CONTACT US

Corporate Headquarters

225 Binney Street
Cambridge, MA 02142
Phone: 781-464-2000

Biogen Support Services

Support Specialists at Biogen are committed to helping patients with relapsing MS get more information about TYSABRI.

To contact a Support Specialist, call our toll-free number:

1-800-456-2255
Monday – Friday, 8:30 AM–8:00 PM ET