California is a very big state, and boasts some of the world’s biggest and most leading-edge health systems. Because of its size, however, the Golden State’s health information exchange ecosystem is often fragmented and siloed, with many regional HIEs serving providers in their nearby footprint.
In July 2021, California Gov. Gavin Newsom signed bill AB 133 into law. It requires healthcare organizations statewide to link up their data sharing…