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

JAMES CALLAHAN, MD

HOSPITALIST

Medical school: MOREHOUSE SCHOOL OF MEDICINE

Graduated: 2010

Also: INTERNAL MEDICINE

NPI: 1346568193

Practice Locations (1)

WELLSTAR MEDICAL GROUP LLC

677 CHURCH NEST

MARIETTA, GA 300601101

7707937750

Source: CMS National Downloadable File, September 2026.

JAMES CALLAHAN, MD | HealthCareAtlasUSA