Medicare Advantage plans in Missouri, 2027
168 Medicare Advantage plans are sold in Missouri for 2027 (155 in 2026); 111 are open to everyone and 89 of those have a $0 premium everywhere they are sold. 25,519 Missouri members in September 2026 were in plans that end or leave their county for 2027.
What changes in Missouri for 2027?
| In the state | 2026 | 2027 | Change |
|---|---|---|---|
| Plans sold in the state | 155 | 168 | ▲up 13 |
| Plans open to everyone | 107 | 111 | ▲up 4 |
| Plans with a $0 premium everywhere they are sold | 87 | 89 | ▲up 2 |
| Plans that lower the Part B premium | 38 | 31 | ▼down 7 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026.
Which companies sell the most plans in Missouri?
Plans open to everyone, by parent company and the brands it sells under, 2027
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
Which Missouri counties lose the most?
Plans end in or leave Missouri counties 709 times for 2027. Counties with the most members in those plans come first; each links to its 2027 plan list.
| County | Plans open to all | $0 premium | Plans that end or leave | Their members here |
|---|---|---|---|---|
| St. Louis | 46 | 34 | 7 | 3,182 |
| Boone | 29 | 22 | 9 | 2,586 |
| St. Charles | 46 | 34 | 7 | 1,472 |
| Cole | 22 | 16 | 7 | 1,097 |
| Camden | 21 | 16 | 7 | 1,029 |
| Jackson | 36 | 29 | 8 | 853 |
| Lincoln | 39 | 29 | 8 | 739 |
| Callaway | 30 | 23 | 7 | 687 |
| Marion | 16 | 11 | 5 | 686 |
| Cass | 29 | 24 | 7 | 673 |
| Montgomery | 27 | 18 | 10 | 648 |
| Pike | 19 | 13 | 11 | 562 |
| Jefferson | 46 | 34 | 7 | 507 |
| Audrain | 27 | 22 | 7 | 479 |
| Ozark | 24 | 17 | 6 | 474 |
| St. Louis City | 45 | 33 | 7 | 473 |
| Randolph | 16 | 12 | 5 | 469 |
| Buchanan | 11 | 7 | 6 | 432 |
| Miller | 27 | 21 | 7 | 430 |
| Morgan | 24 | 20 | 5 | 375 |
| Johnson | 22 | 17 | 7 | 373 |
| Maries | 23 | 18 | 13 | 338 |
| Oregon | 23 | 18 | 7 | 336 |
| Cedar | 27 | 20 | 8 | 301 |
| Hickory | 27 | 20 | 8 | 279 |
| Cooper | 21 | 16 | 5 | 271 |
| Osage | 25 | 20 | 5 | 267 |
| Ralls | 16 | 11 | 5 | 262 |
| Henry | 23 | 17 | 9 | 241 |
| New Madrid | 12 | 10 | 12 | 236 |
| Adair | 15 | 11 | 5 | 233 |
| Ray | 29 | 24 | 12 | 225 |
| St. Francois | 28 | 21 | 6 | 223 |
| Franklin | 40 | 31 | 6 | 220 |
| Moniteau | 21 | 16 | 7 | 219 |
| St. Clair | 23 | 17 | 7 | 218 |
| Lewis | 16 | 11 | 5 | 206 |
| Vernon | 24 | 19 | 8 | 202 |
| Macon | 16 | 11 | 5 | 200 |
| Benton | 24 | 19 | 4 | 197 |
| Monroe | 15 | 11 | 5 | 183 |
| Clay | 35 | 28 | 8 | 178 |
| Madison | 19 | 18 | 12 | 176 |
| Ste. Genevieve | 22 | 15 | 8 | 172 |
| Howard | 18 | 13 | 7 | 167 |
| Pettis | 15 | 11 | 4 | 151 |
| Warren | 44 | 33 | 7 | 112 |
| Shelby | 16 | 11 | 5 | 97 |
| Nodaway | 17 | 14 | 6 | 89 |
| Clark | 7 | 5 | 5 | 87 |
| Andrew | 18 | 14 | 9 | 83 |
| Bates | 23 | 19 | 7 | 75 |
| Butler | 14 | 11 | 5 | 66 |
| Dunklin | 10 | 8 | 3 | 64 |
| Cape Girardeau | 20 | 18 | 6 | 56 |
| Phelps | 30 | 22 | 6 | 55 |
| Greene | 38 | 31 | 6 | 53 |
| Washington | 45 | 34 | 7 | 53 |
| Schuyler | 15 | 11 | 5 | 50 |
| Platte | 35 | 28 | 8 | 41 |
| Scott | 20 | 18 | 5 | 39 |
| Crawford | 44 | 32 | 7 | 37 |
| Gasconade | 34 | 24 | 4 | 37 |
| Pemiscot | 19 | 15 | 3 | 37 |
| Daviess | 18 | 14 | 6 | 32 |
| Knox | 16 | 11 | 5 | 32 |
| Harrison | 12 | 9 | 6 | 31 |
| Scotland | 7 | 5 | 5 | 30 |
| Taney | 35 | 28 | 6 | 30 |
| Pulaski | 36 | 26 | 7 | 29 |
| Howell | 29 | 23 | 3 | 28 |
| Carroll | 19 | 14 | 9 | 27 |
| Grundy | 19 | 14 | 6 | 25 |
