HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

MARCUS WEN, MD

PSYCHIATRY

Graduated: 2021

NPI: 1932785615

Practice Locations (1)

200 WEBSTER ST

OAKLAND, CA 946074157

Source: CMS National Downloadable File, September 2026.