Quickly find business customer service phone numbers

All KANJINTI support phone numbers are listed below, including customer service phone number(s), Complaints/ Feedback (Report side effects to Amgen) support phone number(s), Complaints/ Feedback (Report side effects to the FDA) support phone number(s), support phone number(s), etc. You can also get KANJINTI support via email, social networks, help center, or directly check all the customer service contacts of KANJINTI.
Customer Service number
(Amgen Assist360)
+1 888 427 7478
Customer Service number
(Amgen FIRSTSTEP)
+1 888 657 8371
[Complaints/ Feedback] support phone number
(Report side effects to Amgen)
+1 800 772 6436
[Complaints/ Feedback] support phone number
(Report side effects to the FDA)
+1 800 332 1088

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