Medicare Advantage in Putnam County, Tennessee
9,003 people in Putnam County, Tennessee were enrolled in Medicare Advantage in October 2026, 47.9% of 18,801 eligible beneficiaries (+0.7 pts since October 2025). BlueCross BlueShield of Tennessee is the largest parent organization with 40% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 2,847 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 442 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 35 to 31.
Parent organizations in Putnam County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| BlueCross BlueShield of Tennessee | 3,577 | +176 | 40.0% |
| UnitedHealth Group, Inc. | 2,880 | +180 | 32.2% |
| Humana Inc. | 1,145 | +35 | 12.8% |
| Health Care Service Corporation | 417 | −11 | 4.7% |
| Elevance Health, Inc. | 359 | −27 | 4.0% |
| CVS Health Corporation | 312 | +4 | 3.5% |
| Centene Corporation | 107 | −12 | 1.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 98 | +1 | 1.1% |
| Missouri Healthcare Advisors, LLC | 31 | −5 | 0.3% |
| BrightSpring Health Services, Inc. | 27 | −4 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,600 beneficiaries in Putnam County were assigned to 70 Medicare Shared Savings Program ACOs, 20.3% of assignable Original Medicare beneficiaries. Together, roughly 58% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.