Medicare Plans in Montana
51 counties with Medicare Advantage and Part D plans for CY2026. Select a county to see available plans, premiums, and CMS star ratings.
To compare plans with your specific drugs and providers and to enroll, use
medicare.gov/plan-compare
. Free help: 1-800-MEDICARE or your SHIP.
All Counties 11 plans Beaverhead 9 plans Big Horn 15 plans Broadwater 11 plans Carbon 11 plans Cascade 21 plans Chouteau 17 plans Custer 6 plans Daniels 2 plans Deer Lodge 12 plans Fallon 2 plans Fergus 15 plans Flathead 25 plans Gallatin 15 plans Garfield 2 plans Glacier 19 plans Golden Valley 19 plans Granite 11 plans Hill 6 plans Jefferson 12 plans Judith Basin 16 plans Lake 16 plans Lewis and Clark 16 plans Liberty 15 plans Lincoln 13 plans Madison 11 plans McCone 4 plans Meagher 15 plans Mineral 15 plans Missoula 16 plans Musselshell 14 plans Park 11 plans Petroleum 2 plans Phillips 2 plans Pondera 17 plans Powder River 2 plans Powell 12 plans Prairie 2 plans Ravalli 16 plans Roosevelt 2 plans Rosebud 15 plans Sanders 16 plans Silver Bow 13 plans Stillwater 11 plans Sweet Grass 13 plans Teton 18 plans Toole 14 plans Treasure 8 plans Valley 2 plans Wheatland 13 plans Yellowstone 26 plans