cost management for the health care benefit plans of others; health care utilization, review and costs containment services; medical cost management for the health benefit plans of others; clerical services, namely, intake of medical patients and administrative medical case management; medical referrals, namely, doctor and health insurance agent referrals; business management, namely, medical practice management; managed care services, namely, utilization review and pre-certification services; health care review services, namely, review of medical bills; managed care services, namely, electronic processing of health care billing information; cost management for the health benefit plans of others, health care cost containment, and health care cost review, all provided via a computer network