Medicare Advantage in Benton County, Tennessee
2,458 people in Benton County, Tennessee were enrolled in Medicare Advantage in October 2026, 49.9% of 4,930 eligible beneficiaries (+1.4 pts since October 2025). BlueCross BlueShield of Tennessee is the largest parent organization with 36% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,515 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 122 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 38 to 37.
Parent organizations in Benton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| BlueCross BlueShield of Tennessee | 878 | +52 | 36.3% |
| UnitedHealth Group, Inc. | 644 | +32 | 26.7% |
| Humana Inc. | 488 | +26 | 20.2% |
| Health Care Service Corporation | 152 | +4 | 6.3% |
| Elevance Health, Inc. | 126 | −33 | 5.2% |
| CVS Health Corporation | 57 | +10 | 2.4% |
| Centene Corporation | 41 | −3 | 1.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 18 | −3 | 0.7% |
| Devoted Health, Inc. | 12 | new | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,348 beneficiaries in Benton County were assigned to 31 Medicare Shared Savings Program ACOs, 67.7% of assignable Original Medicare beneficiaries. Together, roughly 84% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.