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

ASSEFA WORKU, MD

INTERNAL MEDICINE

Graduated: 1991

NPI: 1003127986

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

280 HOSPITAL PKWY

SAN JOSE, CA 951191103

4089723000

Source: CMS National Downloadable File, September 2026.

ASSEFA WORKU, MD | HealthCareAtlasUSA