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MA Enrollment Explorer / States / West Virginia

Medicare Advantage in West Virginia: enrollment, penetration and market share

259,864 people in West Virginia were enrolled in Medicare Advantage in October 2026. 56.6% of the state's 459,251 eligible Medicare beneficiaries are in Medicare Advantage, +0.9 pts since October 2025. Humana Inc. is the largest parent organization with 46% of reported enrollment; 11 parent organizations have 11 or more members, and the market's HHI is 2,763 (highly concentrated). Through the 2026 Annual Election Period (December to February), reported MA enrollment in West Virginia changed by +6,591 (+2.6%).

56.6%MA penetration, October 2026
260KMA enrollees
11parent organizations (11+ members)
2,763HHI, highly concentrated
Open West Virginia on the market mapMSSP ACOs in West Virginia

Parent organizations in West Virginia

Parent organizationMembersChangeShareShare change
Humana Inc.118,997+7,64046.1%+1.8 pts
CVS Health Corporation46,564+57418.0%−0.2 pts
UnitedHealth Group, Inc.36,749−4,29514.2%−2.1 pts
Highmark Health18,135−7,9207.0%−3.3 pts
UMWA Health and Retirement Funds13,778−4945.3%−0.3 pts
West Virginia United Health System, Inc.12,336+8,8694.8%+3.4 pts
The Health Plan of West Virginia, Inc.7,773+1,6893.0%+0.6 pts
Elevance Health, Inc.1,843+7060.7%+0.3 pts
SNP Holdings, LLC1,601+380.6%−0.00 pts
C & O Employees' Hospital Association325+90.1%+0.00 pts
CareFirst, Inc.74+19under 0.1%+0.01 pts

Change and share change are since October 2025. Shares are of reported enrollment in the CMS State/County/Contract file.

Counties

CountyMA enrolleesPenetrationLeading parent
Kanawha County28,93661.7%Humana Inc. 48%
Berkeley County11,97244.1%Humana Inc. 47%
Cabell County11,93856.6%Humana Inc. 45%
Wood County11,73151.5%Humana Inc. 48%
Raleigh County10,41452.6%Humana Inc. 38%
Mercer County9,62459.6%Humana Inc. 46%
Harrison County9,55157.5%Humana Inc. 48%
Monongalia County9,37757.0%Humana Inc. 50%
Marion County8,33658.9%Humana Inc. 44%
Putnam County8,24158.5%Humana Inc. 46%
Fayette County6,70961.2%Humana Inc. 44%
Ohio County6,46955.3%Humana Inc. 31%
Wayne County6,21462.6%Humana Inc. 47%
Logan County5,59865.0%Humana Inc. 49%
Jefferson County5,44741.1%Humana Inc. 48%
Greenbrier County5,29852.7%Humana Inc. 41%
Marshall County4,95566.4%Humana Inc. 30%
Preston County4,80256.0%Humana Inc. 48%
Nicholas County4,75164.3%Humana Inc. 47%
Jackson County4,67361.8%Humana Inc. 41%
Mingo County4,49869.3%Humana Inc. 51%
Mason County4,21961.8%Humana Inc. 40%
Randolph County4,11454.4%Humana Inc. 57%
Boone County4,06771.2%Humana Inc. 43%
Hancock County3,97448.2%Humana Inc. 34%
Upshur County3,78959.9%Humana Inc. 54%
Lincoln County3,78871.9%Humana Inc. 43%
Wyoming County3,72768.5%CVS Health Corporation 31%
McDowell County3,49767.4%Humana Inc. 42%
Brooke County3,33054.6%Humana Inc. 36%
Hampshire County3,17846.8%Humana Inc. 46%
Mineral County2,99241.0%Humana Inc. 52%
Lewis County2,72160.5%Humana Inc. 60%
Braxton County2,47164.9%Humana Inc. 55%
Wetzel County2,46563.3%Humana Inc. 43%
Roane County2,42858.0%Humana Inc. 56%
Barbour County2,42057.7%Humana Inc. 52%
Morgan County2,38944.6%Humana Inc. 43%
Taylor County2,28854.3%Humana Inc. 53%
Summers County2,02155.9%Humana Inc. 48%
Monroe County1,90648.3%Humana Inc. 55%
Clay County1,79671.5%Humana Inc. 45%
Hardy County1,75844.5%Humana Inc. 56%
Webster County1,75270.5%Humana Inc. 50%
Ritchie County1,52553.6%Humana Inc. 62%
Grant County1,52344.4%Humana Inc. 52%
Pocahontas County1,33151.8%Humana Inc. 57%
Tyler County1,28753.2%Humana Inc. 46%
Calhoun County1,21757.7%Humana Inc. 50%
Pendleton County1,17750.2%Humana Inc. 62%
Tucker County1,14156.2%Humana Inc. 50%
Pleasants County1,06956.1%Humana Inc. 57%
Wirt County1,06860.1%Humana Inc. 52%
Gilmer County95765.2%Humana Inc. 61%
Doddridge County94552.3%Humana Inc. 56%