Medicare Advantage in Bolivar County, Mississippi
3,811 people in Bolivar County, Mississippi were enrolled in Medicare Advantage in October 2026, 51.6% of 7,390 eligible beneficiaries (+1.1 pts since October 2025). Humana Inc. is the largest parent organization with 46% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,091 (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 24 to 28.
Parent organizations in Bolivar County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,737 | +17 | 45.7% |
| UnitedHealth Group, Inc. | 1,680 | +295 | 44.2% |
| Centene Corporation | 218 | +13 | 5.7% |
| CVS Health Corporation | 140 | −20 | 3.7% |
| Mitchell Family Office | 25 | −7 | 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, 764 beneficiaries in Bolivar County were assigned to 20 Medicare Shared Savings Program ACOs, 26.1% of assignable Original Medicare beneficiaries. Together, roughly 64% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.