Health, medical, and hospital insurance underwriting; administration and organizing of prepaid and preferred provider health, medical, hospital and related health care plans and networks; administering and underwriting health care coverage through contracted relationships with subscribers and professional clinical, hospital, nursing home and other health care providers; financial management services featuring coordination of health plans for subscribing insureds, their employees and family members, with financial accounts that fund qualified tax-exempt and tax-deductible medical expenses; fund investment services; health plan fund administration; management and integration of health reimbursement arrangements with employer health care plans; providing online information regarding health and medical savings accounts; debit card services to facilitate payment of health care; administration and management of health reimbursement arrangements for subscribing insureds, their employees and family members