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 / FL

KO-YUN CHANG, MD

PULMONARY DISEASE

Graduated: 2012

Also: CRITICAL CARE (INTENSIVISTS)

NPI: 1922956390

Practice Locations (2)

PO BOX, SUITE 44008

JACKSONVILLE, FL 32231

PO BOX, SUITE 44008

JACKSONVILLE, FL 322314008

Source: CMS National Downloadable File, September 2026.