Medicare Advantage in Clark County, Indiana
12,897 people in Clark County, Indiana were enrolled in Medicare Advantage in October 2026, 47.6% of 27,109 eligible beneficiaries (+0.8 pts since October 2025). Humana Inc. is the largest parent organization with 49% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 3,433 (highly concentrated). For 2027, 691 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 37.
Parent organizations in Clark County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 6,292 | +1,377 | 49.1% |
| Elevance Health, Inc. | 3,522 | −877 | 27.5% |
| UnitedHealth Group, Inc. | 2,074 | −26 | 16.2% |
| Centene Corporation | 220 | +90 | 1.7% |
| Devoted Health, Inc. | 184 | +141 | 1.4% |
| CVS Health Corporation | 140 | −346 | 1.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 116 | +6 | 0.9% |
| Rifkin Managed Care Holding, LLC | 104 | new | 0.8% |
| Lumeris Group Holdings Corporation | 87 | +3 | 0.7% |
| SNP Holdings, LLC | 70 | +18 | 0.5% |
| CitiPACE Holding Company, LLC | 13 | new | 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, 2,819 beneficiaries in Clark County were assigned to 60 Medicare Shared Savings Program ACOs, 28.0% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.