Medicare Advantage in Clarke County, Mississippi
1,988 people in Clarke County, Mississippi were enrolled in Medicare Advantage in October 2026, 47.7% of 4,172 eligible beneficiaries (+1.2 pts since October 2025). Humana Inc. is the largest parent organization with 44% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 3,672 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 21 to 24.
Parent organizations in Clarke County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 862 | +126 | 44.0% |
| UnitedHealth Group, Inc. | 741 | −48 | 37.8% |
| Centene Corporation | 344 | +6 | 17.6% |
| Elevance Health, Inc. | 13 | −2 | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 738 beneficiaries in Clarke County were assigned to 14 Medicare Shared Savings Program ACOs, 40.2% of assignable Original Medicare beneficiaries. Together, roughly 69% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.