MA payer · 2 active contracts
COVENTRY HEALTH CARE OF ILLINOIS, INC.
101,465
Total MA enrolled
104
Counties served
2
States served
IL
Largest state
Top counties
by single-county enrollment- 13,706Winnebago, ILLocal PPO · contract H7301
- 9,758Cook, ILLocal PPO · contract H7301
- 7,293Rock Island, ILLocal PPO · contract H7301
- 6,538Champaign, ILLocal PPO · contract H7301
- 5,623Sangamon, ILLocal PPO · contract H7301
- 4,704Vermilion, ILLocal PPO · contract H7301
- 3,663Stephenson, ILLocal PPO · contract H7301
- 3,269Macon, ILLocal PPO · contract H7301
- 2,222McLean, ILLocal PPO · contract H7301
- 2,085Ogle, ILLocal PPO · contract H7301
- 1,889Boone, ILLocal PPO · contract H7301
- 1,828Henry, ILLocal PPO · contract H7301
- 1,803Peoria, ILLocal PPO · contract H7301
- 1,679DuPage, ILLocal PPO · contract H7301
- 1,572Tazewell, ILLocal PPO · contract H7301
Plan-type mix (enrollment)
Local PPO
97,609 enrolled
HMO/HMOPOS
3,856 enrolled
Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).