Medicare Advantage plans in Montana by county
For 2027, Montana counties have between 2 and 17 Medicare Advantage plans. Choose your county to see how many include drug coverage, how many are Special Needs Plans, and how that compares with 2026.
| County | Plans for 2027 | Plans for 2026 |
|---|---|---|
| Beaverhead County | 7 | 9 |
| Big Horn County | 9 | 15 |
| Broadwater County | 11 | 11 |
| Carbon County | 9 | 11 |
| Cascade County | 17 | 21 |
| Chouteau County | 10 | 17 |
| Daniels County | 2 | 2 |
| Deer Lodge County | 10 | 12 |
| Fallon County | 2 | 2 |
| Fergus County | 9 | 15 |
| Flathead County | 17 | 25 |
| Gallatin County | 13 | 15 |
| Garfield County | 2 | 2 |
| Glacier County | 9 | 19 |
| Golden Valley County | 9 | 19 |
| Granite County | 9 | 11 |
| Jefferson County | 12 | 12 |
| Judith Basin County | 10 | 16 |
| Lake County | 7 | 16 |
| Lewis And Clark County | 16 | 16 |
| Liberty County | 9 | 15 |
| Lincoln County | 11 | 13 |
| Madison County | 9 | 11 |
| Meagher County | 9 | 15 |
| Mineral County | 9 | 15 |
| Missoula County | 14 | 16 |
| Musselshell County | 8 | 14 |
| Park County | 8 | 11 |
| Petroleum County | 2 | 2 |
| Phillips County | 2 | 2 |
| Pondera County | 11 | 17 |
| Powder River County | 2 | 2 |
| Powell County | 10 | 12 |
| Prairie County | 2 | 2 |
| Ravalli County | 10 | 16 |
| Roosevelt County | 2 | 2 |
| Rosebud County | 9 | 15 |
| Sanders County | 12 | 16 |
| Silver Bow County | 11 | 13 |
| Stillwater County | 10 | 11 |
| Sweet Grass County | 7 | 13 |
| Teton County | 14 | 18 |
| Toole County | 8 | 14 |
| Treasure County | 8 | 8 |
| Valley County | 2 | 2 |
| Wheatland County | 7 | 13 |
| Yellowstone County | 16 | 26 |
Source: CMS plan files for 2027 and 2026. Counts include Special Needs Plans, which only people who qualify can join.