This Stats For Strategy list includes a ranking of the top 10 health plans in Illinois across all payers by 2016 enrollment. The top 10 health plans in Illinois provide coverage to over 80% of the state's total population with Blue Cross Blue Shield's commercial health plan – Health Care Service Corporation – in the #1 spot with over 7.5 million enrollees. This list is curated from OPEN MINDS proprietary datasets of stakeholders in the health and human service field. For more detailed lists of the health plans in Illinois, including all Medicare and Medicaid . . .