Theodore Zwerdling, MD

Theodore Zwerdling, MD, is double board-certified in pediatrics and pediatric hematology/oncology and is practicing hematology/oncology at Jonathan Jaques Childrens Cancer Center at Miller Childrens Hospital Long Beach. He received his medical degree from the University of Cincinnati College of Medicine, and completed his residency in pediatrics at Cincinnati Childrens Hospital Medical Center. Additionally, he completed a pediatric hematology/oncology fellowship and a research fellowship, in the department of pathology, at Lucile Packard Children's Hospital at Stanford.

Dr. Zwerdling has been a hematologist/oncologist for several decades working at numerous hospitals including Lucile Packard Children's Hospital at Stanford, Cincinnati Childrens Hospital Medical Center, Kaiser Permanente Medical Group in Sacramento and most recently the University of California Davis (UC Davis) Medical Center. While at UC Davis, he served as the medial director of pediatric hematology/oncology.

Dr. Zwerdling has been awarded more than 20 research grants and has been a principal investigator for more than 10 research projects. He has presented his research to national and international audiences including the American Society of Pediatric Hematology/Oncology, the International Society of Pediatric Oncology and the International Annual Meeting of the American Society of Hematology. Dr. Zwerdling has written five abstracts, contributed chapters to several books and published nearly 30 articles in scholarly journals.

Since 1984, he has instructed at various medical schools including the University of Cincinnati College of Medicine, Stanford University School of Medicine, the University of California, Davis and most recently the University of Southern California. Throughout his career, he has been a member of numerous boards, committees and professional societies including the American Society of Hematology, the American Society of Pediatric Hematology/Oncology and the Children's Oncology Group among others.

This physician is a member of MemorialCare Physician Society which drives clinical outcomes and performance for MemorialCare Health System.


  • Oncology & Hematology - Pediatric


Medical Education
University of Cincinnati School of Medicine
Cincinnati Children's Hospital Medical Center
Lucile Packard Children’s Hospital at Stanford

MemorialCare Hospital Affiliations