Focused on Delivering High Quality Products and Service

Customer Service

On May 7, 2018, Impax Laboratories, Inc. combined with Amneal Pharmaceuticals, Inc. (NYSE:AMRX) to create a dynamic company powered by a robust U.S. generics business and growing branded franchise. Today, we are working to integrate our business into the new Amneal and are excited about our future as one company.

In the meantime, there is no change to how you interact with us. This section provides information to our wholesale and retail customers in the United States.

For customer service-related issues, including status confirmation of a current order or backorder, product return form, procedures for return goods, or information on a shipment, contact:

Customer Service at (215) 558-4300

For all other inquiries, contact a member of Impax’s corporate trade team:

Italo Pennella
Trade Account Manager
Impax Specialty Pharma
A Division of Impax Laboratories, Inc.
31047 Genstar Road
Hayward, CA 94544
Phone: (480) 219-9989

Medical Information

For scientific, technical information or to report an adverse event or product quality complaint, please contact:

31047 Genstar Road
Hayward, CA 94544
Attention: Medical Affairs
Phone: (877) 99-Impax (46729), option 2

Follow the link below for the Impax Adverse Event and Product Complaint Report Form: