Parkinson's Disease in Asian Americans

Inclusion Criteria: * Objective 1 (chart review): 1. Chinese or Vietnamese ethnicity 2. Age: 18 years of age or older 3. Diagnosed or presented for PD care at the Tufts Medical Center (TMC) Movement Disorders Clinic (MDC) from January 1, 2010 to December 31, 2019. * Objective 2 (qualitative study): 1. Asian American person diagnosed with PD: 1. Diagnosed with PD 2. Chinese or Vietnamese ethnicity 3. Age: 18 years of age or older 4. Able to participate in an interview by phone or on Zoom 5. Able to provide informed consent 2. Primary caregivers of Asian American PD patients recruited into the study: 1. Age: 18 years of age or older 2. First-degree family member or spouse 3. Self-identified as a primary caregiver of an Asian American person with PD 4. Able to participate in an interview by phone or on Zoom 5. Able to provide informed consent 3. Clinicians: 1. Any clinician (e.g. primary care provider, neurologist, resident, nurse, nurse practitioner, etc) that takes care of PD patients. 2. Age: 18 years of age or older 4. Key advocates in the Asian American community working specifically with the Asian elderly population. 1. Employee or volunteer for a community-based organization working with the Asian elderly population (e.g. Greater Boston Chinese Golden Age Center, South Cove Manor, and Midtown Home Health Services) or other organizations working with PD patients and the elderly (e.g. Massachusetts Council on Aging and the Massachusetts Chapter of the American Parkinson's Disease Association) 2. Age: 18 years of age or older 3. Able to participate in a focus group discussion on Zoom Objective 3 (surveys of care partners of Asian American individuals with PD): <!-- --> 1. Chinese or Vietnamese ethnicity 2. Primary care partner of a family member with Parkinson's Disease 3. Age: 18 years of age or older 4. Care partner or family member with Parkinson's Disease must be of Asian descent Exclusion Criteria: Objective 1: 1\. Patients diagnosed with juvenile-onset Parkinson's Disease Objective 2: PD patients only: 1. Patients with juvenile-onset Parkinson's Disease 2. Patients diagnosed with dementia 3. Patients on medication for cognitive impairment, e.g., anti-psychotics, donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne) No exclusion criteria for other stakeholder groups (caregivers, clinical providers, key community advocates). Objective 3: 1\. Patients with juvenile-onset Parkinson's Disease