Medicare Advantage in Franklin County, Tennessee
5,535 people in Franklin County, Tennessee were enrolled in Medicare Advantage in October 2026, 46.9% of 11,790 eligible beneficiaries (−0.2 pts since October 2025). BlueCross BlueShield of Tennessee is the largest parent organization with 37% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,906 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 370 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 34 to 29.
Parent organizations in Franklin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| BlueCross BlueShield of Tennessee | 2,012 | +48 | 36.6% |
| UnitedHealth Group, Inc. | 1,962 | +73 | 35.7% |
| Humana Inc. | 881 | +82 | 16.0% |
| CVS Health Corporation | 258 | −34 | 4.7% |
| Elevance Health, Inc. | 191 | −50 | 3.5% |
| Health Care Service Corporation | 90 | −7 | 1.6% |
| Centene Corporation | 69 | −4 | 1.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 37 | −1 | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,405 beneficiaries in Franklin County were assigned to 55 Medicare Shared Savings Program ACOs, 51.9% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.