Key things you need to know aboutDr. Callahan:
Research training, expertise and qualifications
Dr. Callahan's Specialties
- View 1 specialty and 2 board certifications
- Continuous Positive Airway Pressure (CPAP)
- See all 6 procedures
More About Dr. Callahan's Background
The right hospital is as important as the right doctor
- Northside Hospital
- 1000 Johnson Ferry Road North East
- Atlanta, GA 30342
- Northside Hospital - Forsyth
- 1200 Northside Forsyth Drive
- Cumming, GA 30041
9 Facts About Hospital Quality
Patients' feedback on their experience with Dr. Callahan
8 Facts About Patient Satisfaction Surveys
Check insurance plans, locations and make an appointment
7 Tips to Prepare for Your Appointment
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