TRYNYTYhealth:enablement
MA Enrollment Explorer / Alabama / Marshall County

Medicare Advantage in Marshall County, Alabama

12,651 people in Marshall County, Alabama were enrolled in Medicare Advantage in October 2026, 57.4% of 22,025 eligible beneficiaries (+1.0 pts since October 2025). Humana Inc. is the largest parent organization with 31% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 1,909 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 869 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 35.

57.4%MA penetration, October 2026
12,651MA enrollees
31%leading parent's share
41.6%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Alabama

Parent organizations in Marshall County

Parent organizationMembersChange since October 2025Share
Humana Inc.3,956+1,77231.3%
BlueCross BlueShield of Alabama2,741+7921.7%
UnitedHealth Group, Inc.2,070−1,52916.4%
CVS Health Corporation924−1647.3%
Devoted Health, Inc.888+4297.0%
Triton Health Systems, L.L.C.804+726.4%
Health Care Service Corporation769−2986.1%
Highmark Health217+61.7%
Associated Care Ventures, Inc.100+220.8%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.93−70.7%
Elevance Health, Inc.57+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, 3,075 beneficiaries in Marshall County were assigned to 45 Medicare Shared Savings Program ACOs, 41.6% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.