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 / IN

WARREN J CHANG, MD

OPHTHALMOLOGY

Medical school: HARVARD MEDICAL SCHOOL

Graduated: 1992

NPI: 1902888662

Practice Locations (1)

INTEG HEALTH SYSTEM PC

1011 W 2ND ST

BLOOMINGTON, IN 474032216

8123341213

Source: CMS National Downloadable File, September 2026.

WARREN CHANG, MD | HealthCareAtlasUSA