Patient description: A 57-year old farmer was diagnosed with Parkinson's disease a year ago. He experiences slowness of movement and tremors. His past medical history is significant for hypertension and hypercholesterolemia. He lives with his wife. They have three children. He used to be active with planting and taking care of their farm animals before his diagnosis. The patient complains of shaking and slow movement. He had difficulty entering through a door, as he was frozen and needed guidance to step in. His handwriting is getting smaller. He is on Levodopa and Trihexyphenidyl. He stated his medications help with shaking and slow movement. But he still has difficulty initiating movements, stiffness and slowness in general. He is an alert and cooperative man who doesn't have any signs of dementia. He doesn't smoke or use any illicit drugs.

Clinical trial eligibility criteria: eligible ages (years): 40.0-999.0,  Parkinson Disease HVP Patient-Subject Each subject must be 40 years of age or older. A subject may be of either gender, any race, and any ethnicity Subjects must have a diagnosis of idiopathic Parkinson's Disease (inclusive of Parkinson's Disease Dementia) by a neurologist Subjects will have been seen at least once in the past two years in the outpatient movement disorders clinic at Rush University Medical Center Subjects must be rated as HY stage 3-5 at the time of screening via chart review of the most recent clinical visit Subjects must reside within a 60-minute public transit or driving distance of Rush University Subjects must live at home (as defined by an independent dwelling such as an apartment, condominium, or house owned or rented by, or provided to/shared with the subject) Subjects must be home-bound according to the Medicare definition: "Leaving your home isn't recommended because of your condition; your condition keeps you from leaving home without help (such as using a wheelchair or walker, needing special transportation, or getting help from another person); leaving home takes a considerable and taxing effort." (http://www.medicare.gov/pubs/pdf/10969.pdf) Subjects have one or more of the following as determined by the referring neurologist: motor or cognitive fluctuations, multi-morbidity, medication mismanagement, cognitive impairment, symptoms of depression and/or anxiety, high risk for hospitalization or hospital readmission, high risk for nursing facility admission, suspected elder abuse, recent history of increased falls in home, caregiver burnout suspected, >2 cancelled or no-show appointments with the movement disorders providers in the preceding 12 months Subjects must have a caregiver willing to participate in the study, as defined by an unpaid individual cohabiting with or spending an average of >20 hours weekly engaged in care-related tasks related to the subject  Subjects exhibiting symptoms of a severe psychiatric disorder interfering with their ability to participate in the study, as determined by the referring neurologist, study team member, or PI Subjects who are primarily non-English-speaking for Subjects, by type: HVP Patient-Subject Subjects with diagnoses of atypical parkinsonism or possible/probable PSP, MSA, CBS,or DLB will be excluded Subjects without an informal caregiver will be excluded. HVP Caregiver-Subject Active psychosis or other severe psychiatric disease Terminal illness (life expectancy <12 months) Caregiver Peer Mentor Active psychosis or other severe psychiatric disease Terminal illness (life expectancy <12 months)