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

YONGEN CHANG, MD

NEPHROLOGY

Graduated: 2001

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1932490034

Practice Locations (4)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9333 ROSECRANS AVE

BELLFLOWER, CA 907062141

5624613000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9333 IMPERIAL HWY

DOWNEY, CA 902422812

8009234040

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9353 IMPERIAL HWY

DOWNEY, CA 902422812

5626579000

UC REGENTS

101 THE CITY DR S

ORANGE, CA 928683201

7144567002

Source: CMS National Downloadable File, September 2026.

YONGEN CHANG, MD | HealthCareAtlasUSA