Medicare Advantage in Kane County, Illinois
38,397 people in Kane County, Illinois were enrolled in Medicare Advantage in October 2026, 40.2% of 95,573 eligible beneficiaries (−0.7 pts since October 2025). Humana Inc. is the largest parent organization with 38% of reported enrollment; 13 parent organizations have 11 or more members and the HHI is 2,492 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 2,449 members here are in plans that terminate or leave the county. MA plans offered go from 51 to 40.
Parent organizations in Kane County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 14,515 | +4,770 | 37.9% |
| CVS Health Corporation | 8,500 | −3,207 | 22.2% |
| UnitedHealth Group, Inc. | 7,937 | +25 | 20.7% |
| Health Care Service Corporation | 4,003 | −1,512 | 10.5% |
| Centene Corporation | 1,001 | −94 | 2.6% |
| Devoted Health, Inc. | 983 | +325 | 2.6% |
| Zing Health Consolidator, Inc | 850 | +213 | 2.2% |
| Molina Healthcare, Inc. | 277 | +101 | 0.7% |
| Rifkin Managed Care Holding, LLC | 75 | +24 | 0.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 46 | −2 | 0.1% |
| Elevance Health, Inc. | 35 | +5 | under 0.1% |
| Longevity Health Founders, LLC | 23 | −8 | under 0.1% |
| Union Health Services, Inc. | 11 | new | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 22,878 beneficiaries in Kane County were assigned to 133 Medicare Shared Savings Program ACOs, 56.2% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.