Contact Us
Our South San Francisco campus, the birthplace of biotechnology.
For Questions About Our Medicines
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Report an Adverse Event
Phone: (888) 835-2555
Hours: 24 hrs/day, 7 days/weekMail: Genentech US Drug Safety
1 DNA Way Mailstop 258A
South San Francisco, CA 94080Fax: (650) 225-4630
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Report a Product Complaint
Phone: (800) 334-0290
Hours: Monday - Friday, 5am - 5pm PT -
Medical Communications
Phone: (800) 821-8590
Hours: Monday - Friday, 5am - 5pm PT -
Clinical Trial Information
Phone: (888) 662-6728
Hours: Monday - Friday, 5am - 5pm PT -
Compassionate Use Information
Phone: (844) 287-3783 (CU-REQUEST)
Hours: Monday - Friday, 5am - 5pm PT
