Understanding this system before you need it = peace of mind I'm Costa Rican. I grew up with Caja Costarricense del Seguro Social (CCSS) . I knew which EBAIS to visit, how to wait for appointments, where my family went for emergencies. I thought I understood our healthcare system completely—after all, it was mine. Then I started managing British Embassy diplomatic residences and coordinating medical care for international staff and their families. Suddenly I was seeing Costa