Who We Are

Welcome to the Huntington's Disease Society of America's (HDSA) Orange County Chapter. We are a part of HDSA's Pacific West Region.



Our Mission

To improve the lives of everyone affected by Huntington's disease and their families.



Our Vision

A world free of Huntington's disease.



About HDSA

The Huntington's Disease Society of America (HDSA) is the premier nonprofit organization dedicated to improving the lives of everyone affected by Huntington's disease. From community services and education to advocacy and research, HDSA is the world's leader in providing help for today, hope for tomorrow for people with Huntington's disease and their families. In the battle against Huntington's disease no one fights alone. At HDSA, family is everything.​



HDSA Centers of Excellence


The HDSA Centers of Excellence provide an elite multidisciplinary approach to Huntington's disease care and research.

At these world-class facilities, patients benefit from expert neurologists, psychiatrists, therapists, counselors and other professionals who have deep experience working with families affected by HD and who work collaboratively to help families plan the best HD care program throughout the course of the disease.

For the exact address of each HDSA Center of Excellence, click here for our Locate Resources page



Contact Us

HDSA Orange County
P.O. Box 6302
Huntington Beach, CA 92615
Email: orangecounty@hdsavolunteer.org

HDSA Pacific West Regional Development Officers

Nichole Mendoza
p. 707-416-6002
e: nmendoza@hdsa.org

Christine Greve
p. 760-566-9622
e: cgreve@hdsa.org

HDSA-Orange County Social Worker
Clinical Social Worker, Health Referrals, Support Groups
Susan Reynolds, MSW, LICSW
Direct Line: (206) 426-2080
Email: sreynolds@hdsa.org 

Orange County HD Support Group Meeting
Day & Time: Check Event Section
Location: Virtual groups
- At-Risk / Not Symptomatic
- HD Caregivers and Support Person Group
- HD Positive