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 Northside Hospital, Northside Hospital Forsyth and North Fulton Hospital.
Years in Practice: 30 Years
Languages Spoken: English
Medical School: Medical College of Georgia School of Medicine
Graduation Date: 1985
Specialties: Pulmonary Disease, Sleep Medicine
*This physician has multiple office locations. See Appointments for details.