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Contact Us

Contact Us

Have a question, comment, or need to reset your ASH username or password? Please complete and submit the form below.

To contact the ASH Customer Service by phone, please call 866-828-1231 (U.S. toll free) or 001-202-776-0544 (for International callers), Monday through Friday from 9:00 a.m. to 5:00 p.m. Eastern time.

To address the needs of those attending the all-virtual 2021 Highlights of ASH, ASH is pleased to offer the following extended customer service options:

  • Technical support for the meeting platform: Technical Support Online Form
  • Registration support (individuals or groups): highlightsofash@spargoinc.com
  • ASH Customer Service representatives will be available by email (customerservice@hematology.org) and telephone (see above) from March 1 through April 2 during extended times on the dates listed below:
    • March 3, 11, 24, and 31: 9:00 a.m. – 7:00 p.m. Eastern time
    • March 4, 9, and 10: 9:00 a.m. – 8:00 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.