Health Alliance  https://healthalliance.org/xSplash.asp

"For more than 25 years, Health Alliance has offered quality health coverage.  Founded by physicians in 1980, we are the largest managed care organization based in downstate Illinois.  Health Alliance covers more than 250,000 lives in Illinois and Iowa enrolled through more than 2,000 employer groups.  Our corporate office is located in Urbana, Illinois.  Health Alliance Midwest, based in Ames, Iowa, serves our Iowa members.  We are committed to providing value to our members.  As part of this commitment, we emphasize wellness education and prevention and have assembled networks of the best health care professionals."