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Contact Us

Whether you are currently on therapy or making the decision to start treatment, getting answers to your multiple sclerosis (MS) questions is as easy as picking up the phone and calling 1.800.456.2255.

Our highly trained and knowledgeable MS ActiveSource support specialists are here to assist you with:

  • Insurance coverage research and verification
  • Financial assistance counseling
  • Therapy support services
  • Infusion or injection support and training
  • General MS information
  • And much more!

Get answers

Our MS support specialists are dedicated to providing up-to-date and reliable information and guidance. They can help you discover other MS resources that are specific to your needs.

MS ActiveSource support specialists are available during extended hours from 8:30 AM - 8:00 PM (ET), Monday through Friday, which means you can contact them from the privacy of your own home. The toll-free call and the services are confidential and completely free.

Call:

1.800.456.2255
8:30 AM - 8:00 PM (ET), Monday - Friday

Or Write:

MS ActiveSource
Biogen Idec
14 Cambridge Center
Cambridge, MA 02142

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  • My MS Memory Builder
  • My MS Calendar
  • My MS Logbook
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Call an MS Support Specialist: 1.800.456.2255

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