underwriting and administrative services, on a prepayment basis, relating to emergency medical care; prepaid financing and administration of medical care, pharmaceutical care and related health care services

health care services in the nature of a health maintenance organization; consulting services in connection therewith; selecting health care providers for offering health care services at reduced costs to participating members so as to contain health care costs; rehabilitation services for disabled persons; organizational services; namely, promoting the interests of persons concerned with personal health maintenance and safety