MA Enrollment Explorer / Parent organizations / CoxHealth
CoxHealth: Medicare Advantage enrollment and market share
CoxHealth had 4,363 Medicare Advantage members in October 2026, #125 nationally with 0.01% of all MA enrollment. It gained 531 members (+13.9%) since October 2025, and has enrollment in 1 state and 10 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 566 members (+14.9%). For 2027, none of its members are in plans that terminate or leave their county.
4,363MA members, October 2026
+13.9%change since October 2025 (+531)
0.01%national MA share, rank 125
1contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Missouri | 4,337 | 0.6% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Greene County, MO | 1,989 | +127 | 4.9% |
| Christian County, MO | 727 | +70 | 5.8% |
| Taney County, MO | 551 | +50 | 5.6% |
| Stone County, MO | 393 | +63 | 5.9% |
| Lawrence County, MO | 224 | +65 | 3.8% |
| Barry County, MO | 208 | +59 | 3.7% |
| Webster County, MO | 170 | +11 | 2.8% |
| Polk County, MO | 30 | new | 0.6% |
| Phelps County, MO | 25 | new | 0.5% |
| Dent County, MO | 20 | new | 1.1% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H2942 Cox HealthPlans | HMO/HMOPOS | 3,669 | 3,832 | 4,363 |
Star ratings for these contracts are in the MA Quality Dashboard.