Genentech Access Solutions

1 DNA Way, Mail Stop #210
South San Francisco, CA 94080-4990
Phone: (866) 4 ACCESS / (866) 422-2377, 6am-5pm PST, Monday through Friday.
Main website:

General inquiries, comments and feedback including technical issues involving the Access Solutions websites can be emailed to Due to security concerns, we are unable to download or read email attachments. We will not accept email communication involving patient information.

For general Genentech contact information, please visit Genentech: Contact Us or