| Suffolk County | Nassau County | The Hamptons | 
| Iannone Ronald DDS 128 N Ocean Ave Patchogue NY, 11772 (631) 654-0022 | Ibrahim Emad E DDS PC 826 Buffalo Ave Lindenhurst NY, 11757 (631) 957-8200 | ||
| Ickowicz John 1035 Park Blvd Massapequa Park NY, 11762 (516) 798-9184 | Ideal Dental Care Fax 800 Northern Blvd Great Neck NY, 11021 (516) 439-4866 | ||
| Ideal Dental Service - Richard S Freedman DDS 1251 Deer Park Ave North Babylon NY, 11703 (631) 242-7711 | Ienna Anthony DDS 393 Franklin Ave Franklin Square NY, 11010 (516) 354-5228 | ||
| Igor Koroton DDS 650 Central Ave Lawrence NY, 11559 (516) 295-4775 | Implant Dentistry of Long IS 142 Union Ave Lynbrook NY, 11563 (516) 823-9111 | ||
| Incao John Philip 69 Country Village Ln New Hyde Park NY, 11040 (516) 352-1045 | Innovation Dental Studio INC 4 New Hyde Park Rd Franklin Square NY, 11010 (516) 502-4199 | ||
| Inocco Robert S DDS 52 W Millpage Dr Bethpage NY, 11714 (516) 731-8722 | Iovino Eugene F DDS 2761 Montauk Hwy Brookhaven NY, 11719 (631) 286-1413 | ||
| Ipektchi Vahid D DS 3299 Cherrywood Dr Wantagh NY, 11793 (516) 785-5239 | Irlene A Siegel DDS 245 Mineola Blvd Mineola NY, 11501 (516) 294-2999 | ||
| Island Dental Care 1111 Broadhollow Rd Farmingdale NY, 11735 (631) 756-8420 | Island Dental Group 100 Manetto Hill Rd Plainview NY, 11803 (516) 935-0670 | ||
| Island Dental Group - Charles Sachs DDS 100 Manetto Hill Rd Plainview NY, 11803 (516) 935-0670 | Island Dental Group - Ronald Molinari DDS 100 Manetto Hill Rd Plainview NY, 11803 (516) 935-0670 | ||
| Island Dental Group - Seth M Blum DDS 100 Manetto Hill Rd Plainview NY, 11803 (516) 935-0670 | Island Dental Group - Steven M Hershenhorn DDS 100 Manetto Hill Rd Plainview NY, 11803 (516) 935-0670 | ||