Medicare Advantage in Lake County, Ohio
34,120 people in Lake County, Ohio were enrolled in Medicare Advantage in October 2026, 55.2% of 61,768 eligible beneficiaries (−0.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 22% of reported enrollment; 15 parent organizations have 11 or more members and the HHI is 1,625 (moderately concentrated). For 2027, 2,202 members here are in plans that terminate or leave the county. MA plans offered go from 69 to 63.
Parent organizations in Lake County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 7,567 | −831 | 22.2% |
| Elevance Health, Inc. | 7,085 | −2,070 | 20.8% |
| CVS Health Corporation | 6,324 | +847 | 18.6% |
| MEDICAL MUTUAL OF OHIO | 4,342 | +280 | 12.8% |
| Humana Inc. | 3,667 | +535 | 10.8% |
| Devoted Health, Inc. | 2,680 | +1,423 | 7.9% |
| CareSource | 954 | +265 | 2.8% |
| General Catalyst Group Management Holdings LP | 430 | +158 | 1.3% |
| Health Care Service Corporation | 404 | +27 | 1.2% |
| Centene Corporation | 344 | −173 | 1.0% |
| Zing Health Consolidator, Inc | 108 | +45 | 0.3% |
| Perennial Consortium, LLC | 49 | new | 0.1% |
| Molina Healthcare, Inc. | 46 | new | 0.1% |
| Highmark Health | 25 | +2 | under 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 17 | −1 | 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, 7,721 beneficiaries in Lake County were assigned to 74 Medicare Shared Savings Program ACOs, 39.5% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.