Advantage Index

Medicare Advantage and Part D plans in Montana

50 counties in Montana. What is sold, and at what price, changes between neighbouring counties, so the county is the unit that matters.

CountyPlansAt $0InsurersIn an Advantage plan
Beaverhead County 932 22.7%
Big Horn County 1553 30.3%
Broadwater County 1142 31.1%
Carbon County 1132 31.1%
Cascade County 21103 38.3%
Chouteau County 1782 27.6%
Custer County 641 14.1%
Daniels County 211 4.0%
Deer Lodge County 1242 25.5%
Fallon County 211 5.4%
Fergus County 1582 34.4%
Flathead County 25123 34.6%
Gallatin County 1563 26.6%
Garfield County 211 Not published
Glacier County 1993 21.2%
Golden Valley County 1993 36.8%
Granite County 1142 21.4%
Hill County 641 7.4%
Jefferson County 1242 28.5%
Judith Basin County 1682 36.0%
Lake County 1682 28.0%
Lewis and Clark County 1672 29.5%
Liberty County 1582 19.1%
Lincoln County 1342 41.5%
Madison County 1142 20.8%
McCone County 421 8.4%
Meagher County 1582 16.0%
Mineral County 1582 33.4%
Missoula County 1672 25.8%
Musselshell County 1472 36.5%
Park County 1132 19.2%
Petroleum County 211 12.7%
Phillips County 211 7.4%
Pondera County 1782 28.3%
Powder River County 211 6.9%
Powell County 1242 21.2%
Prairie County 211 6.7%
Ravalli County 1653 32.0%
Roosevelt County 211 4.9%
Rosebud County 1572 23.2%
Sanders County 1682 33.5%
Silver Bow County 1342 29.5%
Stillwater County 1132 33.9%
Sweet Grass County 1372 26.8%
Teton County 1863 37.9%
Toole County 1472 17.7%
Treasure County 831 33.9%
Valley County 211 5.9%
Wheatland County 1372 35.7%
Yellowstone County 26124 38.4%

CMS did not publish Medicare enrolment for 1 of these counties in the latest monthly file — it withholds a state entirely when county codes have changed and its own records have not caught up. Those counties still show every plan; they have no enrolment share.

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Premiums, deductibles, maximum out-of-pocket amounts, star ratings and sanctions are reproduced from the Centers for Medicare & Medicaid Services landscape file. Enrolment counts are from the CMS monthly enrolment file; CMS suppresses any count of ten or fewer, which is why many plans show “fewer than 11” rather than a number. Nothing on this page is calculated by us. This is not a complete list of your options and it is not advice: see Medicare.gov or call 1-800-MEDICARE.