NO APPOINTMENT NECESSARY. Feel free to contact us if you have any questions Contact Us! The Cure For the Common ER Open 365 Days A Year, No Appointment Needed, Sports and School Physicals, Flu Vaccines, X-Rays, Blood Work, and everything in-between. LocationsWe have locations in Long Island and Brooklyn for your convenience. Amityville Massapequa Hewlett Midwood Gravesend Online Check-inER-DOX physicians diagnose and treat all kinds of medical issues such as colds, coughs, broken bones, strains, pains, ear aches, flu, fevers, stomach aches and so many more. X-rays are right in our office so results are immediate and so is the treatment. Check-In What is ER DOX?Think of ER-DOX as an extension to your primary care physician or family practitioner. If your primary care doctor is unavailable, ER-DOX is here for you! Open 7 days a week, 365 days a year, stop in and visit us! Learn More!