Medicare Advantage in Cattaraugus County, New York
13,180 people in Cattaraugus County, New York were enrolled in Medicare Advantage in October 2026, 66.8% of 19,742 eligible beneficiaries (+2.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 26% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 1,683 (moderately concentrated). HRSA classifies the county as fully rural. For 2027, 1,810 members here are in plans that terminate or leave the county. MA plans offered go from 39 to 34.
Parent organizations in Cattaraugus County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,355 | +150 | 25.6% |
| Lifetime Healthcare, Inc. | 2,770 | +1,403 | 21.1% |
| CVS Health Corporation | 1,942 | +1,050 | 14.8% |
| Highmark Health | 1,433 | −1,440 | 10.9% |
| Humana Inc. | 1,395 | +512 | 10.6% |
| Independent Health Association, Inc. | 1,234 | −948 | 9.4% |
| Centene Corporation | 887 | −58 | 6.8% |
| Community Care of Western New York, Inc. | 87 | −9 | 0.7% |
| MVP Health Care, Inc. | 14 | −3 | 0.1% |
| Elevance Health, Inc. | 13 | +1 | 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, 1,007 beneficiaries in Cattaraugus County were assigned to 43 Medicare Shared Savings Program ACOs, 21.8% 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.