Medicare Advantage in Rutherford County, Tennessee
27,873 people in Rutherford County, Tennessee were enrolled in Medicare Advantage in October 2026, 51.3% of 54,298 eligible beneficiaries (−0.4 pts since October 2025). BlueCross BlueShield of Tennessee is the largest parent organization with 29% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 1,965 (highly concentrated). For 2027, 2,374 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 44 to 34.
Parent organizations in Rutherford County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| BlueCross BlueShield of Tennessee | 7,934 | +632 | 28.6% |
| UnitedHealth Group, Inc. | 5,597 | −1,240 | 20.2% |
| Health Care Service Corporation | 5,412 | +226 | 19.5% |
| Humana Inc. | 4,753 | +1,342 | 17.1% |
| CVS Health Corporation | 1,685 | −29 | 6.1% |
| Elevance Health, Inc. | 1,327 | −181 | 4.8% |
| Devoted Health, Inc. | 454 | +197 | 1.6% |
| Centene Corporation | 337 | −56 | 1.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 182 | −9 | 0.7% |
| Missouri Healthcare Advisors, LLC | 35 | −4 | 0.1% |
| Highmark Health | 14 | 0 | under 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, 10,409 beneficiaries in Rutherford County were assigned to 133 Medicare Shared Savings Program ACOs, 62.1% of assignable Original Medicare beneficiaries. Together, roughly 82% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.