Caitlin Costello, MD, is a hematologist and medical oncologist who specializes in treating a variety of blood cancers at the Moores Cancer Center at the University of California, San Diego.

Her primary clinical interests include treating plasma cell disorders such as multiple myeloma, Waldenstrom's macroglobulinemia and systemic amyloidosis. Her research focuses on refining the management and treatment of these diseases. She is committed to conducting clinical trials for multiple myeloma with novel agents and regimens, with a goal to broaden therapeutic options and knowledge of this disease.  

Dr. Costello completed a fellowship in hematology-oncology with a focus in bone marrow transplantation at UC San Diego School of Medicine. She completed a residency in internal medicine at Weill Cornell Medical College, New York-Presbyterian Hospital. Dr. Costello earned her undergraduate degree at Harvard University and her medical degree at Tufts University School of Medicine in Boston. She is board certified in internal medicine and hematology.