Medicare Advantage in Broomfield County, Colorado
8,118 people in Broomfield County, Colorado were enrolled in Medicare Advantage in October 2026, 61.5% of 13,200 eligible beneficiaries (−1.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 3,401 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 349 members here are in plans that terminate or leave the county. MA plans offered go from 41 to 32.
Parent organizations in Broomfield County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,580 | −13 | 44.4% |
| Kaiser Foundation Health Plan, Inc. | 2,935 | −9 | 36.4% |
| Humana Inc. | 707 | +244 | 8.8% |
| CVS Health Corporation | 325 | −103 | 4.0% |
| Devoted Health, Inc. | 269 | +114 | 3.3% |
| Intermountain Health Care, Inc. | 92 | +35 | 1.1% |
| Total Community Options, Inc. | 54 | 0 | 0.7% |
| Elevance Health, Inc. | 50 | +5 | 0.6% |
| Health Care Service Corporation | 31 | −115 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 23 | −1 | 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, 2,547 beneficiaries in Broomfield County were assigned to 59 Medicare Shared Savings Program ACOs, 72.3% of assignable Original Medicare beneficiaries. Together, roughly 89% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.