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    Medicare Advantage · Utah · enrollment Oct 2026

    Medicare Advantage in Utah: 259,204 members, 9 carriers, UnitedHealth in front.

    UnitedHealth holds 47.0% of Utah’s visible Medicare Advantage members, ahead of Humana at 24.4% and Intermountain Health Care, Inc. at 20.3%. The market grew +4.6% (+11,485 members) from Nov 2025 to Oct 2026 and stepped +0.6% at the 2026 election period. 55.2% of the state's Medicare beneficiaries are in a Medicare Advantage plan.

    Visible members
    259,204
    Oct 2026
    Carriers
    9
    53 plans with members
    MA penetration
    55.2%
    of 494,318 eligible
    Twelve months
    +4.6%
    +11,485 members
    Election step
    +0.6%
    December to January 2026
    Top three
    91.7%
    HHI 3,237, highly concentrated

    Every carrier with members in Utah

    Ranked by visible members in Oct 2026. The twelve-month change runs Nov 2025 to Oct 2026; the election step is the carrier’s own December-to-January change. Counties led counts counties where the carrier has the most visible members and at least one other carrier is visible. UnitedHealth leads 21 of the 25 counties with a lead. At the election period Humana stepped up most (+38.2%) and Aetna (CVS) stepped down most (−52.3%).

    #CarrierMembersShareTwelve monthsElection stepCounties ledRating$0 premiumPlans
    1UnitedHealth121,927
    47.0%
    −2.8%−1.6%21 of 254.07100%14
    2Humana63,238
    24.4%
    +58.9%+38.2%3 of 234.1699%13
    3Intermountain Health Care, Inc.52,504
    20.3%
    −3.6%−7.4%1 of 134.00100%5
    4Aetna (CVS)8,044
    3.1%
    −44.6%−52.3%0 of 123.91100%8
    5Cambia6,489
    2.5%
    +2.9%+3.5%0 of 114.500%3
    6Molina3,563
    1.4%
    −13.3%−5.0%0 of 93.00100%2
    7Health Care Service Corporation1,968
    0.8%
    −35.7%−37.4%0 of 73.00–2
    8Devoted1,438
    0.5%
    ––0 of 5–100%5
    9Mitchell Family Office33
    0.0%
    −19.5%−12.5%0 of 2–100%1

    Utah county by county

    28 counties with visible members, largest first. A county’s leader is the carrier with the most visible members there; a county with one visible carrier shows no leader, because the others are suppressed, not absent. Penetration is Medicare Advantage members as a share of the county’s Medicare beneficiaries.

    CountyVisible membersCarriersLeaderLeader shareMA penetrationDual eligibles
    Salt Lake94,4469UnitedHealth44.2%58.3%15,462
    Utah40,5437UnitedHealth38.4%58.0%5,983
    Davis26,7998UnitedHealth46.1%55.1%2,921
    Washington23,5936UnitedHealth34.5%52.8%2,348
    Weber23,3847UnitedHealth45.2%56.8%4,109
    Cache10,8937UnitedHealth66.0%63.2%1,189
    Box Elder5,9696UnitedHealth80.8%59.6%657
    Tooele5,3377UnitedHealth68.8%54.0%980
    Iron5,1306Humana33.4%49.0%934
    Summit3,1006UnitedHealth62.1%41.1%140
    Sanpete2,8412UnitedHealth62.4%52.6%395
    Wasatch2,8074UnitedHealth74.7%47.9%187
    Uintah2,5761one visible carrier–49.1%485
    Sevier2,3132UnitedHealth63.3%49.9%444
    Duchesne1,9463UnitedHealth82.9%50.8%336
    Carbon1,8512UnitedHealth91.7%43.7%621
    Morgan9844UnitedHealth61.9%53.2%35
    Millard9672UnitedHealth60.3%36.9%192
    Juab8422UnitedHealth66.8%46.8%141
    Emery4922UnitedHealth82.7%37.5%185
    Grand4502UnitedHealth64.0%22.6%206
    Kane4462UnitedHealth60.3%25.7%134
    Beaver3922UnitedHealth73.7%36.4%129
    San Juan3532Humana51.8%16.8%537
    Garfield2912Humana56.4%27.7%74
    Wayne1581one visible carrier–26.1%42
    Rich1561one visible carrier–41.2%14
    Piute1452Intermountain Health Care, Inc.77.9%36.0%37

    Utah's twelve months

    Visible Medicare Advantage members in Utah each month, Nov 2025 to Oct 2026. The December-to-January step is the election period; the rest of the year moves on new eligibles, special enrollment and deaths.

    Nov 2025 · 247,719Oct 2026 · 259,204

    What 2027 does to Utah

    The fate assigned to every plan for 2027, joined to the members in it today. A plan that ends sends its members to choose again; a plan dropping counties keeps the plan but not every county, and which counties is not stated.

    Plans that end
    22,693

    members in Utah are in plans that end for 2027.

    • Intermountain Health Care, Inc.20,002
    • Health Care Service Corporation1,968
    • Cambia357
    • Molina260
    • Aetna (CVS)106
    Plans dropping counties
    71,892

    members are in plans that keep selling in Utah but drop at least one county for 2027.

    • Intermountain Health Care, Inc. · 2 plans30,551
    • Humana · 4 plans28,117
    • Aetna (CVS) · 6 plans7,059
    • Cambia · 2 plans6,132
    • Mitchell Family Office · 1 plans33

    The plans on sale in Utah for 2027

    Benefit design weighted by each plan’s members today, so a figure is what the market’s members are offered, not a count of plans. The rating is the 2027 overall Star Rating, weighted the same way.

    $0 premium
    97%

    of members are in a plan with no monthly premium

    In-network maximum
    $5,500

    median out-of-pocket maximum, member weighted

    Star Rating
    4.06

    2027 overall, member weighted

    Carrier Command · for Medicare Advantage plans

    The read on every carrier in Utah is in Carrier Command.

    A monthly position page for each of the 9 carriers here: risk and rebate against the market, Stars levers, the election-period forecast, county standing and the written read. Launching for Medicare Advantage plans.

    How these numbers are made

    • Members are visible members: CMS suppresses any plan-county cell of ten or fewer, so small counties undercount. Market share excludes employer group plans.
    • Enrollment is Oct 2026; the twelve months run Nov 2025 to Oct 2026; the election step compares December 2025 with January 2026.
    • Plan fates are the ones assigned for contract year 2027; benefit design is the 2027 filing; the rating is the 2027 overall Star Rating of each carrier's contracts, weighted by members in Utah.
    • A carrier is a parent organization; its brands in Utah may carry other names. The rank 1st to 9th counts every parent with visible members in 2026.
    • Every figure comes from public CMS data as Livmor reads it, and the page is rebuilt when a new month posts. Livmor Carrier Command, public CMS data.