Program Information Caduceus is a community based multi-specialty medical group practice and health care management company in Orange County.Caduceus is owned by its doctors and is unique in its independence from interference by health plans or hospitals. Caduceus utilizes guaranteed access to care as a cornerstone of its philosophy. SAME DAY VISITS and ONLINE CONCIERGE SERVICES are an example of the innovative approach Caduceus takes to the delivery of health care.