Health, medical, hospital, pharmaceutical and prescription drug insurance underwriting; administration and organizing of prepaid and/or preferred provider and/or health maintenance organization and/or managed care health, medical, hospital, pharmaceutical, prescription drug plans and health savings accounts and similar accounts and related healthcare plans and networks, including claims administration and processing, enrolling, providing eligibility and benefit information, claims remittance advising, claims and benefits reporting; providing information, data, pertaining to the underwriting of health, medical, hospital, pharmaceutical and prescription drug insurance and pertaining to the administration and organizing of prepaid and/or preferred provider and/or health maintenance organization and/or managed care health, medical, hospital, pharmaceutical, prescription drug plans and health savings accounts and similar accounts and related healthcare plans and networks; administering, organizing and underwriting health care coverage through contracted relationships with subscribers and professional clinical, hospital, nursing home and other health care providers