Medicare Advantage in Copiah County, Mississippi
3,619 people in Copiah County, Mississippi were enrolled in Medicare Advantage in October 2026, 55.1% of 6,564 eligible beneficiaries (+0.4 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 3,419 (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 29 to 32.
Parent organizations in Copiah County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,641 | +144 | 45.8% |
| UnitedHealth Group, Inc. | 1,197 | −108 | 33.4% |
| Centene Corporation | 462 | −10 | 12.9% |
| Devoted Health, Inc. | 185 | new | 5.2% |
| CVS Health Corporation | 95 | −59 | 2.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,283 beneficiaries in Copiah County were assigned to 16 Medicare Shared Savings Program ACOs, 56.0% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.