| Jasper | 32 | 26 | 7 | 23 |
| Texas | 24 | 20 | 6 | 21 |
| Linn | 19 | 14 | 3 | 17 |
| Iron | 27 | 24 | 5 | 15 |
| Putnam | 19 | 14 | 3 | 15 |
| Dent | 31 | 25 | 7 | 14 |
| Gentry | 16 | 13 | 6 | 14 |
| Stoddard | 23 | 20 | 5 | 14 |
| Atchison | 20 | 15 | 6 | 13 |
| Holt | 19 | 14 | 9 | 13 |
| Perry | 30 | 24 | 3 | 13 |
| Wayne | 15 | 13 | 3 | 13 |
| DeKalb | 19 | 14 | 11 | 12 |
| Barry | 36 | 29 | 5 | 0 |
| Barton | 29 | 25 | 3 | 0 |
| Bollinger | 20 | 16 | 3 | 0 |
| Caldwell | 22 | 18 | 5 | 0 |
| Carter | 21 | 17 | 3 | 0 |
| Chariton | 27 | 21 | 5 | 0 |
| Christian | 37 | 30 | 6 | 0 |
| Clinton | 25 | 21 | 6 | 0 |
| Dade | 32 | 25 | 6 | 0 |
| Dallas | 37 | 30 | 5 | 0 |
| Douglas | 32 | 25 | 5 | 0 |
| Laclede | 32 | 25 | 5 | 0 |
| Lafayette | 33 | 28 | 8 | 0 |
| Lawrence | 35 | 28 | 6 | 0 |
| Livingston | 19 | 16 | 5 | 0 |
| McDonald | 29 | 24 | 5 | 0 |
| Mercer | 19 | 14 | 6 | 0 |
| Mississippi | 18 | 14 | 6 | 0 |
| Newton | 31 | 25 | 4 | 0 |
| Polk | 38 | 31 | 6 | 0 |
| Reynolds | 25 | 21 | 5 | 0 |
| Ripley | 20 | 16 | 5 | 0 |
| Saline | 19 | 15 | 5 | 0 |
| Shannon | 21 | 16 | 3 | 0 |
| Stone | 36 | 29 | 6 | 0 |
| Sullivan | 24 | 19 | 3 | 0 |
| Webster | 36 | 30 | 6 | 0 |
| Worth | 18 | 14 | 6 | 0 |
| Wright | 32 | 25 | 5 | 0 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).
Which large plans sold in Missouri end?
| 2026 plan | Brand | Members in all states, Sept. 2026 |
|---|---|---|
| AARP Medicare Advantage from UHC MO-0008H8768-026 | UnitedHealthcare | 9,696 |
| AARP Medicare Advantage from UHC ST-2H2406-069 | UnitedHealthcare | 7,714 |
| UHC Medicare Advantage AM-0002R3444-012 | UnitedHealthcare | 2,255 |
| UHC Complete Care Support AM-1AR3444-008 | UnitedHealthcare | 1,624 |
| AARP Medicare Advantage from UHC MO-0003H2802-029 | UnitedHealthcare | 1,144 |
| UHC Complete Care AM-1R3444-009 | UnitedHealthcare | 835 |
| HealthSpring PreferredH9460-001 | HealthSpring | 753 |
| HealthSpring Preferred SavingsH9460-003 | HealthSpring | 626 |
| HealthSpring True Choice SavingsH7849-077 | HealthSpring | 372 |
| Aetna Medicare EliteH1608-052 | Aetna Medicare | 354 |
Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).
Which plans in Missouri lower the Part B premium?
31 plans open to everyone and sold in at least one Missouri county pay part of the Part B premium in 2027; the largest reduction comes first.
Show the other 11 giveback plans
| 2027 plan | Brand | Monthly reduction |
|---|---|---|
| Humana Essentials Plus GivebackH7617-017 | Humana | $74 |
| Humana Essentials Plus GivebackH5216-405 | Humana | $72 |
| Anthem VeteranH4909-021 | Anthem Blue Cross and Blue Shield | $70 |
| Devoted Giveback Extras 024 MOH2041-024 | Devoted Health | $70 |
| HumanaChoice GivebackH5216-404 | Humana | $61 |
| Humana Essentials Plus GivebackH0028-065 | Humana | $60 |
| Humana Essentials Plus GivebackH4461-045 | Humana | $60 |
| Humana Total Complete GivebackH0028-066 | Humana | $60 |
| HumanaChoice GivebackH7617-014 | Humana | $58 |
| Humana Total Complete GivebackH4461-047 | Humana | $54 |
| Humana USAA Honor GivebackR1532-001 | Humana | $37 |
Source: CMS plan benefit package files, 2027 and 2026; CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
752,271 of Missouri's 1,378,347 people with Medicare were in a Medicare Advantage plan in September 2026 (55%).
What else should you check?
- Every plan not offered in 2027By company and state
- Part B giveback plansWhere they are sold
- Every statePlan counts for 2027