Dr. Samantha Callahan is a Dentist in North Mountain, PHOENIX and has…read more an experience of 36 years in this field. Dr. Samantha Callahan practices at Aspen Dental - Phoenix, AZ - Bell in North Mountain, PHOENIX,Aspen Dental - Tucson - GP in Tucson 85705, Tucson AZ and Aspen Dental - West Peoria Avenue - GP in Phoenix 85029, PHOENIX.read less