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

ALEXANDER A CHANG, MD

INTERNAL MEDICINE

Graduated: 2014

Also: PEDIATRIC MEDICINE

Offers telehealth

NPI: 1225356231

Practice Locations (1)

TRUELIGHT MEDICAL CORPORATION

909 HYDE ST, SUITE 125

SAN FRANCISCO, CA 941094832

4157714366

Source: CMS National Downloadable File, September 2026.

ALEXANDER CHANG, MD | HealthCareAtlasUSA