Medicare Advantage in El Paso County, Colorado
67,431 people in El Paso County, Colorado were enrolled in Medicare Advantage in October 2026, 51.0% of 132,327 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 49% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 3,171 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 5,580 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 25.
Parent organizations in El Paso County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 33,112 | −363 | 49.3% |
| Humana Inc. | 15,462 | +2,918 | 23.0% |
| Kaiser Foundation Health Plan, Inc. | 7,977 | +193 | 11.9% |
| CVS Health Corporation | 4,646 | +47 | 6.9% |
| Devoted Health, Inc. | 2,724 | +451 | 4.1% |
| Bethesda Foundation | 1,062 | +52 | 1.6% |
| Elevance Health, Inc. | 991 | −100 | 1.5% |
| Intermountain Health Care, Inc. | 767 | +233 | 1.1% |
| Health Care Service Corporation | 296 | −1,456 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 97 | −5 | 0.1% |
| California Physicians' Service | 23 | +3 | under 0.1% |
| Highmark Health | 23 | +10 | under 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, 24,791 beneficiaries in El Paso County were assigned to 229 Medicare Shared Savings Program ACOs, 60.0% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.