Medicare Advantage in Coahoma County, Mississippi
2,697 people in Coahoma County, Mississippi were enrolled in Medicare Advantage in October 2026, 52.9% of 5,103 eligible beneficiaries (+1.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 47% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 4,340 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 60 members here are in plans that terminate or leave the county, and CVS Health Corporation leaves. MA plans offered go from 24 to 24.
Parent organizations in Coahoma County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,247 | +133 | 46.7% |
| Humana Inc. | 1,233 | +2 | 46.2% |
| Centene Corporation | 108 | +18 | 4.0% |
| CVS Health Corporation | 82 | −16 | 3.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 351 beneficiaries in Coahoma County were assigned to 24 Medicare Shared Savings Program ACOs, 20.2% 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.