Medicare Advantage in Montgomery County, Mississippi
1,161 people in Montgomery County, Mississippi were enrolled in Medicare Advantage in October 2026, 42.1% of 2,755 eligible beneficiaries (+1.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 49% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 3,710 (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 24 to 28.
Parent organizations in Montgomery County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 548 | +57 | 48.9% |
| Humana Inc. | 385 | +9 | 34.3% |
| Centene Corporation | 98 | +28 | 8.7% |
| CVS Health Corporation | 90 | 0 | 8.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 751 beneficiaries in Montgomery County were assigned to 11 Medicare Shared Savings Program ACOs, 54.8% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.