In the San Francisco Bay Area, health care empires are being built as providers form affiliations with other providers and with health plans. This interactive infographic provides a county-by-county look at which health players are consolidating control of the market.

In the San Francisco Bay Area, large players are consolidating control of hospitals and physician organizations. This issue brief documents the region's fast-evolving health care marketplace.

Individual health insurance coverage is trending toward plans that limit hospital options. What does this mean for Covered California members in terms of quality?

With the aging of the baby boomers and gains in life expectancy, California's senior population is expected to more than double by 2040. Will the state's health care infrastructure be sufficient? This Almanac report looks at 2012 and 2013 data as well as projections for the future.

Capacity at California's acute care hospitals was fairly stable over the decade from 2004 to 2013, with some regional variation. This Almanac report, California Hospitals: An Evolving Environment, examines number of hospitals and supply of beds, use of services, finances, and quality.

Recent business consolidation in health care has spurred a need to weigh the benefits of integrating services against antitrust concerns.

Researchers have found that patients often receive treatment in the ICU that neither matches their preferences nor is likely to benefit them.

Five California public hospitals are integrating Lean management techniques at every level to improve performance. Case studies highlight their progress and lessons learned.

Expectant mothers can have different delivery experiences depending on the hospital. This analysis of maternity care measures finds wide variation in how California's hospitals performed.