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 / GA

YOON JEONG CHANG, MD

OBSTETRICS/GYNECOLOGY

Graduated: 1998

NPI: 1386859163

Practice Locations (5)

WELLSTAR MEDICAL GROUP LLC

1791 MULKEY RD

AUSTELL, GA 301061124

WELLSTAR MEDICAL GROUP LLC

3950 AUSTELL RD

AUSTELL, GA 301061121

7707324022

WELLSTAR MEDICAL GROUP LLC

5150 STILESBORO N W RD, SUITE 220

KENNESAW, GA 301527742

7704248222

WELLSTAR MEDICAL GROUP LLC

4480 N COOPER LAKE RD SE

SMYRNA, GA 300824623

WELLSTAR MEDICAL GROUP LLC

4480 N COOPER LAKE SERD

SMYRNA, GA 300824623

Source: CMS National Downloadable File, September 2026.