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

RONALD C CHANG, MD

INTERNAL MEDICINE

Graduated: 2014

NPI: 1861810863

Practice Locations (1)

HOSPITALIST CORPORATION OF INLAND EMPIRE

1880 N ORANGE GROVE AVE

POMONA, CA 917673006

9096307158

Source: CMS National Downloadable File, September 2026.

RONALD CHANG, MD | HealthCareAtlasUSA