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    Medicare Advantage · Imperial Health Plan of California · enrollment Oct 2026

    Imperial Health Plan of California: 53K Medicare Advantage members in 3 states, leading 0.

    Imperial Health Plan of California holds 0.2% of the country’s visible Medicare Advantage members, 49th among 165 carriers. Its largest state is California with 53,143 members and 1.8% share. Over twelve months it grew in 1 states and shrank in 0.

    Visible members
    53K
    Oct 2026
    National share
    0.2%
    49th of 165
    States
    3
    5 plans with members
    States led
    0
    first by visible members
    Growing in
    1
    states, twelve months
    Shrinking in
    0
    states, twelve months

    Imperial Health Plan of California in every state it sells in

    Largest state first. Rank is among the carriers with visible members in the state; counties led counts counties where the carrier has the most visible members and another carrier is visible. A state with a link has a page on Imperial Health Plan of California’s position there.

    StateMembersShareRankTwelve monthsCounties ledRating
    California53,143
    1.8%
    13 of 37+113.3%34.00
    Arizona13
    0.0%
    18 of 18–04.00
    Nevada11
    0.0%
    14 of 14–04.00
    Carrier Command · for Medicare Advantage plans

    The read on Imperial Health Plan of California in every state is in Carrier Command.

    Each state's position page on Imperial Health Plan of California: risk and rebate against the market, Stars levers, the election-period forecast, exits and the county standing, rebuilt every month.

    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. Imperial Health Plan of California is the parent organization Imperial Health Plan of California; its plans may sell under other brand names in each state.
    • A state's twelve-month change, counties led and rating come from that state's page and carry its vintages.
    • 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.