2027 Medicare Advantage plans in Idaho
Medicare Advantage availability is set county by county, unlike stand-alone Part D. 44 Idaho counties have at least one 2027 plan, 561 county-level offerings in all — from 3 in Lemhi County to 27 in Ada County. Counties with no plan at all are not listed.
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2027 drug-by-drug coverage is not published by CMS yet. The drug lookup covers 2026, whose formulary is live.
- Ada27
- Adams9
- Bannock13
- Bear Lake9
- Benewah5
- Bingham12
- Blaine7
- Boise21
- Bonner14
- Bonneville18
- Boundary9
- Butte4
- Camas12
- Canyon27
- Caribou9
- Cassia9
- Clark13
- Clearwater9
- Custer9
- Elmore16
- Franklin9
- Fremont16
- Gem22
- Gooding14
- Idaho5
- Jefferson17
- Jerome11
- Kootenai15
- Latah7
- Lemhi3
- Lewis5
- Lincoln10
- Madison13
- Minidoka8
- Nez Perce7
- Oneida13
- Owyhee21
- Payette24
- Power16
- Shoshone12
- Teton8
- Twin Falls16
- Valley16
- Washington21