Serena M Colletti DDS 219 N Sycamore St Newtown, Pennsylvania, 18940 Phone: 267-751-3001 Company Name: The Dentists Of Newtown Dentist Category: Endodontics Profile Let this business know you found them on Main Line Today's Online Directories. Locations Newtown 219 N Sycamore St Newtown, Pennsylvania 18940 Claim/Edit Listing