TRYNYTYhealth:enablement
MA Enrollment Explorer / States / Alabama

Medicare Advantage in Alabama: enrollment, penetration and market share

707,348 people in Alabama were enrolled in Medicare Advantage in October 2026. 61.5% of the state's 1,150,476 eligible Medicare beneficiaries are in Medicare Advantage, +0.5 pts since October 2025. Humana Inc. is the largest parent organization with 33% of reported enrollment; 16 parent organizations have 11 or more members, and the market's HHI is 2,042 (highly concentrated). Through the 2026 Annual Election Period (December to February), reported MA enrollment in Alabama changed by +8,376 (+1.2%).

61.5%MA penetration, October 2026
707KMA enrollees
16parent organizations (11+ members)
2,042HHI, highly concentrated
Open Alabama on the market mapMSSP ACOs in Alabama

Parent organizations in Alabama

Parent organizationMembersChangeShareShare change
Humana Inc.232,633+107,71533.0%+14.8 pts
UnitedHealth Group, Inc.162,199−94,79023.0%−14.4 pts
BlueCross BlueShield of Alabama114,186+1,73516.2%−0.2 pts
Health Care Service Corporation52,485+1427.4%−0.2 pts
Triton Health Systems, L.L.C.51,392−1,0287.3%−0.3 pts
CVS Health Corporation43,034−9,4346.1%−1.5 pts
Devoted Health, Inc.25,913+12,8373.7%+1.8 pts
Elevance Health, Inc.10,516+2241.5%−0.01 pts
Blue Cross Blue Shield of Michigan Mutual Ins. Co.3,808−1130.5%−0.03 pts
Associated Care Ventures, Inc.3,491+6100.5%+0.1 pts
Highmark Health3,237−900.5%−0.02 pts
UMWA Health and Retirement Funds2,115−590.3%−0.02 pts
Trinity Health Corporation159+5under 0.1%+0.00 pts
BlueCross BlueShield of Tennessee16+3under 0.1%+0.00 pts
Louisiana Health Service & Indemnity Company13newunder 0.1%+0.00 pts
California Physicians' Service12newunder 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
Jefferson County92,94568.6%Humana Inc. 22%
Mobile County64,68370.9%Humana Inc. 33%
Baldwin County39,14157.8%Humana Inc. 33%
Madison County37,96646.3%Humana Inc. 33%
Montgomery County29,39963.3%UnitedHealth Group, Inc. 33%
Shelby County28,21561.0%BlueCross BlueShield of Alabama 31%
Tuscaloosa County23,27459.1%Humana Inc. 50%
Etowah County17,63966.4%Humana Inc. 29%
Lee County17,34758.0%Humana Inc. 61%
Houston County16,19660.9%Humana Inc. 40%
Calhoun County15,94556.9%Humana Inc. 28%
Morgan County15,34455.1%Humana Inc. 36%
St. Clair County14,78460.4%Triton Health Systems, L.L.C. 22%
Talladega County14,12768.2%UnitedHealth Group, Inc. 29%
Lauderdale County13,11354.8%Humana Inc. 43%
Cullman County12,99760.0%Humana Inc. 26%
Marshall County12,65157.4%Humana Inc. 31%
Elmore County12,41960.7%Humana Inc. 34%
Limestone County11,73152.3%Humana Inc. 38%
Walker County11,57068.0%UnitedHealth Group, Inc. 23%
DeKalb County9,71458.0%Humana Inc. 29%
Blount County8,98068.1%Humana Inc. 22%
Colbert County8,55357.7%Humana Inc. 45%
Jackson County7,89557.0%Humana Inc. 34%
Autauga County7,75862.0%Humana Inc. 29%
Russell County7,56658.4%Humana Inc. 42%
Tallapoosa County7,46361.2%Humana Inc. 28%
Chilton County7,44072.8%UnitedHealth Group, Inc. 22%
Dallas County7,24571.4%UnitedHealth Group, Inc. 36%
Dale County6,79657.5%Humana Inc. 42%
Coffee County6,50654.5%Humana Inc. 45%
Covington County6,20759.3%UnitedHealth Group, Inc. 39%
Chambers County6,12066.9%Humana Inc. 64%
Escambia County5,77763.4%UnitedHealth Group, Inc. 47%
Cherokee County4,95061.6%Humana Inc. 28%
Lawrence County4,77957.9%Humana Inc. 37%
Pike County4,67368.2%Humana Inc. 37%
Geneva County4,46861.3%Humana Inc. 39%
Clarke County4,41369.5%Humana Inc. 52%
Barbour County4,34765.9%UnitedHealth Group, Inc. 45%
Marion County3,86148.1%Humana Inc. 39%
Randolph County3,80559.0%Humana Inc. 29%
Winston County3,75460.2%Humana Inc. 34%
Monroe County3,66168.1%UnitedHealth Group, Inc. 46%
Franklin County3,57954.3%Humana Inc. 50%
Marengo County3,49564.2%Humana Inc. 57%
Henry County3,47766.1%Humana Inc. 44%
Bibb County3,38770.3%Humana Inc. 28%
Butler County3,37266.9%UnitedHealth Group, Inc. 40%
Macon County3,12064.4%UnitedHealth Group, Inc. 41%
Pickens County3,09362.0%Humana Inc. 51%
Hale County2,91068.1%Humana Inc. 58%
Washington County2,89163.5%Humana Inc. 55%
Crenshaw County2,48465.5%Humana Inc. 35%
Fayette County2,46862.2%Humana Inc. 43%
Clay County2,42863.2%UnitedHealth Group, Inc. 34%
Wilcox County2,34970.3%Humana Inc. 40%
Lowndes County2,33574.5%UnitedHealth Group, Inc. 47%
Conecuh County2,33165.3%UnitedHealth Group, Inc. 52%
Choctaw County2,26759.5%Humana Inc. 57%
Sumter County2,17767.2%Humana Inc. 71%
Coosa County2,06374.4%UnitedHealth Group, Inc. 40%
Cleburne County2,01153.4%Humana Inc. 29%
Perry County1,79672.4%UnitedHealth Group, Inc. 50%
Greene County1,71474.0%Humana Inc. 60%
Lamar County1,70045.2%Humana Inc. 47%
Bullock County1,68481.3%UnitedHealth Group, Inc. 41%