Winding Cross Urgent Care is Open. We have resumed our normal hours, and are open everyday of the week from 8am-8pm, walk-ins until 6:30pm, except certain holidays. Our staff has been using cleaning and sanitizing procedures which meet or exceed all CDC guidelines for the COVID-19 pandemic. Read more.Online Payment‧About Us‧Contact Us‧Why Winding Cross‧What To Expect‧Frederick.