Maine Did Not Always Invoice Rebates to Manufacturers for Physician-Administered Drugs

For a covered outpatient drug to be eligible for Federal reimbursement under the Medicaid program’s drug rebate requirements, manufacturers must pay rebates to the States for the drugs. However, a prior OIG review found that States did not always invoice and collect all rebates due for drugs administered by physicians.Our objective was to determine whether Maine complied with Federal Medicaid requirements for invoicing manufacturers for rebates for physician-administered drugs.