Complex sentence: The company's co-ordination of benefits services provide validated insurance, finding liable third parties, and program integrity services identify improper payments and overpayments (also could recover it), and reduce fraud and waste.
Split into simpler sentences: The company's co-ordination of benefits services include providing validated insurance and helping find liable third parties. Their program integrity services identify improper payments and over-payments and attempt recovery, as well as reduce fraud and waste.