Contact Us

National Blood Clot Alliance
267 Kentlands Boulevard, #2025
Gaithersburg, MD 20878

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.

You can also connect with NBCA on Facebook, Twitter, Instagram and Pinterest.

Current News

JANUARY E-NEWSLETTER | SHARE TO STOP THE CLOT® AND SAVE LIVES

It’s a new year, and new decade, and we’re looking forward to your continued support of our crucial work to…

DECEMBER E-NEWSLETTER | SEASON’S GREETINGS FROM NBCA

This past year gave way to many shining moments for the National Blood Clot Alliance (NBCA), as we expanded several…