Contact
Corporate Headquarters
Amgen Inc.
One Amgen Center Drive
Thousand Oaks, CA 91320-1799
Phone: +1 805-447-1000
Amgen Worldwide Locations
Medical Information
For Amgen:
Phone: +1 800-77-AMGEN (+1 800-772-6436)
Monday - Friday, 8:00 AM - 8:00 PM ET
Click here to reach the Amgen medical information group.