National Blood Clot Alliance

8321 Old Courthouse Road,
Suite 255
Vienna, VA


About National Blood Clot Alliance

The National Blood Clot Alliance (NBCA) formerly known as the National Alliance for Thrombosis and Thrombophilia is a nationwide, community-based, voluntary health organization committed to prevention and treatment of the major health problems caused by blood clots. NBCA’s goal is to ensure that those affected by thrombosis and thrombophilia receive early diagnosis, proper treatment, and quality support. NBCA also supports research, education, and advocacy on behalf of affected individuals and their families.