Phone
Customer Service
1-800-423-2090

7:00 am - 6:00 pm (Central Time)*
*Emergency Orders accepted 24 hours/day, 7 days/week.

Fax
1-800-756-4952

Mailing Address
Baxter Healthcare Corporation
One Baxter Parkway
Deerfield, Illinois 60015
Attention: Customer Services

Email
immunedisease@baxter.com