Contact Us

If your question is about a medical condition, consult a healthcare professional or, in the case of an emergency, call 911 immediately.
Standard business hours for CSL Behring are 8:30 AM to 5:00 PM Eastern Time.

  • Phone: 610-878-4000
  • Fax: 610-878-4009
  • Address: CSL Behring
  • P.O. Box 61501
  • 1020 First Avenue
  • King of Prussia, PA 19406 USA
If you are interested in purchasing Human Serum Albumin (HSA) for excipient use, click here.