Director, Adolescent and Young Adult (AYA) Service
Attending Physician; Hematology, Oncology and Blood and Marrow Transplantation
Assistant Professor of Clinical Pediatrics, Keck School of Medicine of USC
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Dr. Stefanie Thomas is a pediatric oncologist who specializes in adolescent and young adult oncology and solid tumors in children and adolescents. She received her M.D. degree from Northeast Ohio Medical University in Rootstown, Ohio and her B.S. from Youngstown State University. She completed her pediatric residency and fellowship training at Cleveland Clinic Children’s. Following her initial training, she completed a fourth year of fellowship training in adolescent and young adult oncology at Children's Hospital Los Angeles and University of Southern California Norris Cancer Center. She stayed on to serve as Assistant Professor of Clinical Pediatrics in the Division of Hematology, Oncology, and Blood and Marrow Transplantation.

Dr. Thomas’s research focus is in adolescent and young adult oncology and medical ethics, specifically in barriers and facilitators to clinical trial enrollment for adolescents and young adults with cancer.

Clinical Interests

Bone and Soft Tissue Sarcoma, Leukemia and Lymphoma, Adolescent and Young Adult Oncology


Medical School: 

Northeast Ohio Medical University


Cleveland Clinic Children's- Pediatrics


Cleveland Clinic Children's- Pediatrics


Cleveland Clinic Children's- Pediatric Hematology/Oncology

Children's Hospital Los Angeles - Adolescent and Young Adult Oncology



American Board of Pediatrics (General Pediatrics)

Professional Memberships: 

American Society of Pediatric Hematology/Oncology, Children’s Oncology Group, American Society of Clinical Oncology


Adolescent Medicine Resident of the Year, Cleveland Clinic Children's, 2010


Thomas SM, Ford P, Weise K, Worley S, Kodish E. Not just little adults: A review of 102 paediatric ethics consultations. Acta Paediatr. 2015 May;104(5):529-34. doi: 10.1111/apa.12940. Epub 2015 Feb 19. PMID: 25611088

Research Interests: 

Adolescent and Young Adult Oncology Clinical Trial Enrollment and Decision-Making

Biomedical Ethics relating to Pediatric Oncology

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