Medicare Advantage in Middlesex County, Connecticut
26,667 people in Middlesex County, Connecticut were enrolled in Medicare Advantage in October 2026. CVS Health Corporation is the largest parent organization with 46% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,850 (highly concentrated). For 2027, 6,574 members here are in plans that terminate or leave the county, and Molina Healthcare, Inc., Point32Health, Inc., Health Care Service Corporation leave. MA plans offered go from 29 to 23.
Parent organizations in Middlesex County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 12,179 | +4,324 | 45.7% |
| UnitedHealth Group, Inc. | 5,195 | −4,053 | 19.5% |
| Molina Healthcare, Inc. | 4,375 | −156 | 16.4% |
| Elevance Health, Inc. | 2,037 | −192 | 7.6% |
| Point32Health, Inc. | 1,939 | +93 | 7.3% |
| Humana Inc. | 430 | +302 | 1.6% |
| Centene Corporation | 341 | +35 | 1.3% |
| Health Care Service Corporation | 151 | −39 | 0.6% |
| Highmark Health | 20 | +1 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,411 beneficiaries in Middlesex County were assigned to 86 Medicare Shared Savings Program ACOs, 30.3% of assignable Original Medicare beneficiaries. See the ACOs in the MSSP Explorer.