
John Leonard Reagan MD
Assistant Professor of Medicine,The Warren Alpert Medical School of Brown University, Division of Hematology/Oncology, Rhode Island Hospital/The Miriam Hospital
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593 Eddy StGeorge Bldg 3RD FL 302Providence, RI 02903
Phone+1 401-444-5435
Fax+1 401-444-5392
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Summary
- I am a hematologist/oncologist whose primary research interest is in leukemia, myelodysplasia, and myeloproliferative disorders. My current research focus is on immune system manipulations for therapeutic effects in patients with relapsed and refractory blood cancers.
In the clinic, I see patients with both malignant and non-malignant blood disorders.
Education & Training
Rhode Island Hospital/Brown University HealthFellowship, Hematology and Medical Oncology, 2010 - 2013
Rhode Island Hospital/Brown University HealthChief Residency, Internal Medicine, 2009 - 2010
Rhode Island Hospital/Brown University HealthResidency, Internal Medicine, 2007 - 2009
Rhode Island Hospital/Brown University HealthInternship, Internal Medicine, 2006 - 2007
SUNY Upstate Medical UniversityClass of 2006
Certifications & Licensure
RI State Medical License 2006 - 2026
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Hematology
American Board of Internal Medicine Medical Oncology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification Cloverleaf Integration Suite, Infor (US), Inc., 2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EHR Suite, Epic Systems Corporation, 2017
Publications & Presentations
PubMed
- 1 citationsHiJAKing the hematopoietic system: a low-frequency JAK2V617F clone drives myeloproliferative neoplasm pathology.Dennis M Bonal, Alissa Oakes, Anna Chorzalska, Makayla Pardo, Max Petersen
Blood. 2025-11-13 - Coexisting Collagenous Sprue and Celiac Disease: A Case Report.Tyler M Selig, Ayesha Siddique, John L Reagan, Edward R Feller, Samir A Shah
Case Reports in Gastroenterology. 2025-04-02 - 6 citationsShared Local Oncology Care After Allogeneic Hematopoietic Cell Transplantation: A Randomized Clinical Trial.Gregory A Abel, Haesook T Kim, Ira Zackon, Edwin T Alyea, Alexandra S Bailey
JAMA Oncology. 2025-03-01
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