Biogen Direct
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Customer Service

5025 Plano Parkway
Carrollton, TX  75010




Welcome to BiogenDirect

BiogenDirect is your portal for access to Tecfidera® (dimethyl fumarate) and PLEGRIDY® (peginterferon beta-1a). You can count on BiogenDirect to provide    helpful customer service, with a team dedicated to take your call. Ordering product is quick and easy, allowing you to focus your time on your customers and their needs.

If you would like to speak with a Customer Service representative, please call
1-855-706-8346. If you would like more information about TECFIDERA, please visit If you would like more information about PLEGRIDY, please visit



Customer Service Hours

Monday - Friday
7:30 AM - 7:00 PM Central Time

Online Hours

For your convenience, orders can be submitted online 24 hours a day.

Holiday Hours

Thanksgiving Day
November 28-29, 2019

Christmas Day
December 25, 2019

New Year's Day
January 1, 2020

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