Medicare Advantage in Cheatham County, Tennessee
5,435 people in Cheatham County, Tennessee were enrolled in Medicare Advantage in October 2026, 56.0% of 9,701 eligible beneficiaries (−0.5 pts since October 2025). Health Care Service Corporation is the largest parent organization with 32% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,325 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 431 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 40 to 35.
Parent organizations in Cheatham County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Health Care Service Corporation | 1,738 | +207 | 32.2% |
| BlueCross BlueShield of Tennessee | 1,564 | +25 | 29.0% |
| UnitedHealth Group, Inc. | 851 | −151 | 15.8% |
| Humana Inc. | 712 | +85 | 13.2% |
| CVS Health Corporation | 224 | −29 | 4.1% |
| Elevance Health, Inc. | 133 | −17 | 2.5% |
| Devoted Health, Inc. | 83 | +37 | 1.5% |
| Centene Corporation | 67 | 0 | 1.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 27 | −3 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,492 beneficiaries in Cheatham County were assigned to 27 Medicare Shared Savings Program ACOs, 56.7% of assignable Original Medicare beneficiaries. Together, roughly 81% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.