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

From Blood Clot Survivor to Super Bowl LX MVP: Kenneth Walker III

The National Blood Clot Alliance congratulates Kenneth Walker III and the entire Seattle Seahawks on an extraordinary achievement—winning Super Bowl…

Apply for the Jennifer Luft Emerging VTE Clinician Research Award

The Jennifer Luft Emerging VTE Clinician Research Award is named in memory of Jennifer Luft, who suffered from pulmonary emboli…