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.

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

Current News

JANUARY E-NEWSLETTER: CONTINUING OUR WORK IN 2021

It’s a new year, but our mission remains the same. We’re looking forward to our continued work to increase awareness…

DECEMBER E-NEWSLETTER: WISHING YOU A HAPPY & HEALTHY HOLIDAY SEASON

This year has been a challenge, particularly in the face of the COVID-19 pandemic, and like so many others, you…