Top Endocrinologists in Arizona, 2026
Published by Palm Beach County Medical Media Group · Last updated April 30, 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 endocrinology physician with active credentialing in Arizona. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed April 2026.
- #1EndocrinologyCalifornia, CA21+ years in practice
Richard Arakaki, MD, practices endocrinology in California, CA. NPI-verified active practice since 2005.
- #2EndocrinologyArizona, AZ20+ years in practice
Jonathan Insel, MD, practices endocrinology in Arizona, AZ. NPI-verified active practice since 2006.
- #3EndocrinologyArizona, AZ20+ years in practice
Sydney Westphal, md, practices endocrinology in Arizona, AZ. NPI-verified active practice since 2006.
- #4EndocrinologyArizona, AZ19+ years in practice
Allison Peckumn, DO, practices endocrinology in Arizona, AZ. NPI-verified active practice since 2007.
- #5EndocrinologyArizona, AZ17+ years in practice
Yanal Masannat, MD, practices endocrinology in Arizona, AZ. NPI-verified active practice since 2009.
- #6EndocrinologyArizona, AZ14+ years in practice
Nalini Tirumalasetty, MD,ECNU,FACE, practices endocrinology in Arizona, AZ. NPI-verified active practice since 2012.
- #7EndocrinologyArizona, AZ9+ years in practice
Karen Jong, MD, practices endocrinology in Arizona, AZ. NPI-verified active practice since 2017.
Spot a methodology error or want to challenge a ranking? info@pbcmmg.com. Substantiated corrections are dated and noted on this page.