Centene, under its brand Ambetter, expects to receive regulatory approval to expand its exchange footprint into four new states and into additional service areas in its existing six states for 2019, the St. Louis-based company announced last week. Ambetter plans to enter markets in Pennsylvania, North Carolina, South Carolina and Tennessee, and move into new areas in Florida, Georgia, Indiana, Kansas, Missouri and Texas. Centene says its business continued to be successful over the past year, with enrollment growing to...