Our Medicare Advantage service area

The WellFirst Health — Provided by SSM Health Plan — Medicare Advantage service area includes Madison and St. Clair counties in Illinois, plus St. Charles and St. Louis counties and St. Louis City in Missouri. You must live in one of these areas to join our plan.

Questions? Contact us.

Senior man using phone and laptop in his living room.Members
Talk with our Customer Care Center at 1-877-301-3326 (TTY:711).
Not a member?
Talk with one of our Medicare sales reps at 1-314-405-5800 (TTY:711) You can also call to ask for information in alternate formats and languages. 
View our Medicare disclaimers

Updated 2/11/22