Medicare Advantage in Sunflower County, Mississippi
2,931 people in Sunflower County, Mississippi were enrolled in Medicare Advantage in October 2026, 57.1% of 5,137 eligible beneficiaries (+0.8 pts since October 2025). Humana Inc. is the largest parent organization with 54% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,355 (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 23 to 27.
Parent organizations in Sunflower County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,567 | +65 | 53.8% |
| UnitedHealth Group, Inc. | 1,098 | +166 | 37.7% |
| Centene Corporation | 141 | +5 | 4.8% |
| CVS Health Corporation | 77 | −31 | 2.6% |
| Mitchell Family Office | 27 | −5 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,195 beneficiaries in Sunflower County were assigned to 17 Medicare Shared Savings Program ACOs, 63.9% of assignable Original Medicare beneficiaries. Together, roughly 85% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.