The OIG has conducted a review on the success of Medicaid managed care entities (MCE) in preventing excluded providers from entering their provider networks. The OIG found that all 12 selected MCEs in 10 states had safeguards to identify excluded providers, although activities varied. While 11 of the MCEs checked the OIG’s list of excluded individuals and entities, smaller numbers took steps such as requiring background checks as part of the provider enrollment process or requiring providers to enroll in state fee-for-service Medicaid programs. Four of the MCEs had a total of 11 excluded providers enrolled in their provider networks in 2009; payments for these excluded providers totaled $40,306. While OIG notes that the number of identified excluded providers is small, the OIG nevertheless recommends that CMS periodically remind states of their obligation to ensure that no excluded providers receive Medicaid payments.