A computer system for processing data related to medical insurance has a communications device in communication with a network; a data storage device in communication with the communications device; and a processor in communication with the communications device and the data storage device. The processor is configured to receive, via the communications device, from a first source data indicative of medical provider claims, from a second source data indicative of insurance payments, and from a third source data indicative of medical provider data; identify common information items in said data from said first, second and third sources; and store the received data, in a data storage device, in a database, wherein said data from said first, second and third sources is cross-referenced with regard to said common information items.