Medicare Advantage in Chemung County, New York
13,135 people in Chemung County, New York were enrolled in Medicare Advantage in October 2026, 62.3% of 21,081 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 34% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,371 (highly concentrated). For 2027, 5,059 members here are in plans that terminate or leave the county. MA plans offered go from 24 to 22.
Parent organizations in Chemung County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 4,389 | −121 | 33.5% |
| Lifetime Healthcare, Inc. | 3,679 | −635 | 28.1% |
| Humana Inc. | 1,847 | +813 | 14.1% |
| Centene Corporation | 1,587 | +25 | 12.1% |
| CVS Health Corporation | 1,354 | +146 | 10.3% |
| MVP Health Care, Inc. | 201 | −51 | 1.5% |
| Highmark Health | 15 | 0 | 0.1% |
| Elevance Health, Inc. | 15 | +2 | 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, 184 beneficiaries in Chemung County were assigned to 34 Medicare Shared Savings Program ACOs, 3.2% of assignable Original Medicare beneficiaries. Together, roughly 64% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.