MA Enrollment Explorer / Parent organizations / Iowa Health System
Iowa Health System: Medicare Advantage enrollment and market share
Iowa Health System had 431 Medicare Advantage members in October 2026, #210 nationally with 0.00% of all MA enrollment. It gained 136 members (+46.1%) since October 2025, and has enrollment in 1 state and 7 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 12 members (+3.8%). For 2027, none of its members are in plans that terminate or leave their county.
431MA members, October 2026
+46.1%change since October 2025 (+136)
0.00%national MA share, rank 210
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Iowa | 414 | 0.2% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Woodbury County, IA | 230 | +18 | 2.5% |
| Scott County, IA | 52 | +29 | 0.3% |
| Linn County, IA | 37 | new | 0.2% |
| Black Hawk County, IA | 35 | new | 0.2% |
| Muscatine County, IA | 27 | +16 | 0.8% |
| Plymouth County, IA | 22 | +6 | 1.3% |
| Clinton County, IA | 11 | new | 0.2% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H8424 UnityPoint Health PACE Senior Care | National PACE | 235 | 295 | 431 |
Star ratings for these contracts are in the MA Quality Dashboard.