| Suffolk County | Nassau County | The Hamptons | 
| Coventry Dental Care 4665 Nesconset Hwy Port Jefferson Station NY, 11776 (631) 642-1600 | Craig L Levine DDS 387 E Main St Bay Shore NY, 11706 (631) 665-1325 | ||
| Crane Paul A DDS 1900 Hempstead Tpke East Meadow NY, 11554 (516) 564-8499 | Creative Smiles Dentistry - Jacqueline Rodgers DDS 755 Park Ave Huntington NY, 11743 (631) 271-8100 | ||
| Creative Smiles Dentistry - Lori Thornhill DDS 755 Park Ave Huntington NY, 11743 (631) 271-8100 | Crespi Paul DDS 27005 76th Ave New Hyde Park NY, 11040 (516) 470-3111 | ||
| Cristoforo Joseph D D S PC 1035 Park Blvd Massapequa Park NY, 11762 (516) 798-5700 | Curtis & Campbell - Stephen Curtis DDS 516 Montauk Hwy East Moriches NY, 11940 (631) 874-4747 | ||
| Curtis Ronald M DMD 95 Scranton Ave Lynbrook NY, 11563 (516) 599-0059 | Cutolo Dorothy DDS 708 Broadway Massapequa NY, 11758 (516) 798-1900 | ||
| Cuttler Henry F 66 Lincoln Ct Rockville Centre NY, 11570 (516) 678-0100 | Cycleman Monroe A DDS 650 Central Ave Cedarhurst NY, 11516 (516) 569-7380 | ||
| D'Ambrosio Joseph M D M D 4250 Hempstead Tpke Bethpage NY, 11714 (516) 735-3550 | Da Vinci Dental ARTS 864 Willis Ave Albertson NY, 11507 (516) 746-3616 | ||
| Dallal Steve DMD 400 S Oyster Bay Rd Hicksville NY, 11801 (516) 931-8199 | Daniel Dzen DDS 801 Carmans Rd Massapequa Park NY, 11762 (516) 798-8222 | ||
| Daniel J Siegel DDS 310 Syosset Woodbury Rd Woodbury NY, 11797 (516) 496-4074 | Daniel P Duggan PC - Daniel P Duggan DDS 11 Bay Shore Rd Bay Shore NY, 11706 (631) 586-6300 | ||
| Daniela Spector DDS 55 Northern Blvd Great Neck NY, 11021 (631) 224-0680 | Danielle M Baker DDS 27 Riverhead Rd Westhampton Beach NY, 11978 (631) 878-4488 | ||