TRYNYTYhealth:enablement
MA Enrollment Explorer / States / Indiana

Medicare Advantage in Indiana: enrollment, penetration and market share

733,678 people in Indiana were enrolled in Medicare Advantage in October 2026. 51.1% of the state's 1,435,672 eligible Medicare beneficiaries are in Medicare Advantage, +0.2 pts since October 2025. UnitedHealth Group, Inc. is the largest parent organization with 35% of reported enrollment; 25 parent organizations have 11 or more members, and the market's HHI is 2,542 (highly concentrated). Through the 2026 Annual Election Period (December to February), reported MA enrollment in Indiana changed by +10,950 (+1.5%).

51.1%MA penetration, October 2026
734KMA enrollees
25parent organizations (11+ members)
2,542HHI, highly concentrated
Open Indiana on the market mapMSSP ACOs in Indiana

Parent organizations in Indiana

Parent organizationMembersChangeShareShare change
UnitedHealth Group, Inc.254,920+68834.9%−0.9 pts
Humana Inc.220,809+41,80730.3%+5.0 pts
Elevance Health, Inc.138,078−46,37418.9%−7.1 pts
CVS Health Corporation38,335−7,2405.3%−1.2 pts
Devoted Health, Inc.20,756+18,6902.8%+2.6 pts
Blue Cross Blue Shield of Michigan Mutual Ins. Co.17,665−1,6752.4%−0.3 pts
SIHO Holding, Inc.10,892+5,9321.5%+0.8 pts
Centene Corporation10,304+3,9181.4%+0.5 pts
Zing Health Consolidator, Inc8,517+2,9581.2%+0.4 pts
Rifkin Managed Care Holding, LLC4,395+1,6480.6%+0.2 pts
UMWA Health and Retirement Funds1,603−900.2%−0.02 pts
Health Care Service Corporation815+720.1%+0.01 pts
SNP Holdings, LLC544+89under 0.1%+0.01 pts
Mitchell Family Office483+59under 0.1%+0.01 pts
Franciscan Alliance, Inc.376+62under 0.1%+0.01 pts
Highmark Health273+78under 0.1%+0.01 pts
Trinity Health Corporation179+8under 0.1%+0.00 pts
Aging & In-Home Services of Northeast Indiana, Inc169+35under 0.1%+0.00 pts
Lumeris Group Holdings Corporation140−105under 0.1%−0.02 pts
Reid Hospital & Health Care Services, Inc.112+35under 0.1%+0.00 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
Marion County93,60158.5%UnitedHealth Group, Inc. 33%
Allen County50,15864.7%UnitedHealth Group, Inc. 42%
Lake County49,47046.5%Elevance Health, Inc. 34%
St. Joseph County30,31355.6%UnitedHealth Group, Inc. 46%
Hamilton County27,87242.5%UnitedHealth Group, Inc. 39%
Elkhart County20,34353.3%UnitedHealth Group, Inc. 37%
Vanderburgh County19,40247.6%UnitedHealth Group, Inc. 33%
Madison County19,34161.5%UnitedHealth Group, Inc. 30%
Hendricks County17,78051.5%UnitedHealth Group, Inc. 41%
Johnson County17,36752.0%UnitedHealth Group, Inc. 42%
Porter County16,04139.9%Elevance Health, Inc. 36%
Delaware County13,49154.1%Humana Inc. 37%
Tippecanoe County12,92645.2%Humana Inc. 36%
Clark County12,89747.6%Humana Inc. 49%
La Porte County11,62345.0%Humana Inc. 31%
Vigo County11,25948.0%UnitedHealth Group, Inc. 34%
Kosciusko County11,17761.6%UnitedHealth Group, Inc. 52%
Howard County10,90851.4%UnitedHealth Group, Inc. 32%
Morgan County10,14456.8%UnitedHealth Group, Inc. 37%
Hancock County10,02651.2%UnitedHealth Group, Inc. 38%
Monroe County9,98141.6%Humana Inc. 33%
Grant County8,61652.1%UnitedHealth Group, Inc. 35%
Bartholomew County8,04546.0%Humana Inc. 46%
Floyd County7,79042.1%Humana Inc. 42%
