TRYNYTYhealth:enablement
MA Enrollment Explorer / Mississippi / DeSoto County

Medicare Advantage in DeSoto County, Mississippi

12,855 people in DeSoto County, Mississippi were enrolled in Medicare Advantage in October 2026, 38.2% of 33,612 eligible beneficiaries (+1.0 pts since October 2025). Humana Inc. is the largest parent organization with 50% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 3,282 (highly concentrated). For 2027, 144 members here are in plans that terminate or leave the county. MA plans offered go from 34 to 37.

38.2%MA penetration, October 2026
12,855MA enrollees
50%leading parent's share
43.0%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Mississippi

Parent organizations in DeSoto County

Parent organizationMembersChange since October 2025Share
Humana Inc.6,458+51350.5%
UnitedHealth Group, Inc.2,835−522.2%
CVS Health Corporation1,755−29213.7%
Devoted Health, Inc.669+4635.2%
Centene Corporation439+93.4%
Health Care Service Corporation250−892.0%
Zing Health Consolidator, Inc228+751.8%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.43−10.3%
Elevance Health, Inc.4000.3%
Mitchell Family Office33+220.3%
BlueCross BlueShield of Tennessee28−220.2%

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

Value-based care alongside MA

In PY 2024, 6,345 beneficiaries in DeSoto County were assigned to 81 Medicare Shared Savings Program ACOs, 43.0% of assignable Original Medicare beneficiaries. Together, roughly 65% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.