN. NPI-verified active practice since 2007.
- #6OncologyMaine, ME19+ years in practice
Brian Haney, DO, practices oncology in Maine, ME. NPI-verified active practice since 2007.
- #7OncologyMassachusetts, MA13+ years in practice
Ahmed Safa, MD, practices oncology in Massachusetts, MA. NPI-verified active practice since 2013.
Spot a methodology error or want to challenge a ranking? info@pbcmmg.com. Substantiated corrections are dated and noted on this page.