The Illinois Department of Healthcare and Family Services (HFS) is a state agency responsible for managing healthcare programs and services for residents of Illinois. It oversees the Medicaid program, which provides health coverage to low-income individuals and families, ensuring access to necessary medical care. HFS also administers various family support services, including assistance for child care and nutrition programs. The agency aims to improve the health and well-being of Illinois residents by coordinating services and resources, promoting public health initiatives, and ensuring compliance with federal and state regulations.