Medicare Advantage in Prowers County, Colorado
452 people in Prowers County, Colorado were enrolled in Medicare Advantage in October 2026, 17.1% of 2,639 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 97% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 9,473 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 189 members here are in plans that terminate or leave the county. MA plans offered go from 0 to 0.
Parent organizations in Prowers County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 431 | +37 | 97.3% |
| Humana Inc. | 12 | −17 | 2.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 515 beneficiaries in Prowers County were assigned to 15 Medicare Shared Savings Program ACOs, 30.1% of assignable Original Medicare beneficiaries. Together, roughly 42% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.