Wayne County6,95941.7%UnitedHealth Group, Inc. 40%
Warrick County6,91044.8%Humana Inc. 37%
De Kalb County6,81367.4%UnitedHealth Group, Inc. 50%
Noble County6,73463.9%UnitedHealth Group, Inc. 48%
Boone County6,64944.8%UnitedHealth Group, Inc. 44%
Henry County6,56355.0%UnitedHealth Group, Inc. 34%
Shelby County6,18356.7%UnitedHealth Group, Inc. 46%
Dearborn County6,17249.1%Humana Inc. 48%
Marshall County6,14357.7%UnitedHealth Group, Inc. 54%
Whitley County6,00569.8%UnitedHealth Group, Inc. 49%
Steuben County5,97664.9%UnitedHealth Group, Inc. 54%
Huntington County5,96364.4%UnitedHealth Group, Inc. 49%
Lawrence County5,91750.8%UnitedHealth Group, Inc. 34%
Jackson County5,89961.1%Humana Inc. 40%
Wabash County4,78855.8%UnitedHealth Group, Inc. 55%
Montgomery County4,72451.9%UnitedHealth Group, Inc. 45%
Putnam County4,62354.6%UnitedHealth Group, Inc. 42%
Harrison County4,45744.5%Humana Inc. 39%
Cass County4,19649.5%UnitedHealth Group, Inc. 47%
Miami County3,97552.7%UnitedHealth Group, Inc. 44%
Clinton County3,96557.3%UnitedHealth Group, Inc. 40%
Wells County3,83956.3%UnitedHealth Group, Inc. 56%
Jennings County3,68056.0%Humana Inc. 48%
Lagrange County3,59356.2%UnitedHealth Group, Inc. 47%
Jefferson County3,58343.5%Humana Inc. 35%
Ripley County3,56053.9%Humana Inc. 49%
Greene County3,52143.6%UnitedHealth Group, Inc. 34%
Washington County3,43350.2%Elevance Health, Inc. 38%
Scott County3,40058.7%Humana Inc. 37%
Gibson County3,37743.2%Humana Inc. 34%
Jasper County3,20739.0%Elevance Health, Inc. 27%
Fayette County3,19649.5%Elevance Health, Inc. 42%
Clay County3,16946.5%UnitedHealth Group, Inc. 37%
Starke County3,13149.6%Humana Inc. 31%
Owen County3,08454.7%Humana Inc. 35%
Adams County3,06444.7%UnitedHealth Group, Inc. 51%
Decatur County3,05048.0%Humana Inc. 41%
Knox County2,91334.1%Humana Inc. 34%
Fulton County2,84154.5%UnitedHealth Group, Inc. 56%
White County2,82443.4%UnitedHealth Group, Inc. 33%
Randolph County2,67843.5%UnitedHealth Group, Inc. 38%
Dubois County2,67425.0%UnitedHealth Group, Inc. 36%
Franklin County2,62339.5%UnitedHealth Group, Inc. 44%
Posey County2,59140.5%UnitedHealth Group, Inc. 35%
Orange County2,42448.2%Elevance Health, Inc. 32%
Jay County2,37750.4%UnitedHealth Group, Inc. 42%
Brown County2,33646.9%Humana Inc. 35%
Spencer County2,27543.8%Humana Inc. 43%
Perry County2,14945.4%UnitedHealth Group, Inc. 44%
Carroll County2,14543.1%UnitedHealth Group, Inc. 34%
Sullivan County2,11644.1%UnitedHealth Group, Inc. 33%
Parke County2,05551.7%UnitedHealth Group, Inc. 42%
Fountain County2,04548.1%UnitedHealth Group, Inc. 45%
Vermillion County1,95448.4%UnitedHealth Group, Inc. 42%
Rush County1,89746.9%UnitedHealth Group, Inc. 46%
Daviess County1,82530.7%Humana Inc. 36%
Tipton County1,78745.4%UnitedHealth Group, Inc. 35%
Blackford County1,71554.0%UnitedHealth Group, Inc. 35%
Crawford County1,57553.8%Humana Inc. 36%
Pulaski County1,44643.9%Humana Inc. 30%
Pike County1,42945.3%Humana Inc. 32%
Newton County1,34941.6%Humana Inc. 32%
Switzerland County1,18855.9%Humana Inc. 38%
Ohio County94554.3%Humana Inc. 40%
Martin County90835.5%UnitedHealth Group, Inc. 39%
Benton County89046.4%Humana Inc. 40%
Union County83047.8%UnitedHealth Group, Inc. 52%
Warren County80237.2%Humana Inc. 39%