| Suffolk County | Nassau County | The Hamptons | 
| Heinze Glenn W DMD Fagd 25 W Neck Rd Shelter Island NY, 11964 (631) 749-3553 | Heinze Patricia M D D S 340 Dogwood Ave Franklin Square NY, 11010 (516) 483-8669 | ||
| Heller Alvin W DDS 2233 Nesconset Hwy Lake Grove NY, 11755 (631) 585-3838 | Heller Paul B DMD 505 Sunrise Hwy West Babylon NY, 11704 (631) 661-0505 | ||
| Hempstead Health Park 80 N Franklin St Hempstead NY, 11550 (516) 481-6433 | Hempstead Health Park Dental Clinic 80 N Franklin St Hempstead NY, 11550 (516) 538-8980 | ||
| Henley Russell J DDS 129 Ostrander Ave Riverhead NY, 11901 (631) 727-1225 | Henner Dental Associate - Brian J Davis DDS 163 Half Hollow Rd Deer Park NY, 11729 (631) 667-2820 | ||
| Henner Dental Associate - Jane Darviche DDS 163 Half Hollow Rd Deer Park NY, 11729 (631) 667-2820 | Henner Dental Associate - Kevin A Henner DDS 163 Half Hollow Rd Deer Park NY, 11729 (631) 667-2820 | ||
| Henner Dental Associates 163 Half Hollow Rd Deer Park NY, 11729 (631) 667-2820 | Hensley James M DDS 1693 Merrick Ave Merrick NY, 11566 (516) 378-2345 | ||
| Heritage Dental Center - Peter M Baracks DDS 2148 Route 112 Medford NY, 11763 (631) 758-7370 | Herman Marc W D D S 800 Woodbury Rd Woodbury NY, 11797 (516) 921-8010 | ||
| Herrmann Dental Associate - Angela Gisonda DDS 268 W Merrick Rd Freeport NY, 11520 (516) 378-3200 | Herrmann Dental Associate - Ewa ZYSK DDS 268 W Merrick Rd Freeport NY, 11520 (516) 378-3200 | ||
| Hersh Leo 14 Ocean Ave Center Moriches NY, 11934 (631) 878-0750 | Hershman Dwight L DDS 655 Branch Blvd Cedarhurst NY, 11516 (516) 569-3650 | ||
| Hess Robert J 2 Strathmore Village Dr Centereach NY, 11720 (631) 698-3434 | Hicksville Dental - Puja Shah DDS 333 S Broadway Hicksville NY, 11801 (516) 931-3615 | ||