MA Enrollment Explorer / Parent organizations / Mercy Care
Mercy Care: Medicare Advantage enrollment and market share
Mercy Care had 10,955 Medicare Advantage members in October 2026, #102 nationally with 0.03% of all MA enrollment. It gained 28 members (+0.3%) since October 2025, and has enrollment in 1 state and 6 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it lost 81 members (−0.7%). For 2027, none of its members are in plans that terminate or leave their county.
11KMA members, October 2026
+0.3%change since October 2025 (+28)
0.03%national MA share, rank 102
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Arizona | 10,890 | 1.3% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Maricopa County, AZ | 9,431 | −43 | 2.2% |
| Pima County, AZ | 877 | +3 | 0.6% |
| Pinal County, AZ | 499 | +38 | 0.8% |
| Gila County, AZ | 61 | +14 | 0.8% |
| Yuma County, AZ | 11 | new | 0.0% |
| Yavapai County, AZ | 11 | new | 0.0% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H5580 Mercy Care Advantage | HMO/HMOPOS | 11,588 | 10,927 | 10,955 |
Star ratings for these contracts are in the MA Quality Dashboard.