Medicare Advantage in Oktibbeha County, Mississippi
2,543 people in Oktibbeha County, Mississippi were enrolled in Medicare Advantage in October 2026, 32.1% of 7,915 eligible beneficiaries (−2.5 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 4,651 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 763 members here are in plans that terminate or leave the county, and UnitedHealth Group, Inc. leaves. MA plans offered go from 8 to 5.
Parent organizations in Oktibbeha County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 1,502 | +43 | 59.7% |
| UnitedHealth Group, Inc. | 810 | −178 | 32.2% |
| Humana Inc. | 169 | +23 | 6.7% |
| Singh Holdings LLC | 34 | +21 | 1.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,432 beneficiaries in Oktibbeha County were assigned to 32 Medicare Shared Savings Program ACOs, 34.9% 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.