Righttime Medical Care offers urgent care by appointment or walk-in to adults and children, 365 days a year. Righttime has 19 Care Centers throughout Maryland - Annapolis, Arundel Mills (Hanover), Bethesda, Catonsville, Columbia, Frederick, Gaithersburg, Germantown, La Plata, Olney, Pasadena, Pikesville, Potomac, Rockville, Silver Spring, St. Mary's (California), Towson, Waldorf and Waugh ....