Enroll in our Medica Advantage Salute (Medica/SSM) plan to receive coverage with premier benefits for $0 per month. We have a strong network of providers that you can access in addition to your TRICARE providers in St. Louis City and the surrounding five-county service area: Madison County IL, St. Clair, County IL, St. Charles County, MO, St. Louis County, MO, St. Louis City, MO, Warren County, MO. You must live in the service area to enroll in our plan.