Your blood donations save the lives of Cedars-Sinai patients from our community and around the world.

Our Blood Donor Services team knows how to make your experience as comfortable as possible and respects your time and compassion. We take that extra step to make sure blood donors receive the highest-quality experience possible.

Headshot for Ellen B. Klapper, MD

Ellen B. Klapper, MD

Pathology & Laboratory
Transfusion Medicine Point of Care Testing
Director Transfusion Medicine/Blood Bank
Professor Pathology and Laboratory Medicine

See a complete list of our expert physicians.

Recently donated blood? Please take the blood donor survey.

Have Questions or Need Help?

Call the Blood Donor Services team, Monday through Friday, 8 a.m.-5 p.m. Pacific Time (U.S.).