Updated in 2013 to include breast cancer, prostate cancer, and spine procedures, this CHCF-sponsored research shows that practice patterns vary dramatically from place to place.

California's health care safety net is a complex web of programs and providers that serve low-income, uninsured residents. See a snapshot before health reform takes full effect.

This map of grantees shows the breadth of Innovation Center investments in California working to test innovative payment and care delivery models to reduce costs and maintain or improve quality of care for recipients of Medicare, Medicaid, and CHIP.

More than two-thirds of Californians get their health insurance through private carriers. This infographic shows how the largest plans stack up in terms of enrollment and revenue.

Accelerators help digital health entrepreneurs start up and build their innovations by providing capital, guidance, and business support.

Biometric sensors have the potential to change the way patient health is tracked and monitored outside the hospital. Learn more about the evolution of this technology.

Accountable care organizations are growing in number and importance on the national stage. In the ACO model doctors, hospitals, and others coordinate care to improve quality and cost-effectiveness.

The Health Information Technology for Economic and Clinical Health (HITECH) Act invested billions nationally for health information technology (HIT), including up to $3 billion for California alone. This interactive graphic shows how this money has been spent so far in California.

Who are California's uninsured? This annual Almanac report provides data on those who are uninsured and their income levels, work status, age, and ethnicity.

Compared to the nation, more of California's children have public health coverage and fewer have coverage through their parents' work. This Almanac report looks at trends in children's coverage.

How does California rate on quality of health care for select clinical areas and patient conditions? Despite improvements on some measures, the state struggles to close persistent gaps.

In the past 50 years, the way health care is financed has changed, with private payers and public insurance paying for more care. This interactive graphic shows who paid for the nation's health care and how much it cost.

This CHCF initiative ensures that more health care data are publicly reported in California while helping to develop tools to access, analyze, and communicate these data.

A great deal is known about who gets cancer and who dies from it, but little data exists on the quality and cost of cancer care in California. This CHCF Almanac report looks at what we know in our state.

California ranked among the lowest in the nation for per capita health spending in 2009. Still, the total was $230 billion.