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

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Protected: March is Blood Clot Awareness Month

March is Blood Clot Awareness Month (BCAM), a time dedicated to spreading the word about blood clots and their potentially…
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Heather Beissel

Meet the Recepients of the 2024 NBCA Community Thrombassador Awards

On January 18, 2025, NBCA Community Thrombassadors – a network of patients and caregivers trained to spread blood clot education,…
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