Dr. Jaan Hasan, MD

In their first decade of practice, Dr. Jaan Hasan represents the newer generation of emergency medicine providers, MD, after earning their medical degree at Other in 2019. Dr. currently practices across 6 facilities, including Alta Bates Summit Medical Center in Oakland, California. Their National Provider Identifier (NPI) is 1144883075, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Jaan Hasan as a lower-volume emergency medicine provider, treating approximately 300 Medicare beneficiaries and delivering 639 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.