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

WILLIAM JOSEPHSON, MD

INTERNAL MEDICINE

Graduated: 1980

Offers telehealth

NPI: 1376647651

Practice Locations (1)

17075 DEVONSHIRE ST, 100A

NORTHRIDGE, CA 913255405

8183604600

Source: CMS National Downloadable File, September 2026.

WILLIAM JOSEPHSON, MD | HealthCareAtlasUSA