Algonquin Nurses, Inc. 1000 Lake Saint Louis Blvd Ste 22, Lake St Louis, MO63367 Algonquin Nurses, Inc. provides RNs, LPNs, CNs and health care assistance to homes, hospitals and care…More facilities. It offers nursing care, respite care, personal care and specialized nurses for your fill-in needs. It provides 24-hour coordinating services. This branch serves St. Charles, Warren and Lincoln Counties. Call Algonquin Nurses, Inc. for more information.