administration of pre-paid health care plans; administration of preferred provider plans in the field of health; medical insurance underwriting; financial analysis and consultation; financial information provided by electronic means; financial management; cash management; investment management; financial investment in the field of health; medical insurance claims processing; electronic processing of medical insurable claims and payment data; claims adjustment services in the field of medical insurance; financial information services in the field of medical insurance; financial information services provided by electronic means for health care consumers and providers