Our contact information is as follows

Main phone number: 510-417-2210

Fax number:  510-275-9586

For all USPS mail:
WCCHD/Doctors Medical Center
PO Box 20760
El Sobrante, CA 94820

For all Fedex and UPS Deliveries:
WCCHD/Doctors Medical Center
2200 San Pablo Ave., Suite 201
Pinole, CA 94564