Medicare Advantage in Kings County, New York
241,058 people in Kings County, New York were enrolled in Medicare Advantage in October 2026, 57.8% of 417,294 eligible beneficiaries (+0.2 pts since October 2025). Healthfirst, Inc. is the largest parent organization with 36% of reported enrollment; 21 parent organizations have 11 or more members and the HHI is 1,944 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 8,922 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 38 to 37.
Parent organizations in Kings County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Healthfirst, Inc. | 86,212 | +996 | 35.9% |
| CVS Health Corporation | 43,418 | +5,149 | 18.1% |
| UnitedHealth Group, Inc. | 31,223 | −11,370 | 13.0% |
| Visiting Nurse Service of New York | 18,758 | +9,126 | 7.8% |
| Centene Corporation | 16,764 | −2,096 | 7.0% |
| Elevance Health, Inc. | 9,317 | +309 | 3.9% |
| Elderplan, Inc. | 8,148 | +877 | 3.4% |
| EmblemHealth, Inc. | 7,251 | −74 | 3.0% |
| Humana Inc. | 5,926 | +522 | 2.5% |
| New York City Health and Hospitals Corporation | 4,792 | +577 | 2.0% |
| Village Care of New York, Inc. | 3,974 | +1,427 | 1.7% |
| NY Hotel Trades Council&Hotel Assn of NYC | 1,166 | −8 | 0.5% |
| CenterLight Health System, Inc. | 915 | +244 | 0.4% |
| Hamaspik of Rockland County, Inc. | 576 | +331 | 0.2% |
| CareSource | 519 | +108 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 23,163 beneficiaries in Kings County were assigned to 224 Medicare Shared Savings Program ACOs, 18.8% of assignable Original Medicare beneficiaries. Together, roughly 66% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.