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Office
111 Michigan Ave
Washington, DC 20010
Education & Training
- Emory University School of MedicineFellowship, Blood Banking/Transfusion Medicine, 2014 - 2015
- Emory UniverisityMSc, Clinical Research, 2013 - 2015
- Emory University School of MedicineFellowship, Pediatric Hematology/Oncology, 2011 - 2014
- Children's National HospitalResidency, Pediatrics, 2008 - 2011
- Washington University in St. Louis School of MedicineClass of 2008
Certifications & Licensure
- MD State Medical License 2020 - 2025
- DC State Medical License 2008 - 2024
- GA State Medical License 2011 - 2017
- VA State Medical License 2008 - 2009
- American Board of Pathology Blood Banking/Transfusion Medicine
- American Board of Pediatrics Pediatrics
- American Board of Pediatrics Pediatric Hematology-Oncology
Clinical Trials
- Hydroxyurea and Transfusion Start of enrollment: 2018 Oct 30
Publications & Presentations
PubMed
- Systemic Inflammatory Response Post Alemtuzumab and Low-Dose Total Body Irradiation in Pediatric Patients With Sickle Cell Disease: A Case Series.Rozalyn Chok, Katherine Girgulis, Robert S Nickel, Gregory M T Guilcher
Pediatric Blood & Cancer. 2025-02-01 - Sensitivity and Specificity of a Signaling Question for Surveillance of Cognitive Functioning in Pediatric Sickle Cell Disease.Steven J Hardy, Megan E Connolly, Sydney Forman, Robert S Nickel
Pediatric Blood & Cancer. 2025-01-12 - Adding hydroxyurea to chronic transfusion therapy for sickle cell anemia reduces transfusion burden.Robert Sheppard Nickel, Stefanie Margulies, Karuna Panchapakesan, Elizabeth Chorvinsky, Gustavo Nino
Transfusion. 2025-01-01
Press Mentions
- Rewriting the Script for Sickle Cell DiseaseDecember 27th, 2024
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