Medicare Advantage in Smith County, Tennessee
2,250 people in Smith County, Tennessee were enrolled in Medicare Advantage in October 2026, 47.1% of 4,777 eligible beneficiaries (−0.9 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 27% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,072 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 539 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 36 to 33.
Parent organizations in Smith County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 603 | −67 | 27.2% |
| BlueCross BlueShield of Tennessee | 506 | +28 | 22.8% |
| Health Care Service Corporation | 448 | −31 | 20.2% |
| Humana Inc. | 423 | +108 | 19.1% |
| Elevance Health, Inc. | 100 | −1 | 4.5% |
| CVS Health Corporation | 72 | −19 | 3.3% |
| Centene Corporation | 32 | +2 | 1.4% |
| Devoted Health, Inc. | 31 | +14 | 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, 1,083 beneficiaries in Smith County were assigned to 21 Medicare Shared Savings Program ACOs, 59.9% of assignable Original Medicare beneficiaries. Together, roughly 79% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.