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Contact Neulasta Customer Service

Neulasta Phone Numbers and Emails

Toll-Free Number:

  • (844) 696-3852
    Toll- Free
Call customer service

Customer Service:

  • (888) 427-7478
    Amgen Assist360
  • (888) 657-8371
    Amgen FIRSTSTEP

Complaints/ Feedback:

  • (800) 332-1088
    Report negative side effects to the FDA
  • (800) 772-6436
    Report side effects to Amgen

Neulasta Email:

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Contact Information

Neulasta Website:

Neulasta Help Center:

Corporate Office Address:

Amgen Inc
One Amgen Center Drive
Thousand Oaks, California 91320-1799
United States

Other Info (opening hours):

Hours:

Monday - Friday: 09:00 - 20:00 (ET)


Amgen Assist360

PO Box 220354

Charlotte, NC 28222-0354

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