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

JOANN Y CHANG, MD

FAMILY PRACTICE

Medical school: UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE

Graduated: 2013

Offers telehealth

NPI: 1023452208

Practice Locations (1)

PERMANENTE MEDICAL GROUP INC

3801 HOWE ST

OAKLAND, CA 946115312

5107521000

Source: CMS National Downloadable File, September 2026.

JOANN CHANG, MD | HealthCareAtlasUSA