Add to ORKGWhether seeking an initial consultation or receiving post-surgical care, patients of Jefferson’s colorectal, general, and trauma surgeons see their physicians at Jefferson’s Medical Office Building (MOB) at 11th and Walnut Streets. Since October 2016, David Greene has served as Practice Manager at “5MOB”. Greene came to Jefferson after managing other area practices for five years. “I work with a great staff who makes my job as manager a little easier. We work very hard to ensure every patient has the ideal experience every time they interact with our office. I look forward to many more productive years here at Jefferson and am very excited about the direction the institution is heading.