Medicare Advantage in Trousdale County, Tennessee
1,067 people in Trousdale County, Tennessee were enrolled in Medicare Advantage in October 2026, 51.1% of 2,089 eligible beneficiaries (−0.2 pts since October 2025). Health Care Service Corporation is the largest parent organization with 33% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,186 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 212 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 39 to 35.
Parent organizations in Trousdale County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Health Care Service Corporation | 340 | −12 | 32.7% |
| UnitedHealth Group, Inc. | 231 | −20 | 22.2% |
| BlueCross BlueShield of Tennessee | 205 | +28 | 19.7% |
| Humana Inc. | 143 | +39 | 13.7% |
| Elevance Health, Inc. | 66 | −20 | 6.3% |
| Centene Corporation | 22 | −2 | 2.1% |
| CVS Health Corporation | 19 | −4 | 1.8% |
| Devoted Health, Inc. | 15 | new | 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, 228 beneficiaries in Trousdale County were assigned to 13 Medicare Shared Savings Program ACOs, 34.1% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.