Contact Eisai Customer Service
Eisai Phone Numbers and Emails
Toll-Free Number:
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(833) 746-2910US Privacy Inquiries
Customer Service:
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(201) 692-1100Eisai Inc.
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(857) 829-6100Eisai Inc. / Eisai Center for Genetics Guided Dementia Discovery (G2D2)
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(610) 423-6100Eisai Inc. / Exton Site
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
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)
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