TRYNYTYhealth:enablement
MA Enrollment Explorer / New York / Chautauqua County

Medicare Advantage in Chautauqua County, New York

21,962 people in Chautauqua County, New York were enrolled in Medicare Advantage in October 2026, 66.6% of 32,955 eligible beneficiaries (+0.8 pts since October 2025). CVS Health Corporation is the largest parent organization with 25% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 1,931 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,983 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 36.

66.6%MA penetration, October 2026
21,962MA enrollees
25%leading parent's share
48.8%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in New York

Parent organizations in Chautauqua County

Parent organizationMembersChange since October 2025Share
CVS Health Corporation5,471+3,12325.0%
UnitedHealth Group, Inc.5,325−5224.3%
Lifetime Healthcare, Inc.4,870+99422.3%
Humana Inc.2,062+5429.4%
Highmark Health1,846−2,7748.4%
Independent Health Association, Inc.1,380−1,2276.3%
Centene Corporation898−1744.1%
Elevance Health, Inc.22+10.1%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 4,134 beneficiaries in Chautauqua County were assigned to 68 Medicare Shared Savings Program ACOs, 48.8% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.