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 / MO

KAREN J CHANG-CHEN, MD

ENDOCRINOLOGY

Graduated: 2003

Offers telehealth

NPI: 1508916495

Practice Locations (1)

ENDOCRINE ASSOCIATES, LLC

224 S WOODS MILL RD, SUITE 480S

CHESTERFIELD, MO 630173609

6366857744

Source: CMS National Downloadable File, September 2026.

KAREN CHANG-CHEN, MD | HealthCareAtlasUSA