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Corporate Headquarters

225 Binney Street
Cambridge, MA 02142

Phone: +1 781-464-2000

International Headquarters

Biogen International GmbH
Neuhofstrasse 30
6340 Baar

Phone: +41 41 39 21700

Find your local region or country

Biogen is present in more than 40 locations. Please find our contact information here.

Contact by Topic

Patient Inquiries

Alzheimer’s Support
Alzheimer’s Support Services

Postpartum Depression Support
(U.S. residents only)

Multiple Sclerosis Support
Biogen Support Services
(U.S. residents only)

SMA Support

This product support information is applicable to patients who have been prescribed Biogen therapies in the United States only.

For product support in countries outside of the U.S., please contact the Biogen affiliate in your country or email if your country is not represented.

Learn more about our clinical trials
Learn more about access to investigational therapies or expanded access programs (EAPs)

Safety Information

Your doctor should always be the primary resource regarding treatment options.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Media and Investors

Media Contacts

U.S. Corporate Affairs or Media Inquiries
+1 781-464-3260

EU Corporate Affairs or Media Inquiries

Investor Contact

Investor Relations
+1 781-464-2442

Visit our Investors page for financial information, reporting and news releases
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Partnership and Collaboration Inquiries

Partnerships and collaborations are critical to building our neuroscience innovation ecosystem. We welcome the opportunity to explore working with other innovators. 

If your company or institution would like to share a potential asset or platform technology for collaboration, please submit your opportunity through our Partnering Portal.

Medical Professionals

Biogen Medical Information
+1 866-MED-INFO (+1 866-633-4636)

Careers and Employment Verification

Please visit our Careers section to explore current job openings, or stay connected to relevant upcoming job postings by joining our talent community.

To obtain employment verification information for a current or former Biogen employee, see verification instructions (U.S. only).

Download Verification Instructions


If you wish to report any compliance concerns regarding Biogen or any of its employees or contractors, you may do so in writing at the address provided below or confidentially and anonymously, where permitted by local law, by using the Compliance Helpline. Complaints submitted in this manner will be forwarded directly to the Chair of the Audit Committee.

To submit a report in the U.S. and Canada through the Compliance Helpline, call us toll-free at 1-866-418-2859 (click here for international Compliance Helpline dial-in numbers). Please note BIOGEN® does not make and is not associated in any way with the product  “BIOGEN Keto ACV Gummies”  and will not be able to answer questions about this product.  BIOGEN® is a registered trademark of Biogen MA Inc.

Click here to submit a report online or write to us at:

Corporate Compliance
Biogen Inc.
225 Binney Street
Cambridge, MA 02142