TRYNYTYhealth:enablement
MA Enrollment Explorer / Tennessee / Sequatchie County

Medicare Advantage in Sequatchie County, Tennessee

3,142 people in Sequatchie County, Tennessee were enrolled in Medicare Advantage in October 2026, 59.8% of 5,255 eligible beneficiaries (+0.9 pts since October 2025). BlueCross BlueShield of Tennessee is the largest parent organization with 42% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,739 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 185 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 40 to 37.

59.8%MA penetration, October 2026
3,142MA enrollees
42%leading parent's share
54.3%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Tennessee

Parent organizations in Sequatchie County

Parent organizationMembersChange since October 2025Share
BlueCross BlueShield of Tennessee1,290+7741.6%
UnitedHealth Group, Inc.756+3724.4%
Humana Inc.570−518.4%
Health Care Service Corporation216−37.0%
Elevance Health, Inc.122−23.9%
Devoted Health, Inc.62+292.0%
CVS Health Corporation36−91.2%
Centene Corporation30−21.0%
Missouri Healthcare Advisors, LLC16−40.5%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 827 beneficiaries in Sequatchie County were assigned to 35 Medicare Shared Savings Program ACOs, 54.3% 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.