Medicare Advantage in Coconino County, Arizona
8,088 people in Coconino County, Arizona were enrolled in Medicare Advantage in October 2026, 32.3% of 25,035 eligible beneficiaries (−1.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 47% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 2,689 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 914 members here are in plans that terminate or leave the county, and CVS Health Corporation, Elevance Health, Inc. leave. MA plans offered go from 15 to 13.
Parent organizations in Coconino County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,733 | +27 | 46.6% |
| Humana Inc. | 1,120 | −60 | 14.0% |
| Centene Corporation | 929 | +120 | 11.6% |
| CVS Health Corporation | 677 | −608 | 8.5% |
| Devoted Health, Inc. | 662 | +394 | 8.3% |
| Blue Cross Blue Shield of Arizona | 482 | −9 | 6.0% |
| Elevance Health, Inc. | 146 | +1 | 1.8% |
| Gold Kidney Health Plan | 127 | +67 | 1.6% |
| UMWA Health and Retirement Funds | 93 | +6 | 1.2% |
| Health Care Service Corporation | 23 | +9 | 0.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 12 | −1 | 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, 490 beneficiaries in Coconino County were assigned to 86 Medicare Shared Savings Program ACOs, 4.9% of assignable Original Medicare beneficiaries. Together, roughly 36% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.