Medicare Advantage in Montrose County, Colorado
5,435 people in Montrose County, Colorado were enrolled in Medicare Advantage in October 2026, 41.2% of 13,206 eligible beneficiaries (−3.0 pts since October 2025). Humana Inc. is the largest parent organization with 58% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 4,137 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,150 members here are in plans that terminate or leave the county. MA plans offered go from 11 to 7.
Parent organizations in Montrose County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,108 | −88 | 57.6% |
| UnitedHealth Group, Inc. | 1,360 | −507 | 25.2% |
| CVS Health Corporation | 722 | +306 | 13.4% |
| Volunteers of America National Services | 132 | −8 | 2.4% |
| Longevity Health Founders, LLC | 37 | −3 | 0.7% |
| Elevance Health, Inc. | 24 | −1 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 14 | 0 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,596 beneficiaries in Montrose County were assigned to 47 Medicare Shared Savings Program ACOs, 29.9% of assignable Original Medicare beneficiaries. Together, roughly 59% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.