Medicare Advantage in Prentiss County, Mississippi
1,850 people in Prentiss County, Mississippi were enrolled in Medicare Advantage in October 2026, 33.1% of 5,581 eligible beneficiaries (+1.9 pts since October 2025). CVS Health Corporation is the largest parent organization with 61% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 4,513 (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 18 to 22.
Parent organizations in Prentiss County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 1,124 | +148 | 61.4% |
| UnitedHealth Group, Inc. | 415 | −70 | 22.7% |
| Humana Inc. | 275 | +64 | 15.0% |
| Mitchell Family Office | 16 | 0 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,428 beneficiaries in Prentiss County were assigned to 8 Medicare Shared Savings Program ACOs, 43.3% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.