Source: Blue Cross and Blue Shield Association, 2015

From the press release:
The Blue Cross Blue Shield Association (BCBSA) announced today the collective commitment of all 36 independent Blue Cross and Blue Shield (BCBS) companies to contribute comprehensive data on healthcare quality and costs to Blue Cross Blue Shield Axis SM (BCBS Axis SM), an industry-leading data capability that is unprecedented in scope and scale. BCBS Axis powers the transformation of healthcare by providing insights and solutions for employers, consumers and physicians to improve the quality and affordability of care.

This commitment vastly expands the volume of data included in BCBS Axis, which reflects more than $350 billion in annual claims along with 36 million provider records and more than 700,000 BCBS patient reviews. The breadth of the data makes BCBS Axis the healthcare industry’s largest aggregated data resource and the only one that includes information from every ZIP code in the United States. The data include more than 2.3 billion procedures conducted annually from more than 20,000 healthcare facilities and 540,000 physicians.

It allows Blue Cross and Blue Shield companies to equip employers, consumers and physicians with accurate and actionable information based on their vast data resources. Covering 1 in 3 Americans, the Blue Cross and Blue Shield System is uniquely positioned to provide insights and intelligence on healthcare quality and cost at the local, regional and national levels by drawing on data from a network that includes more than 92 percent of physicians and 96 percent of hospitals nationwide.