Medicare Advantage in Rhea County, Tennessee
5,082 people in Rhea County, Tennessee were enrolled in Medicare Advantage in October 2026, 58.6% of 8,675 eligible beneficiaries (+1.3 pts since October 2025). BlueCross BlueShield of Tennessee is the largest parent organization with 37% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,862 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 283 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 37 to 35.
Parent organizations in Rhea County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| BlueCross BlueShield of Tennessee | 1,867 | +145 | 37.1% |
| Humana Inc. | 1,530 | +32 | 30.4% |
| UnitedHealth Group, Inc. | 1,167 | +21 | 23.2% |
| Elevance Health, Inc. | 157 | −50 | 3.1% |
| Devoted Health, Inc. | 72 | +29 | 1.4% |
| Centene Corporation | 70 | −20 | 1.4% |
| CVS Health Corporation | 69 | −8 | 1.4% |
| Health Care Service Corporation | 67 | +8 | 1.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 28 | +1 | 0.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,438 beneficiaries in Rhea County were assigned to 36 Medicare Shared Savings Program ACOs, 47.2% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.