Medicare Advantage in Essex County, New Jersey
65,190 people in Essex County, New Jersey were enrolled in Medicare Advantage in October 2026, 49.7% of 131,092 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 38% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 2,378 (highly concentrated). For 2027, 4,673 members here are in plans that terminate or leave the county, and Health Care Service Corporation, Healthfirst, Inc. leave. MA plans offered go from 37 to 33.
Parent organizations in Essex County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 24,532 | −2,711 | 37.7% |
| Clover Health Holdings, Inc. | 13,046 | +3,305 | 20.1% |
| CVS Health Corporation | 12,540 | +101 | 19.3% |
| Horizon Mutual Holdings, Inc | 7,268 | +783 | 11.2% |
| Humana Inc. | 4,153 | +1,195 | 6.4% |
| Elevance Health, Inc. | 1,764 | −416 | 2.7% |
| Centene Corporation | 1,390 | −220 | 2.1% |
| Longevity Health Founders, LLC | 137 | +5 | 0.2% |
| Health Care Service Corporation | 67 | −245 | 0.1% |
| NY Hotel Trades Council&Hotel Assn of NYC | 36 | −1 | under 0.1% |
| Healthfirst, Inc. | 19 | +4 | under 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 16 | +2 | under 0.1% |
| EmblemHealth, Inc. | 12 | +1 | under 0.1% |
| Highmark Health | 11 | new | 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, 22,046 beneficiaries in Essex County were assigned to 166 Medicare Shared Savings Program ACOs, 53.6% of assignable Original Medicare beneficiaries. Together, roughly 77% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.