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

Leslie Lake, Volunteer President of the National Blood Clot Alliance, standing with U.S. Senator Lisa Blunt Rochester as she holds NBCA's Blood Clot Advocate Award.

National Blood Clot Alliance Applauds Senator Blunt Rochester’s Call for NFL Blood Clot Protocols; Urges Congress to Fund National Blood Clot Education and Awareness Program

U.S. Senator Lisa Blunt Rochester is calling for an investigation into the NFL's blood clot protocols, raising important questions about player safety, prevention, and medical oversight. The National Blood Clot Alliance weighs in on the need for greater awareness and stronger protections for athletes.
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Jalen Hurts seated at a press event, wearing a white shirt, brown plaid vest, and patterned tie, with a microphone positioned in front of him.

NATIONAL BLOOD CLOT ALLIANCE ADDRESSES QUESTIONS RAISED BY REPORTS ABOUT JALEN HURTS

As Public Interest Grows, the National Blood Clot Alliance Separates Blood Clot Fact From Fiction PHILADELPHIA, PA, UNITED STATES, October…
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