Quickly find business customer service phone numbers

 Customer Service Number [Neulasta]:

Customer Service number
(Toll- Free)
+1 844 696 3852
Customer Service number
(Amgen FIRSTSTEP)
+1 888 657 8371
Customer Service number
(Amgen Assist360)
+1 888 427 7478
[Complaints/ Feedback] contact number
(Report negative side effects to the FDA)
+1 800 332 1088
[Complaints/ Feedback] contact number
(Report side effects to Amgen)
+1 800 772 6436

 Support Email(s) [Neulasta]:

[Legal] contact email
(Privacy Inquiries)

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