 EL SEGUNDO, Calif.--BUSINESS WIRE-- PracticeNotCompany--Radiology Partners RP, the leading radiology practice in the U.S., today announced the completion of its acquisition of MEDNAX Radiology Solutions, a division of MEDNAX, Inc. NYSE: MD, in a transaction valued at approximately 885 million. Following all necessary regulatory approvalsincluding the Federal Trade Commissions FTC Hart-Scott Rodino HSR antitrust review process and other customary closing conditionsthe acquisition closed and became effe 