Caremark Rx is one of the largest pharmaceutical services companies in the U.S., with revenue of approximately $36.8 billion (including approximately $5.8 billion of retail copayments) in 2006. Caremark customers are primarily sponsors of health benefit plans (employers, unions, government employee groups, insurance companies and managed care organizations) and individuals located throughout the United States.
Caremark dispenses pharmaceuticals to eligible participants in benefit plans maintained by its customers and utilizes its information systems to perform safety checks, drug interaction screening and generic substitution. In addition, Caremark is a national provider of drug benefits to eligible beneficiaries under the federal government's Medicare Part D program. During the year ended December 31, 2006, Caremark managed over 516 million prescriptions for individuals from over 2,000 organizations, and its largest customer, the Federal Employees Health Benefit Plan, accounted for approximately 16% of the company's net revenue. During the year ended December 31, 2006, Caremark processed approximately 60 million prescriptions through its mail service pharmacies and processed approximately 457 million retail pharmacy claims. Caremark also operates a limited number of CareCenter pharmacies located at client sites, which provide participants with a convenient alternative for filling their prescriptions. Caremark and CVS Corporation recently completed a merger agreement to create the nation's premier integrated pharmacy services provider, combining one of the nation's leading pharmaceutical services companies with the largest pharmacy chain. | 
Healthcare Market Overviews