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

ALLEN CHANG, MD

UROLOGY

Medical school: NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL

Graduated: 2008

Offers telehealth

NPI: 1669765657

Practice Locations (2)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9333 ROSECRANS AVE

BELLFLOWER, CA 907062141

5624613000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9449 IMPERIAL HWY

DOWNEY, CA 902422814

5624613000

Source: CMS National Downloadable File, September 2026.

ALLEN CHANG, MD | HealthCareAtlasUSA