Dr. Daniel F. Callahan graduated from the Medical College of Georgia School of Medicine in 1985. He works in Cumming, GA and 1 other location and specializes in Pulmonary Disease and Sleep Medicine. Dr. Callahan is affiliated with North Fulton Hospital, Northside Hospital and Northside Hospital Forsyth.
Languages Spoken: English
Pulmonary Disease, Sleep Medicine
Medical School: Medical College of Georgia School of Medicine; Graduated 1985
*This physician has multiple office locations. See Office Information for details.