Medicare Advantage in Bronx County, New York
169,507 people in Bronx County, New York were enrolled in Medicare Advantage in October 2026, 71.3% of 237,893 eligible beneficiaries (+0.1 pts since October 2025). Healthfirst, Inc. is the largest parent organization with 51% of reported enrollment; 19 parent organizations have 11 or more members and the HHI is 2,926 (highly concentrated). For 2027, 5,224 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 37 to 31.
Parent organizations in Bronx County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Healthfirst, Inc. | 85,702 | +1,227 | 50.8% |
| CVS Health Corporation | 20,852 | +1,885 | 12.4% |
| Visiting Nurse Service of New York | 13,211 | +5,799 | 7.8% |
| UnitedHealth Group, Inc. | 11,878 | −2,760 | 7.0% |
| Centene Corporation | 11,235 | −2,135 | 6.7% |
| Elevance Health, Inc. | 5,272 | +42 | 3.1% |
| Elderplan, Inc. | 5,180 | +464 | 3.1% |
| EmblemHealth, Inc. | 5,086 | −574 | 3.0% |
| New York City Health and Hospitals Corporation | 3,397 | +438 | 2.0% |
| Humana Inc. | 2,838 | +65 | 1.7% |
| Village Care of New York, Inc. | 1,797 | +410 | 1.1% |
| NY Hotel Trades Council&Hotel Assn of NYC | 540 | +3 | 0.3% |
| CenterLight Health System, Inc. | 398 | +39 | 0.2% |
| Hamaspik of Rockland County, Inc. | 321 | +148 | 0.2% |
| Health Care Service Corporation | 285 | −923 | 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, 8,521 beneficiaries in Bronx County were assigned to 143 Medicare Shared Savings Program ACOs, 21.1% 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.