MA payer · 2 active contracts
MERIDIAN HEALTH PLAN OF ILLINOIS, INC.
28,241
Total MA enrolled
95
Counties served
1
States served
IL
Largest state
Top states by enrollment
- 1IL28,241
Top counties
by single-county enrollment- 8,132Cook, ILHMO/HMOPOS · contract H6971
- 3,440Cook, ILHMO/HMOPOS · contract H5779
- 573Lake, ILHMO/HMOPOS · contract H6971
- 555Will, ILHMO/HMOPOS · contract H6971
- 544Sangamon, ILHMO/HMOPOS · contract H5779
- 544Kane, ILHMO/HMOPOS · contract H6971
- 495DuPage, ILHMO/HMOPOS · contract H6971
- 420Rock Island, ILHMO/HMOPOS · contract H5779
- 409Williamson, ILHMO/HMOPOS · contract H5779
- 406Winnebago, ILHMO/HMOPOS · contract H5779
- 406Macon, ILHMO/HMOPOS · contract H5779
- 314Winnebago, ILHMO/HMOPOS · contract H6971
- 313Mercer, ILHMO/HMOPOS · contract H5779
- 272Franklin, ILHMO/HMOPOS · contract H5779
- 269St. Clair, ILHMO/HMOPOS · contract H6971
Plan-type mix (enrollment)
HMO/HMOPOS
28,241 enrolled
Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).