Medicare Advantage in Archuleta County, Colorado
1,407 people in Archuleta County, Colorado were enrolled in Medicare Advantage in October 2026, 29.0% of 4,850 eligible beneficiaries (−2.0 pts since October 2025). CVS Health Corporation is the largest parent organization with 35% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,186 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 591 members here are in plans that terminate or leave the county, and CVS Health Corporation leaves. MA plans offered go from 12 to 3.
Parent organizations in Archuleta County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 484 | +189 | 35.0% |
| Humana Inc. | 465 | +180 | 33.6% |
| UnitedHealth Group, Inc. | 399 | −432 | 28.8% |
| Health Care Service Corporation | 20 | 0 | 1.4% |
| Elevance Health, Inc. | 16 | +2 | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 145 beneficiaries in Archuleta County were assigned to 47 Medicare Shared Savings Program ACOs, 6.9% of assignable Original Medicare beneficiaries. Together, roughly 34% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.