Medicare Advantage plans in Iowa, 2027
71 Medicare Advantage plans are sold in Iowa for 2027 (71 in 2026); 49 are open to everyone and 25 of those have a $0 premium everywhere they are sold. 51,046 Iowa members in September 2026 were in plans that end or leave their county for 2027.
What changes in Iowa for 2027?
| In the state | 2026 | 2027 | Change |
|---|---|---|---|
| Plans sold in the state | 71 | 71 | no change |
| Plans open to everyone | 53 | 49 | ▼down 4 |
| Plans with a $0 premium everywhere they are sold | 28 | 25 | ▼down 3 |
| Plans that lower the Part B premium | 13 | 11 | ▼down 2 |
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 Iowa?
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 Iowa counties lose the most?
Plans end in or leave Iowa counties 653 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 |
|---|---|---|---|---|
| Polk | 25 | 19 | 6 | 8,712 |
| Linn | 21 | 15 | 5 | 3,775 |
| Story | 7 | 4 | 15 | 2,511 |
| Scott | 25 | 18 | 9 | 2,257 |
| Woodbury | 11 | 8 | 10 | 2,223 |
| Johnson | 16 | 11 | 5 | 2,023 |
| Dallas | 25 | 19 | 7 | 1,726 |
| Black Hawk | 21 | 15 | 5 | 1,660 |
| Warren | 25 | 19 | 6 | 1,307 |
| Marshall | 24 | 18 | 6 | 1,161 |
| Marion | 16 | 12 | 6 | 816 |
| Jefferson | 13 | 9 | 7 | 766 |
| Jasper | 25 | 19 | 6 | 757 |
| Webster | 16 | 10 | 5 | 736 |
| Pottawattamie | 21 | 17 | 9 | 694 |
| Cerro Gordo | 19 | 12 | 4 | 644 |
| Clinton | 26 | 19 | 5 | 594 |
| Jones | 29 | 19 | 5 | 556 |
| Des Moines | 9 | 6 | 12 | 554 |
| Greene | 16 | 12 | 9 | 537 |
| Clayton | 16 | 9 | 12 | 533 |
| Dickinson | 19 | 10 | 5 | 527 |
| Butler | 18 | 12 | 9 | 494 |
| Madison | 25 | 19 | 6 | 464 |
| Plymouth | 14 | 8 | 5 | 449 |
| Clarke | 20 | 16 | 5 | 432 |
| Muscatine | 25 | 19 | 6 | 427 |
| Benton | 25 | 19 | 5 | 425 |
| Washington | 25 | 19 | 6 | 415 |
| Boone | 25 | 19 | 5 | 376 |
| Mahaska | 17 | 13 | 6 | 376 |
| Hardin | 25 | 19 | 5 | 339 |
| Fayette | 29 | 19 | 9 | 333 |
| Iowa | 24 | 18 | 4 | 329 |
| Harrison | 14 | 9 | 10 | 327 |
| Delaware | 29 | 19 | 6 | 312 |
| Mitchell | 10 | 8 | 13 | 308 |
| Howard | 7 | 3 | 12 | 301 |
| Buchanan | 21 | 17 | 4 | 298 |
| Cedar | 25 | 19 | 6 | 290 |
| Grundy | 25 | 19 | 5 | 290 |
| Lee | 9 | 6 | 11 | 287 |
| Chickasaw | 9 | 7 | 11 | 275 |
| Mills | 18 | 14 | 10 | 268 |
| Floyd | 23 | 16 | 5 | 266 |
| Clay | 18 | 10 | 5 | 265 |
| Henry | 20 | 14 | 5 | 264 |
| Poweshiek | 25 | 19 | 5 | 263 |
| Tama | 25 | 19 | 5 | 249 |
| O'Brien | 13 | 5 | 7 | 247 |
| Davis | 4 | 3 | 11 | 246 |
| Van Buren | 5 | 3 | 11 | 244 |
| Pocahontas | 12 | 6 | 9 | 243 |
| Louisa | 22 | 15 | 9 | 227 |
| Cherokee | 9 | 5 | 9 | 226 |
| Page | 9 | 6 | 7 | 213 |
| Monona | 11 | 8 | 5 | 212 |
| Montgomery | 13 | 9 | 7 | 209 |
| Lyon | 13 | 4 | 11 | 206 |
| Appanoose | 13 | 9 | 5 | 205 |
| Sac | 12 | 6 | 9 | 198 |
| Shelby | 17 | 13 | 7 | 180 |
| Audubon | 8 | 6 | 12 | 164 |
| Jackson | 30 | 19 | 5 | 164 |
| Buena Vista | 13 | 7 | 5 | 163 |
| Kossuth | 25 | 15 | 4 | 162 |
| Lucas | 16 | 12 | 5 | 162 |
| Hamilton | 22 | 16 | 5 | 160 |
