This interactive graphic looks at enrollment rates in health plans and public programs, provides an illuminating history of the many plan mergers in the state since 1985, and offers a timeline of major milestones in California insurance history since the 1920s.

This briefing presented a comparison of cost-sharing and coverage for various California health insurance products in the event of breast cancer, heart attack, and diabetes.

This paper examines the phenomenon of providers billing managed care patients for unreimbursed charges. It describes how states have responded and offers guidance for policymakers considering balance billing regulation in California and elsewhere.

This issue brief finds that Californians with comparable medical conditions often get different amounts of hospital care, depending on the type of insurance they carry and the region where they live.

Health care price information, to be most useful to consumers, should be tailored to a specific audience and include provider and treatment option comparisons. Read more recommendations in these two fact sheets.

This CHCF-funded issue brief describes the introduction of "high-performance" networks that encourage enrollees to use providers who score well on efficiency and quality measures.