Tosto Family Dentistry Office Location | Appointment Request | Post-Appointment Survey | Refer a Friend | Refer a Patient | Coronavirus Update Tosto Family Dentistry Office Location Jason P. Tosto, DMD Tosto Family Dentistry Address: 339 Main Street Hellertown, PA 18055 Phone: (610) 838-6591 Email: Office Hours: Monday: 8:30am to 5:00pm Tuesday: 8:30am to 5:00pm Wednesday: 10:00am to 7:00pm Thursday: 8:30am to 4:00pm Click here for directions View larger map