On July 1, 2018, the California Department of Public Health (CDPH) launched the California Parkinson’s Disease Registry, a statewide population-based registry that will be used to measure the incidence and prevalence of Parkinson's disease. 

MDs, DOs, PAs, and NPs who diagnose or treat Parkinson’s disease patients are required to report. The first deadline for data submission is March 29, 2019, for cases encountered during the first quarter the law was in effect (July 1 to September 30, 2018). 

Click here for more details on this reporting obligation.