Ascent Dental Care - East Longmeadow 294 North Main St. East Longmeadow, MA 01028 413-525-9500 Ascent Dental Care - Longmeadow 66 Dwight Rd. Longmeadow, MA 01106 413-754-3020 Ascent Dental Care - Longmeadow 21 Dwight Rd., Suite 203 Longmeadow, MA 01106 413-567-9600.