Medicare Advantage in Jones County, Mississippi
7,137 people in Jones County, Mississippi were enrolled in Medicare Advantage in October 2026, 47.3% of 15,079 eligible beneficiaries (+0.4 pts since October 2025). Humana Inc. is the largest parent organization with 49% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,248 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 13 members here are in plans that terminate or leave the county. MA plans offered go from 27 to 30.
Parent organizations in Jones County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,473 | +230 | 48.8% |
| Health Care Service Corporation | 1,496 | +205 | 21.0% |
| UnitedHealth Group, Inc. | 1,251 | −348 | 17.6% |
| Centene Corporation | 767 | +45 | 10.8% |
| Elevance Health, Inc. | 58 | −6 | 0.8% |
| CVS Health Corporation | 34 | −2 | 0.5% |
| Mitchell Family Office | 24 | new | 0.3% |
| Singh Holdings LLC | 16 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 4,157 beneficiaries in Jones County were assigned to 25 Medicare Shared Savings Program ACOs, 64.4% of assignable Original Medicare beneficiaries. Together, roughly 81% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.