Contact Us

National Blood Clot Alliance
PO Box 825687
Philadelphia, PA 19182-5687

Email: info@stoptheclot.org
Phone: 703.935.8845
Toll Free: 877.4.NO.CLOT

More Ways to Contact the National Blood Clot Alliance

Sign up for NBCA’s mailing list to receive news and updates concerning prevention, treatment, education and advocacy about blood clots and clotting disorders. Find out about NBCA-sponsored events and volunteer opportunities.

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Current News

NFL Player Partners with NBCA for ‘My Cause My Cleats’

Patriots Long Snapper Julian Ashby Honors Late Teammate Bryce Stanfield Through NFL’s “My Cause My Cleats,” Supporting the National Blood…

FDA Expands Approval of THROMBATE III® to Include Children With Hereditary Antithrombin Deficiency

Grifols announced yesterday that the U.S. Food and Drug Administration (FDA) has expanded approval of THROMBATE III® to include children…