Coventry Health Care is a diversified national managed healthcare company based in Bethesda, Maryland, operating health plans, insurance companies, network rental and workers’ compensation services companies. Coventry provides a full range of risk and fee-based managed care products and services to a broad cross section of individuals, employer and government-funded groups, governmentagencies, and other insurance carriers and administrators. It is currently ranked the third most successful prescription drug plan service in the United States.