Contact Pfizer Customer Service

Monday through Friday 8:00 a.m. to 5:30 p.m. EST

Call

800-533-4535, option 4

Email

usrxcustomerservice@pfizer.com

Fax

800-741-4237

Payment inquiries

Pfizer Collections Support
888-284-8140
GFSAMER_SAPCollections@pfizer.com