Contact CHAA

If you would like more information or interested in services provided by CHAA, you may leave a confidential message at any time by calling our intake desks at the office nearest you, or email your request to info@chaaweb.org. CHAA’s offices are open from 9:00am – 5:00pm Monday through Friday.


Alameda County

Contact: Dr. Carla Vogel-Stone (Clinical Programs Director) and Nwe Oo (Health Equity Director)
1141 Harbor Bay Parkway
Alameda, CA 94502
Phone: (510) 835-2777
Fax: (510) 835-0164

Director of Health Equity Programs

Contact: Nwe Oo (Health Equity Initiatives)
Alameda & Contra Costa County
1141 Harbor Bay Parkway
Alameda, CA 94502
Phone: 510-835-2777
Fax: 510-835-0164

East Contra Costa (Antioch)

Contact: Sue Denny (Clinical Services)
3727 Sunset Lane Suite 110
Antioch, CA 94509
Phone: (925) 778-1667
Fax: (925) 778-2679

Fiscal Director

Contact: Chen Yu
Alameda & Contra Costa County
1141 Harbor Bay Parkway
Oakland, CA 94502
Phone: 510-835-2777 ext 33
Fax: 510-835-0164

Executive Director

Contact: John Chung
Alameda & Contra Costa County
1141 Harbor Bay Parkway
Oakland, CA 94502
Phone: 510-835-2777
Fax: 510-835-0164

West Contra Costa (Richmond)

Contact: Sue Denny (Clinical Director), Myrna Arevalo (Clinical Supervisor), and Nwe Oo (Health Equity Initiatives)
207 37th Street
Richmond, CA 94805
Phone: (510) 233-7555
Fax: (510) 233-4545