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Contact Eisai Customer Service

Eisai Phone Numbers and Emails

Toll-Free Number:

  • (833) 746-2910
    US Privacy Inquiries
Call customer service
Send Message

Customer Service:

  • (201) 692-1100
    Eisai Inc.
  • (857) 829-6100
    Eisai Inc. / Eisai Center for Genetics Guided Dementia Discovery (G2D2)
  • (610) 423-6100
    Eisai Inc. / Exton Site
  • +6 139 832 9100
    Eisai Australia Pty. Ltd. and Eisai New Zealand Ltd.
  • +44 208 600 1400
    Eisai Europe Ltd.
  • +1 905 361 7130
    Eisai Limited

Headquarters:

  • +8 133 817 3700

Eisai Emails:

Customer Service
Australia, Europe, For any medical information enquiries - Australia, For any medical information enquiries - New Zealand, New Zealand, To report an adverse event or side effect - Australia, To report an adverse event or side effect - New Zealand
Legal
Privacy Inquiries - Canada, US Privacy Inquiries
Media
Is this your business?
PissedConsumer Club

Contact Information

Eisai Website:

Eisai Help Center:

Corporate Office Address:

Eisai Co., Ltd.
4-6-10 Koishikawa
Bunkyo-Ku, Tokyo 112-8088
Japan

Other Info (opening hours):

Business Hours:

Monday - Friday: 9:00am - 5:00pm (JST)

More contact details

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