Contact Us

Have a question or comment? Please complete and submit the form below.

To contact the ASH Customer Relations Department by phone, please call 866-828-1231 (U.S. toll free) or 001-202-776-0544 (for International callers), Monday through Friday from 8:30 a.m. to 5:00 p.m. Eastern time.

Please note: ASH cannot answer specific medical questions, make referrals, or provide consultation. To find a blood specialist, please use our Find a Hematologist resource.