Gary Chopp DDS 1400 Blackhorse Hill Rd Coatesville, Pennsylvania, 19320 Phone: 610-384-7711 Dentist Category: General-Family Dentistry Profile Let this business know you found them on Main Line Today's Online Directories. Locations Coatesville 1400 Blackhorse Hill Rd Coatesville, Pennsylvania 19320 Claim/Edit Listing