Simon W Yoon DMD 3400 W Chester Pike Ste 1000A Newtown Square, Pennsylvania, 19073 Phone: 610-356-9424 Dentist Category: General-Family Dentistry Profile Let this business know you found them on Main Line Today's Online Directories. Locations Newtown Square 3400 W Chester Pike Ste 1000A Newtown Square, Pennsylvania 19073 Claim/Edit Listing