MA Enrollment Explorer / Parent organizations / MultiCare Health Systems
MultiCare Health Systems: Medicare Advantage enrollment and market share
MultiCare Health Systems had 324 Medicare Advantage members in October 2026, #226 nationally with 0.00% of all MA enrollment. It gained 96 members (+42.1%) since October 2025, and has enrollment in 1 state and 2 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 10 members (+4.2%). For 2027, none of its members are in plans that terminate or leave their county.
324MA members, October 2026
+42.1%change since October 2025 (+96)
0.00%national MA share, rank 226
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Washington | 322 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Pierce County, WA | 282 | +93 | 0.3% |
| King County, WA | 40 | +12 | 0.0% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H3284 Pacific Northwest PACE Partners | National PACE | 157 | 228 | 324 |
Star ratings for these contracts are in the MA Quality Dashboard.