Providing health care services in the nature of health maintenance organizations; providing medical, health care, physician, nurse and medical professional hotline services; providing medical, health, physician, nutrition, and wellness information and providing medical reference databases to consumers, providers, administrators and participants in the health care industry via online computer networks; providing health care provider and physician databases via online computer networks; physician services; consultation services in the fields of substance abuse and addiction; providing links to web sites of others featuring medical reference databases, healthcare providers, administrators and participants in the health care industry, and healthcare provider and physician databases