Medicare Advantage in Rockland County, New York
19,896 people in Rockland County, New York were enrolled in Medicare Advantage in October 2026, 32.7% of 60,877 eligible beneficiaries (+0.3 pts since October 2025). CVS Health Corporation is the largest parent organization with 34% of reported enrollment; 15 parent organizations have 11 or more members and the HHI is 2,225 (highly concentrated). For 2027, 2,313 members here are in plans that terminate or leave the county, and Health Care Service Corporation, EmblemHealth, Inc. leave. MA plans offered go from 33 to 26.
Parent organizations in Rockland County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 6,755 | +835 | 34.1% |
| UnitedHealth Group, Inc. | 4,937 | −845 | 24.9% |
| Centene Corporation | 3,560 | −42 | 18.0% |
| Humana Inc. | 1,505 | +823 | 7.6% |
| Healthfirst, Inc. | 1,050 | +166 | 5.3% |
| Elevance Health, Inc. | 843 | +107 | 4.3% |
| MVP Health Care, Inc. | 539 | −121 | 2.7% |
| Hamaspik of Rockland County, Inc. | 163 | +15 | 0.8% |
| EmblemHealth, Inc. | 160 | +2 | 0.8% |
| Health Care Service Corporation | 151 | −353 | 0.8% |
| Catholic Health Care System | 56 | −9 | 0.3% |
| Elderplan, Inc. | 27 | +10 | 0.1% |
| Visiting Nurse Service of New York | 19 | new | under 0.1% |
| Horizon Mutual Holdings, Inc | 12 | new | under 0.1% |
| Molina Healthcare, Inc. | 11 | −5 | 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, 9,976 beneficiaries in Rockland County were assigned to 133 Medicare Shared Savings Program ACOs, 31.8% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.