Medicare Advantage in Carroll County, Mississippi
906 people in Carroll County, Mississippi were enrolled in Medicare Advantage in October 2026, 31.8% of 2,845 eligible beneficiaries (+0.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 57% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,864 (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 18 to 22.
Parent organizations in Carroll County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 504 | +59 | 57.1% |
| Centene Corporation | 154 | +22 | 17.5% |
| Humana Inc. | 130 | −14 | 14.7% |
| CVS Health Corporation | 75 | −11 | 8.5% |
| Mitchell Family Office | 19 | +1 | 2.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 485 beneficiaries in Carroll County were assigned to 15 Medicare Shared Savings Program ACOs, 32.1% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.