Medicare Advantage in Wilson County, Tennessee
16,904 people in Wilson County, Tennessee were enrolled in Medicare Advantage in October 2026, 50.7% of 33,333 eligible beneficiaries (−0.9 pts since October 2025). Health Care Service Corporation is the largest parent organization with 38% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 2,440 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 656 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 45 to 40.
Parent organizations in Wilson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Health Care Service Corporation | 6,470 | +508 | 38.5% |
| BlueCross BlueShield of Tennessee | 3,638 | +126 | 21.7% |
| UnitedHealth Group, Inc. | 2,695 | −709 | 16.1% |
| Humana Inc. | 2,319 | +438 | 13.8% |
| CVS Health Corporation | 904 | +13 | 5.4% |
| Elevance Health, Inc. | 414 | −31 | 2.5% |
| Devoted Health, Inc. | 119 | +46 | 0.7% |
| Centene Corporation | 119 | −14 | 0.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 93 | −6 | 0.6% |
| Zing Health Consolidator, Inc | 18 | new | 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 6,494 beneficiaries in Wilson County were assigned to 116 Medicare Shared Savings Program ACOs, 59.1% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.