Amrom Obstfeld, MD, PhD

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Amrom Obstfeld, MD, PhD, is Assistant Director of the Hematology and Coagulation Laboratories at Children's Hospital of Philadelphia and a member of the DBHi faculty.

Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - College of Physicians and Surgeons, Columbia University


Pathology - Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA

Board Certification

Anatomic Pathology

Graduate Degree

PhD in Physiology - Columbia University, New York, NY

Titles and Academic Titles

Assistant Director, Hematology and Coagulation Laboratories

Faculty, DBHi

Assistant Professor of Clinical Pathology and Laboratory Medicine, Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania School of Medicine

Departments and Services




8. Bhoj VG, Arhontoulis D, Wertheim G, Capobianchi J, Callahan CA, Ellebrecht CT, Obstfeld AE, Lacey SF, Melenhorst JJ, Nazimuddin F, Hwang WT, Maude SL, Wasik MA, Bagg A, Schuster S, Feldman MD, Porter DL, Grupp SA, June CH, Milone MC. Persistence of long-lived plasma cells and humoral immunity in individuals responding to CD19-directed CAR T-cell therapy. Blood. 2016 Jul 21;128(3):360-70. PMID: 27166358

Cedeno-Laurent F, Obstfeld AE, Boni A, Lipoff J B. Lupus-like eruption as the presenting sign of acute myeloblastic leukemia. 2016 Mar;25(3):312-4. PMID: 26466615


Meykler S, Obstfeld A, Jhala N, Vergara N, Gupta PK. Pleural mass forming extramedullary hematopoiesis masquerading as a malignant neoplasm. Diagnostic cytopathology 43(12): 996-9, Dec 2015. PMID: 26303071.



Obstfeld AE, Raess PW, Master SR, Bagg A: Comparison of Applied Machine Learning Tools for The Prediction Of Myelodysplastic Syndromes Using Complete Blood Count Parameters. Association for Pathology Informatics Annual Meeting 2016.

Obstfeld AE, Lim D, Lambert MP, Paessler M. Utility of Extended Reticulocyte Indices in the Diagnosis of Parvovirus Infection Induced Red Cell Aplasia in Sickle Cell Disease. Annual Meeting of the International Society of Laboratory Hematology 2016.

Obstfeld AE, Raess PW, Master SR, Bagg A: Predictive capacity of complete blood count and cell population data parameters in in the diagnosis of myelodysplastic syndromes. 5th International Conference on Myelodysplastic Syndromes 2016.

Mehr C, Obstfeld A, LiVolsi V, Furth E, Litzky L, Montone K and Schwartz L.,: The Creation and Implementation of a Points-Based System for Distributing Specimens to Residents at a Tertiary Care Academic Residency Program. The United States and Canadian Academy of Pathology National Meeting 2016.


Mehr C, Obstfeld A, LiVolsi V, Furth E, Litzky L, Montone K and Schwartz L.: Optimizing Specimen Distribution for Residency Training in Sub-Speciality Based Surgical Pathology Rotation in a Tertiary Care Academic Center. American Society of Clinical Pathology 2015.

Obstfeld AE, Meykler S, Jhala N, Vergara N. Significance of Extramedullary Hematopoiesis in Non-Hepatosplenic Sites. USCAP National Meeting; Boston, Massachusetts, 2015. 


Frey NV, Levine BL, Lacey SF, Grupp SA, Maude SL, Schuster SJ, Shaw P, Hwang WT, Wasik MA, Obstfeld AE, Leung M, Shen A, Ericson SG, Melenhorst JJ, June CH, Porter D. Refractory Cytokine Release Syndrome in Recipients of Chimeric Antigen Receptor (CAR) T Cells. American Society of Hematology Annual Meeting and Exposition; San Francisco, California, 2014.

Awards and Honors

2016, Penn Institute of Biomedical Informatics Junior Faculty Travel Award
2015, Leonard Berwick Resident Teaching Award
2012, Doctor Harold Lee Meierhof Memorial Prize for outstanding achievement in Pathology, Columbia University
2010, Student Research Day MD/PhD Award, Columbia University
2008, Immunology Retreat 2nd Place Poster Prize, Columbia University 
2007, MD/PhD Symposium Award, Columbia University
2003, Magna Cum Laude, University of Pennsylvania

Editorial and Academic Positions

Institutional and Academic Committees

2013-present, Institutional Review Board, University of Pennsylvania, Member