Requires the Indiana University School of Medicine to collect data on the incidence of Parkinson's disease and establish a Parkinson's disease registry. Requires health care providers to report a diagnosis of Parkinson's disease and a related condition to the registry, and, if a patient agrees to the reporting, additional information concerning the medical treatment. Requires the health care provider to provide certain information to a patient diagnosed with Parkinson's disease or a related condition and to receive either permission or a denial to provide other information concerning the diagnosis and treatment. Requires that the information be confidential. Provides immunity to a person that provides information for the registry. Specifies persons that can obtain information from the registry.