| Carroll | 17 | 11 | 5 | 157 |
| Taylor | 1 | 1 | 9 | 156 |
| Calhoun | 16 | 10 | 5 | 154 |
| Wapello | 8 | 5 | 4 | 154 |
| Winnebago | 22 | 16 | 6 | 149 |
| Cass | 13 | 9 | 6 | 147 |
| Emmet | 11 | 4 | 4 | 147 |
| Franklin | 21 | 15 | 6 | 144 |
| Wright | 21 | 15 | 5 | 141 |
| Monroe | 13 | 9 | 5 | 139 |
| Palo Alto | 10 | 4 | 5 | 133 |
| Dubuque | 11 | 5 | 3 | 125 |
| Keokuk | 18 | 12 | 5 | 120 |
| Crawford | 15 | 10 | 5 | 107 |
| Decatur | 16 | 12 | 5 | 104 |
| Worth | 22 | 14 | 5 | 95 |
| Humboldt | 20 | 14 | 5 | 93 |
| Fremont | 17 | 13 | 6 | 90 |
| Osceola | 17 | 9 | 7 | 86 |
| Hancock | 22 | 15 | 5 | 85 |
| Wayne | 16 | 12 | 5 | 82 |
| Sioux | 15 | 6 | 6 | 70 |
| Bremer | 17 | 13 | 8 | 68 |
| Winneshiek | 14 | 7 | 4 | 67 |
| Ida | 12 | 8 | 9 | 57 |
| Ringgold | 16 | 12 | 5 | 46 |
| Allamakee | 20 | 10 | 4 | 36 |
| Adams | 17 | 12 | 8 | 29 |
| Guthrie | 20 | 16 | 4 | 29 |
| Union | 16 | 12 | 4 | 14 |
| Adair | 16 | 12 | 4 | 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 Iowa end?
| 2026 plan | Brand | Members in all states, Sept. 2026 |
|---|---|---|
| Blue Medicare Advantage PPOH5900-001 | Wellmark Advantage Health Plan | 33,042 |
| AARP Medicare Advantage from UHC IA-1H5253-209 | UnitedHealthcare | 7,062 |
| Humana Full AccessH5216-411 | Humana | 6,690 |
| Medica Advantage PreferredH8889-011 | Medica | 5,476 |
| Align ChoicePlusH8385-003 | Align powered by Sanford Health Plan | 3,834 |
| Medica Advantage ValueH8889-010 | Medica | 2,068 |
| Align ChoiceEliteH8385-001 | Align powered by Sanford Health Plan | 925 |
| Medica Advantage SelectH8889-015 | Medica | 859 |
| Blue Medicare Advantage Valor PPOH5900-006 | Wellmark Advantage Health Plan | 290 |
| Humana Together in HealthH5216-413 | Humana | fewer than 11 |
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 Iowa lower the Part B premium?
11 plans open to everyone and sold in at least one Iowa county pay part of the Part B premium in 2027; the largest reduction comes first.
| 2027 plan | Brand | Monthly reduction |
|---|---|---|
| AARP Medicare Advantage Patriot No Rx IA-MA2H5253-241 | UnitedHealthcare | $170 |
| AARP Medicare Advantage Patriot No Rx NE-MA2H2802-084 | UnitedHealthcare | $170 |
| AARP Medicare Advantage Patriot No Rx IA-MA01H8768-018 | UnitedHealthcare | $160 |
| AARP Medicare Advantage Patriot No Rx NE-MA01H1278-018 | UnitedHealthcare | $160 |
| Devoted Giveback 035 IAH7993-035 | Devoted Health | $159.70 |
| Humana USAA Honor GivebackH5216-278 | Humana | $150 best in its area |
| Aetna Medicare EagleH1609-058 | Aetna Medicare | $130 |
| MercyOne Health Plan Cash BackH3668-031 | MediGold | $100 |
| MercyOne Health Plan Glory No RXH3668-029 | MediGold | $100 |
| Devoted Giveback Extras 108 IAH7993-108 | Devoted Health | $75 |
| HumanaChoice GivebackH5216-340 | Humana | $63 |
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).
268,069 of Iowa's 712,543 people with Medicare were in a Medicare Advantage plan in September 2026 (38%).
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