Dr. Ann Chen, MD

With 20 years of practice, Dr. Ann Chen is an established gastroenterology provider, MD, after earning their medical degree at Albert Einstein College Of Medicine Of Yeshiva University in 2000. Dr. currently practices across 4 facilities, including Stanford Health Care in Stanford, California. Their National Provider Identifier (NPI) is 1003840307, 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. Ann Chen as a lower-volume gastroenterology provider, treating approximately 147 Medicare beneficiaries and delivering 285 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Ann Chen received $31 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.