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Follow-Up Audit of the Medicaid Drug Rebate Program in Maine

Maine's Department of Health and Human Services (the State agency) had not implemented the recommendations from our prior audit to provide accurate drug rebate amounts, properly report drug rebate receivables in its quarterly report, implement policies for resolving disputed items, and develop a system to calculate and track the amount of interest owed on unpaid drug rebates. The State agency had established controls over collecting rebates on single source drugs administered by physicians.