| Suffolk County | Nassau County | The Hamptons | 
| Jane Swedler MD 222 Station Plz N Ste 611 Mineola NY, 11501 (516) 663-2507 | Javier Vieytez PC - Javier Fran Vieytez MD 33 Walt Whitman Rd Huntington Station NY, 11746 (631) 425-8100 | ||
| Jeffrey American LLC - Jeffrey A American MD 38 S Oyster Bay Rd Syosset NY, 11791 (516) 682-0555 | Jeffrey Karsdon MD 908 Northern Blvd Baldwin NY, 11510 (516) 223-7915 | ||
| Jila Sharif MD 12 Woodfield Ave Northport NY, 11768 (631) 757-3072 | Jill ANN Leavens-Maurer MD 222 Station Plz N Ste 611 Mineola NY, 11501 (516) 663-2532 | ||
| John P Sheehy PC - John P Sheehy MD 10 Medical Plz Glen Cove NY, 11542 (516) 676-7116 | John Zaontz MD 501 Saddle Ridge Rd Woodmere NY, 11598 (516) 374-2445 | ||
| Joseph P Falco MD PO Box 5000 Upton NY, 11973 (631) 344-3335 | Joshua Sherman MD 304 Community Dr Apt 1C Manhasset NY, 11030 (718) 551-5363 | ||
| K-Dental Care - Carlos J Rivera MD 155 E Woodside Ave Patchogue NY, 11772 (212) 280-9240 | Karen L Choset MD 150 Hewlett Ave Merrick NY, 11566 (516) 379-4900 | ||
| Kathleen Tierney-O'Conn MD 833 Northern Blvd Ste 140 Great Neck NY, 11021 (516) 622-7900 | Kenneth Chen MD 860 Atlantic Ave Baldwin NY, 11510 (516) 868-6100 | ||
| Kenneth Prushik MD 241 Marlin St Huntington Station NY, 11746 (631) 367-5300 | Kids Care Pediatrics - Boris Lustik MD 239 Boyle Rd Selden NY, 11784 (631) 698-0600 | ||
| Kids First Pediatrics PC - Alexander Lee MD 815 Hallock Ave Ste A Port Jefferson Station NY, 11776 (631) 331-7267 | Kids First Pediatrics PC - Damian Forletti MD 815 Hallock Ave Ste A Port Jefferson Station NY, 11776 (631) 331-7267 | ||
| Kids First Pediatrics PC - Kerry B Moore MD 815 Hallock Ave Ste A Port Jefferson Station NY, 11776 (631) 331-7267 | Kids First Pediatrics PC - Magdalena M Oleszak MD 815 Hallock Ave Ste A Port Jefferson Station NY, 11776 (631) 331-7267 | ||