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, Huntingdon Valley, Warminster, Hatboro, Holland, Richboro, Churchville, Feasterville, Trevose, Willow Grove, Horsham, Newtown, and Ivyland. View Larger Map Why Choose Us? Your Treatment Options Schedule Free Consult