| Suffolk County | Nassau County | The Hamptons | 
| Fascilla Catherine DDS PC 505 Westbury Ave Carle Place NY, 11514 (516) 333-1166 | Feinman Alyssa DDS 176 N Village Ave Rockville Centre NY, 11570 (516) 543-4909 | ||
| Feldman Ronald DDS 29 Willets Dr Syosset NY, 11791 (516) 921-7463 | Ferng Richard C DDS 226 7th St Garden City NY, 11530 (516) 741-6505 | ||
| Ferraro Joan D M D 127 N Ocean Av Patchogue NY, 11772 (631) 289-3226 | Feryo Scott K DMD 100 S Oyster Bay Rd Syosset NY, 11791 (516) 921-0372 | ||
| Fidel Abaeu-Benitez DDS 35 Guy Lombardo Ave Freeport NY, 11520 (516) 546-6709 | Fields David DMD 5 Westwood Dr Westbury NY, 11590 (516) 997-6545 | ||
| Fifth Avenue Dental Spa - Dragos Sandulescu DDS 997 Rosedale Rd Valley Stream NY, 11581 (516) 532-3510 | Fine & Goodman 5 Westwood Dr Westbury NY, 11590 (516) 997-7676 | ||
| Fine & Goodman - Irwin Fine DDS 5 Westwood Dr Westbury NY, 11590 (516) 997-7676 | Fine & Goodman - Michael Goodman DDS 5 Westwood Dr Westbury NY, 11590 (516) 997-7676 | ||
| Fine Andrew DR DDS 301 Mill Rd Hewlett NY, 11557 (516) 374-2293 | Fine Irwin DDS 5 Westwood Dr Westbury NY, 11590 (516) 997-7676 | ||
| Fink Martin S 285 Central Ave Lawrence NY, 11559 (516) 239-3455 | Finocchio John DDS 50 Dante Ave Hicksville NY, 11801 (516) 735-8803 | ||
| Fiorenti Charles P DDS 285 W Main St Sayville NY, 11782 (631) 589-8787 | Firestone Richard J DDS OFC 100 S Jersey Ave East Setauket NY, 11733 (631) 751-9565 | ||
| Firestone, Scott 999 Walt Whitman Rd Melville NY, 11747 (631) 385-1100 | First Alert Dental Care 645 Park Ave Uniondale NY, 11553 (516) 485-2782 | ||