ER-DOX Urgent Care Center is located in Massapequa Park, NY. We are open 7 days a week with late hours till 11PM for your family's late night medical needs. Our physicians treat patients of all ages and are available to provide immediate care. No appointment is necessary, walk-in for diagnosis and treatment of all common illnesses and injuries. Board certified in Emergency Medicine, our doctors provide the ultimate in quality care without the long wait of emergency rooms. Most patients are diagnosed and treated within 30 minutes. We look forward to seeing you!