Jefferson Health has opened a new Urgent Care Center at 2021 Chestnut St. open 7 days a week from 8:30 a.m. to 8:30 p.m., staffed by board-certified emergency medicine physicians. When you need to see a doctor fast but don't want to wait in the emergency room for hours, Jefferson Urgent Care is there for you. No appointment necessary. (FOR LIFE-THREATENING AILMENTS, GO TO HOSPITAL EMERGENCY ROOM.) Limited hours on major holidays.