Katie Peck DMD 357 S Gulph Rd Fl 1 King of Prussia, Pennsylvania, 19406 Phone: 610-337-2325 Company Name: Upper Merion Dental Associates Dentist Category: Pediatric Dentistry Profile Let this business know you found them on Main Line Today's Online Directories. Locations King of Prussia 357 S Gulph Rd Fl 1 King of Prussia, Pennsylvania 19406 Claim/Edit Listing