TRYNYTYhealth:enablement
MA Enrollment Explorer / West Virginia / Grant County

Medicare Advantage in Grant County, West Virginia

1,523 people in Grant County, West Virginia were enrolled in Medicare Advantage in October 2026, 44.4% of 3,433 eligible beneficiaries (+3.4 pts since October 2025). Humana Inc. is the largest parent organization with 52% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,536 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 210 members here are in plans that terminate or leave the county. MA plans offered go from 30 to 28.

44.4%MA penetration, October 2026
1,523MA enrollees
52%leading parent's share
16.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in West Virginia

Parent organizations in Grant County

Parent organizationMembersChange since October 2025Share
Humana Inc.778+10752.4%
UnitedHealth Group, Inc.309−1220.8%
CVS Health Corporation266+3017.9%
West Virginia United Health System, Inc.74+615.0%
UMWA Health and Retirement Funds38−12.6%
The Health Plan of West Virginia, Inc.19+21.3%

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

Value-based care alongside MA

In PY 2024, 240 beneficiaries in Grant County were assigned to 15 Medicare Shared Savings Program ACOs, 16.4% of assignable Original Medicare beneficiaries. Together, roughly 53% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.