John D. Callahan, DDS, MS is a Dentist - Orthodontics & Dentofacial Orthopedics (Orthodontist) practicing in Fayetteville, NY
He has not yet shared a personalized biography with Doctor.com.
John D. Callahan, DDS, MS has not yet indicated the hospitals that he is affiliated with.
Years In Practice: 21 (started in 2003)
Accepts New Patients: Yes