Managed Care contract review, Auditing, Underpayment recoveries, Review of contractual allowances, Research and legal applications, Patient advocacy, Substantive appeals, ERISA claims, Workers compensation, Stop loss provisions, Contract interpretation, Illegal clauses and procedures, Mandated benefits, Limitations of State and Federal laws, ERISA, HIPAA, COBRA, Patient protection laws, Timely filing, Misverification of benefits, Non-covered treatment, Wrongful delay, Usual and customary rates, Refund requests and offsets, Out-of-network provider, Coordination of benefits, Medical necessity, Authorization denial, Pre-existing condition, Recission