American Parkinson Disease Association
http://www.apdaparkinson.com/
Provides information on support groups, treatment options, and health-care facilities across the United States.

National Parkinson Foundation
http://www.parkinson.org/
Offers extensive treatment information and news about Parkinson's for patients and caregivers.

Northwest Parkinson's Foundation
http://www.nwpf.org/
A nonprofit that seeks to make the Pacific Northwest a leading center for the study and treatment of movement disorders. It helps fund the Booth Gardner Parkinson's Care Center in Kirkland, Wash.

Parkinson's Action Network (PAN)
http://www.parkinsonaction.org/
An advocacy-oriented nonprofit that seeks to increase awareness about Parkinson's and to educate policy makers as to the importance of federal research funding on the disease, among other goals.

Parkinson's Disease Foundation (PDF)
http://www.pdf.org/
Promotes and helps fund research into the causes of and cure for Parkinson's and for better treatment of symptoms.

Parkinson's Unity Walk of New York
http://www.unitywalk.org/
An annual fundraising walk in New York City that benefits several nonprofits, including the Foundation.

WE MOVE: Worldwide Education and Awareness for Movement Disorders
http://www.wemove.org/
A source of comprehensive, up-to-date information on movement disorders for health care professionals, patients, and the public.