MA Enrollment Explorer / Parent organizations / Union Health Services, Inc.
Union Health Services, Inc.: Medicare Advantage enrollment and market share
Union Health Services, Inc. had 1,687 Medicare Advantage members in October 2026, #148 nationally with 0.00% of all MA enrollment. It gained 15 members (+0.9%) since October 2025, and has enrollment in 2 states and 6 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it lost 28 members (−1.7%).
1,687MA members, October 2026
+0.9%change since October 2025 (+15)
0.00%national MA share, rank 148
1contracts with enrollment
Largest states
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Cook County, IL | 1,527 | +4 | 0.4% |
| DuPage County, IL | 58 | +2 | 0.1% |
| Will County, IL | 31 | +5 | 0.1% |
| Lake County, IN | 13 | +2 | 0.0% |
| Lake County, IL | 12 | +1 | 0.0% |
| Kane County, IL | 11 | new | 0.0% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H6142 Union Health Service, Inc. | HCPP - 1833 Cost | 1,742 | 1,672 | 1,687 |
Star ratings for these contracts are in the MA Quality Dashboard.