HealthChoice is the name of Maryland's statewide managed care program. Through HealthChoice, the state offers health services to eligible residents. Most of the services are provided through managed care organizations (MCOs). An MCO is a health plan with a group of doctors and other providers working together to provide health services to Medicaid members. Kaiser Permanente is an MCO that is part of Maryland's HealthChoice program. Eligible HealthChoice enrollees can choose Kaiser Permanente as the MCO where they want to receive their health services.