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

HOWARD Y CHANG, MD

GASTROENTEROLOGY

Medical school: NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL

Graduated: 1999

Also: INTERNAL MEDICINE

NPI: 1700845336

Practice Locations (2)

PERMANENTE MEDICAL GROUP INC

275 W MACARTHUR BLVD

OAKLAND, CA 946115641

5107521000

PERMANENTE MEDICAL GROUP INC

901 NEVIN AVE

RICHMOND, CA 948013143

5103071500

Source: CMS National Downloadable File, September 2026.

HOWARD CHANG, MD | HealthCareAtlasUSA