A Warren County man is back in his home county to face TennCare fraud involving doctor shopping after he was arrested in Florida.The Office of Inspector General has announced the arrest of Ivy A. Carter Jr., 48, of Port Orange, Fla. He was charged by the OIG in March of last year with three counts of fraudulently using TennCare to obtain a controlled substance by doctor shopping, or going to multiple physicians for prescriptions, usually for painkillers or controlled substances. Carter received prescriptions for the painkiller hydrocodone, with the drugs being paid for with TennCare benefits.