Medicare Advantage in Niagara County, New York
40,694 people in Niagara County, New York were enrolled in Medicare Advantage in October 2026, 73.3% of 55,517 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 30% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 1,859 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 3,940 members here are in plans that terminate or leave the county. MA plans offered go from 44 to 36.
Parent organizations in Niagara County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 11,971 | +841 | 29.5% |
| Lifetime Healthcare, Inc. | 7,709 | +4,955 | 19.0% |
| CVS Health Corporation | 5,846 | +4,002 | 14.4% |
| Highmark Health | 5,680 | −5,131 | 14.0% |
| Independent Health Association, Inc. | 5,435 | −4,070 | 13.4% |
| Centene Corporation | 2,604 | −141 | 6.4% |
| Humana Inc. | 1,102 | +412 | 2.7% |
| Health Association of Niagara County, Incorp. | 165 | +20 | 0.4% |
| Elevance Health, Inc. | 61 | +2 | 0.2% |
| VISITING NURSE ASSOCIATION OF CENTRAL NEW YORK | 18 | new | under 0.1% |
| Fallon Community Health Plan, Inc. | 14 | new | under 0.1% |
| MVP Health Care, Inc. | 11 | −30 | 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, 265 beneficiaries in Niagara County were assigned to 53 Medicare Shared Savings Program ACOs, 2.8% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.