California's 'Straight-A' Leapfrog Hospitals

Leapfrog assigns letter grades to hospitals based on their patient safety performance twice annually since spring 2012. These 3 California hospitals have maintained the highest possible grade 17 consecutive times, including the most recent update.

French Hospital Medical Center (San Luis Obispo)
Kaiser Permanente Orange County-Anaheim Medical Center
Sierra Vista Regional Medical Center (San Luis Obispo)

Source: Becker's Hospital Review