Medicare Advantage in Newton County, Mississippi
1,912 people in Newton County, Mississippi were enrolled in Medicare Advantage in October 2026, 38.9% of 4,911 eligible beneficiaries (+0.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 62% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 4,608 (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 16 to 22.
Parent organizations in Newton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,176 | +40 | 62.5% |
| Centene Corporation | 355 | +70 | 18.9% |
| Humana Inc. | 351 | −23 | 18.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 680 beneficiaries in Newton County were assigned to 14 Medicare Shared Savings Program ACOs, 27.2% of assignable Original Medicare beneficiaries. Together, roughly 56% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.