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Genentech’s commitment to clinical innovation includes healthcare community support. Use the links below to contact us, submit medical questions, and report adverse events or product complaints.

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Report an Adverse Event

Phone: (888) 835-2555

Fax: (650) 225-4630
Hours: 24 hrs/day, 7 days/week

Genentech US Drug Safety
1 DNA Way Mailstop 258A
South San Francisco, CA 94080

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Report a Product Complaint

Report a product quality issue or abnormality that may be introduced during the manufacturing, labeling, packaging, shipping, handling, or storage of products.

Phone: (800) 334-0290

Hours: Monday - Friday, 5am - 5pm PT

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Connect with Genentech Medical