Medicare Advantage in Grenada County, Mississippi
2,166 people in Grenada County, Mississippi were enrolled in Medicare Advantage in October 2026, 38.7% of 5,596 eligible beneficiaries (+0.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,104 (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 12 to 19.
Parent organizations in Grenada County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 950 | +166 | 44.4% |
| Humana Inc. | 616 | −27 | 28.8% |
| Centene Corporation | 263 | +43 | 12.3% |
| CVS Health Corporation | 255 | −86 | 11.9% |
| Mitchell Family Office | 54 | +33 | 2.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 405 beneficiaries in Grenada County were assigned to 19 Medicare Shared Savings Program ACOs, 15.0% of assignable Original Medicare beneficiaries. Together, roughly 48% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.