Cassandra D. Josephson MD
Pediatric Anemia and Red Blood Cell Hematology, Pediatric Coagulation Disorder Hematology
Professor, Oncology Johns Hopkins School of Medicine Hawkins Family Endowed Professorship Director, Cancer and Blood Disorders Institute Director, Blood Bank and Transfusion Medicine Johns Hopkins Children’s Hospital, St. Petersburg, FL Adjunct Professor, Pathology/Laboratory Medicine Emory University School of Medicine
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600 Fifth St SSaint Petersburg, FL 33701
Phone+1 727-767-7209
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Summary
- Cassandra Josephson, MD is a Pediatric Hematology and Oncology specialist based in Saint Petersburg, FL. She has subspecialties in Pediatric Anemia and Red Blood Cell Hematology, as well as Pediatric Coagulation Disorder Hematology. Dr. Josephson completed her residency in pediatrics at the University of Colorado and two fellowships at Emory University School of Medicine focusing on Blood Banking/Transfusion Medicine and Pediatric Hematology/Oncology. She has extensive experience handling cases related to cytomegalovirus, transfusion reactions, hematopoietic stem cell transplantation, platelet transfusion, and anemias. Dr. Josephson has also contributed significantly to her field with several publications and clinical trials.
Education & Training
Emory University School of MedicineFellowship, Blood Banking/Transfusion Medicine, 2002 - 2003- Emory University School of MedicineFellowship, Pediatric Hematology/Oncology, 1999 - 2002
University of ColoradoResidency, Pediatrics, 1996 - 1999
University of South Florida College of MedicineClass of 1996
Certifications & Licensure
FL State Medical License 2022 - 2026
GA State Medical License 1999 - 2023
American Board of Pathology Blood Banking/Transfusion Medicine
American Board of Pediatrics Pediatric Hematology-Oncology
Clinical Trials
- Rituximab to Treat Severe Hemophilia A Start of enrollment: 2006 Jun 01
- Evaluating the Presence of Blood Clots in People With Heparin-Induced Thrombocytopenia (HIT) (The HOT Study) Start of enrollment: 2008 Jan 01
- Safety and Effectiveness of Granulocyte Transfusions in Resolving Infection in People With Neutropenia (The RING Study) Start of enrollment: 2008 Apr 01
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Publications & Presentations
PubMed
- Hemoglobin Richmond Masquerading as Fetal Hemoglobin in a Child With Sickle Cell Disease: A Case Report and Review of the Literature.Jordyn Hollander, Dominique Tran, Jennifer Jones, Dawn Gates, Carrie Gann
Pediatric Blood & Cancer. 2025-04-14 - Therapeutic plasma exchange for fibrinogen-associated hyperviscosity: results of the COVID-19 PLasma EXchange (COPLEX) randomized controlled trial.Cheryl L Maier, Hirotomo Nakahara, Nicholas A Barker, Sara C Auld, Alexander D Truong
Journal of Thrombosis and Haemostasis. 2025-04-01 - Analysis of time to death for children with life-threatening hemorrhage from traumatic, surgical, and medical etiologies.Rachel P Vaizer, Christine M Leeper, Liling Lu, Cassandra D Josephson, Julie C Leonard
Transfusion. 2025-03-23
Abstracts/Posters
- Severity of Thrombocytopenia at the Time of Platelet Transfusion Influences Post-Transfusion Platelet Kinetics and the Effects of Platelets on Plasma Cytokines in a Mo...Cassandra D Josephson, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/7/2019
- Associated Co-Morbidities, Healthcare Utilization, and Mortality in Hospitalized Children and Adults with Hemophilia in the United States: Updated Nationally Represent...Cassandra D Josephson, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/9/2019
Press Mentions
- Female Blood Donors Linked to Better Outcomes for Transfused Preterm InfantsSeptember 3rd, 2021
FDA Approvals Strengthen Octapharma USA Pediatric Critical Care Product PortfolioMarch 29th, 2021
Evidence Lags Behind Excitement over Blood Plasma as a Coronavirus TreatmentAugust 19th, 2020- Join now to see all
Grant Support
- Impact of Anemia and Its Treatment on Gut Injury in Preterm InfantsJOHNS HOPKINS UNIVERSITY2023–2025
- Impact of Anemia and Its Treatment on Gut Injury in Preterm InfantsJOHNS HOPKINS UNIVERSITY2023–2025
- Pediatric Transfusion Medicine Academic Career AwardNational Heart, Lung, And Blood Institute2007–2011
- Transfusion Medicine/Hemostasis Clinical Trails NetworkNational Heart, Lung, And Blood Institute2009
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