Review and verify evidence supporting administrative action as it relates to payment suspensions, revocations, overpayments as well as other administrative actions that can be pursued (payment suspension, revocation, prepayment edits, auto-denial edits). SafeGuard Services (SGS), a subsidiary of Peraton, performs data analysis, investigation, and medical review to detect, prevent, deter, reduce, and make referrals to recover fraud, waste, and abuse.