| Business | Phone |
| Central Suffolk Hospital 34 Commerce Dr, Riverhead 11901 | (631) 369-2775 |
| Queens-Long Island Medical Center 170 Old Country Rd, Riverhead 11901 | (631) 369-1045 |
| Suffolk Hospital Medical Libr 1300 Roanoke Ave, Riverhead 11901 | (631) 548-6000 |