OSF Direct Access Network / DAN http://osfdirectaccess.com/
"The Direct Access Network (DAN) is a Preferred Provider Organization (PPO), a part of OSF HealthCare. This network of quality healthcare providers partners with self-funded employer sponsored health benefit plans for access to quality medical providers in a 32-county service area. DAN is a team of 23 Hospitals, over 2,500 Physicians & Other Practitioners, and Hundreds of Ancillary Providers."