According to J.D. Power and Associates, Kaiser Foundation Health Plan was the top rated California health plan based on their 2009 survey.
Based on their survey and analysis of more than 130 health plans nationally (broken up into 17 distinct regions), Kasier Foundation Health plan was the tops in the California region and among the best nationally.
The other health plans from California that were surveyed all performed below average. They included: Blue Cross of California, Blue Shield of California, Aetna, HealthNet, Pacificare, and CIGNA.