A group of doctors sold 207 N. Broad St., a 20,000-square-foot building with five medical, research and office condominiums in Philadelphia, to another group of physicians for $3 million. M.S. Fox Real Estate arranged the sale ... The Deauville, a 94-unit apartment complex at 6725 Ridge Ave., Roxborough, was bought by an unidentified local investor for $5.6 million. The 50-year-old complex was sold by Kislak Co. of Woodbridge, N.J. Mallin Panchelli Nadel handled the sale ... A 43,000-square-foot building at 415 MacFarlan Road in the Longwood Corporate Center in Kennett Square traded for $4.3 million. A private partnership called Treemont Longwood Associates of Wayne bought the building from J&BB Associates of Christiana, Del. Marcus & Millichap executed the sale.