MA Enrollment Explorer / Parent organizations / Blue Cross Blue Shield of Arizona
Blue Cross Blue Shield of Arizona: Medicare Advantage enrollment and market share
Blue Cross Blue Shield of Arizona had 47,492 Medicare Advantage members in October 2026, #60 nationally with 0.13% of all MA enrollment. It gained 6,011 members (+14.5%) since October 2025, and has enrollment in 1 state and 9 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 9,500 members (+22.7%). For 2027, none of its members are in plans that terminate or leave their county.
47KMA members, October 2026
+14.5%change since October 2025 (+6,011)
0.13%national MA share, rank 60
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Arizona | 47,318 | 5.9% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Maricopa County, AZ | 33,502 | +4,429 | 7.9% |
| Pinal County, AZ | 4,783 | +1,187 | 7.9% |
| Pima County, AZ | 3,123 | +736 | 2.0% |
| Mohave County, AZ | 2,735 | −79 | 6.6% |
| Yavapai County, AZ | 1,295 | −114 | 3.2% |
| Navajo County, AZ | 876 | −48 | 8.2% |
| Coconino County, AZ | 482 | −9 | 6.0% |
| Apache County, AZ | 348 | +15 | 8.0% |
| Gila County, AZ | 174 | −24 | 2.3% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H0302 Blue Cross Blue Shield of Arizona (AZ Blue) | HMO/HMOPOS | 17,112 | 32,355 | 38,839 |
| H5587 Blue Cross Blue Shield of Arizona Health Choice | HMO/HMOPOS | 9,913 | 9,126 | 8,653 |
| H5140 Blue Cross Blue Shield of Arizona (AZ Blue) | Local PPO | 2,202 | n/a | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.