Southampton Office Location | Bensalem Office Location | Schedule Consultation | Patient Forms | Virtual Consult Southampton Orthodontic Office Dorfman Orthodontic Group 345 Knowles Ave #7 Southampton, PA 18966 Phone: (215) 357-7003 Our Southampton, PA orthodontic office conveniently serves Southampton, Warminster, Hatboro, Holland, Richboro, Churchville, Feasterville-Trevose, and Huntingdon Valley. View Larger Map Why Choose Us? Your Treatment Options Schedule Free Consult