TRYNYTYhealth:enablement
MA Enrollment Explorer / Mississippi / Holmes County

Medicare Advantage in Holmes County, Mississippi

2,659 people in Holmes County, Mississippi were enrolled in Medicare Advantage in October 2026, 63.0% of 4,219 eligible beneficiaries (+0.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 43% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,980 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 22 to 26.

63.0%MA penetration, October 2026
2,659MA enrollees
43%leading parent's share
23.2%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Mississippi

Parent organizations in Holmes County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.1,131+2343.0%
Centene Corporation725+1727.6%
Humana Inc.434+616.5%
Devoted Health, Inc.238new9.1%
CVS Health Corporation101−213.8%

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

Value-based care alongside MA

In PY 2024, 272 beneficiaries in Holmes County were assigned to 13 Medicare Shared Savings Program ACOs, 23.2% of assignable Original Medicare beneficiaries. Together, roughly 72% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.