What areas of Illinois does Health Alliance cover? Cody Michael October 29, 2018 00:02 Updated Follow The above map shows where health coverage is available. Health Alliance is a great option for people in central and southern illinois. Get Quotes & Enroll Related articles What's the Difference Between an HMO and a PPO? What Health Insurance Plans are available in Illinois? - 2018 What plans will be available in the Peoria area in 2019? What is the Cheapest Illinois HSA Compatible Plan Available? (2018) What's the difference between BlueCare Direct, Blue FocusCare, and Blue Precision? Comments 0 comments Please sign in to leave a comment.