Medicare Advantage in Webster County, Mississippi
1,167 people in Webster County, Mississippi were enrolled in Medicare Advantage in October 2026, 40.4% of 2,892 eligible beneficiaries (+7.3 pts since October 2025). CVS Health Corporation is the largest parent organization with 60% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 4,473 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 55 members here are in plans that terminate or leave the county, and BlueCross BlueShield of Alabama leaves. MA plans offered go from 20 to 23.
Parent organizations in Webster County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 693 | +220 | 59.9% |
| UnitedHealth Group, Inc. | 314 | −6 | 27.2% |
| Humana Inc. | 137 | +22 | 11.9% |
| BlueCross BlueShield of Alabama | 12 | new | 1.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 908 beneficiaries in Webster County were assigned to 11 Medicare Shared Savings Program ACOs, 54.2% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.