Transfusion Medicine Laboratory
Division of Transfusion Medicine
Johns Hopkins Medicine
Department of Pathology
1800 Orleans Street
Sheikh Zayed Tower 3100
Baltimore MD 21287
Phone: 410-955-6580 (The Transfusion Medicine Laboratory operates 24 hours a day)
Office Phone: 410-955-6583 (Normal business hours are Monday - Friday 8:00am-3:00pm)
Immunogenetics Laboratory
Immunogenetics Laboratory
Johns Hopkins Medicine
Department of Pathology
2041 East Monument Street
Baltimore MD 21205-2222
Phone: 410-955-3600
Email: hla@jhmi.edu
Hemapheresis and Transfusion Support (HATS)
Hemapheresis and Transfusion Support (HATS) Clinic: 410-955-1717
Hemapheresis and Transfusion Support (HATS) Scheduling: 410-955-6347
Employment Opportunities
Please visit our career site for additional opportunities.
Transfusion Medicine Division Director
Aaron A. R. Tobian, M.D., Ph.D.
Professor of Pathology, Medicine, Oncology, and Epidemiology
Director of Transfusion Medicine Division
Deputy Director for Clinical Affairs, Department of Pathology
Johns Hopkins School of Medicine
Department of Pathology
600 N. Wolfe Street
Carnegie 437
Baltimore MD 21287
atobian@jhmi.edu
Transfusion Medicine Laboratory Medical Director
Elizabeth P. Crowe, M.D., Ph.D.
Assistant Professor of Pathology
Medical Director of the Transfusion Medicine Laboratory
Johns Hopkins School of Medicine
Department of Pathology
1800 Orleans Street
Sheikh Zayed Tower 3100
Baltimore MD 21287
ecrowe3@jhmi.edu
Immunogenetics Laboratory Director
Maria Bettinotti, Ph.D., FACHI, FACMGG
Associate Professor of Pathology
Director of the Immunogenetics Laboratory
Johns Hopkins School of Medicine
Department of Pathology
2041 East Monument Street
Baltimore MD 21205-2222
mbettinotti@jhmi.edu
Hemapheresis and Transfusion Support Medical Director
Evan M. Bloch, M.B.Ch.B., M.S.
Associate Professor of Pathology
Medical Director of Hemapheresis and Transfusion Support (HATS)
Associate Director of Transfusion Medicine
Johns Hopkins School of Medicine
600 N. Wolfe Street
Carnegie 446
Baltimore MD 21287
ebloch2@jhmi.edu
Aaron A. R. Tobian, M.D., Ph.D.
Professor of Pathology, Medicine, Oncology, and Epidemiology
Director of Transfusion Medicine Division
Deputy Director for Clinical Affairs, Department of Pathology
Johns Hopkins School of Medicine
Department of Pathology
600 N. Wolfe Street
Carnegie 437
Baltimore MD 21287
atobian@jhmi.edu
Elizabeth P. Crowe, M.D., Ph.D.
Assistant Professor of Pathology
Medical Director of the Transfusion Medicine Laboratory
Johns Hopkins School of Medicine
Department of Pathology
1800 Orleans Street
Sheikh Zayed Tower 3100
Baltimore MD 21287
ecrowe3@jhmi.edu
Maria Bettinotti, Ph.D., FACHI, FACMGG
Associate Professor of Pathology
Director of the Immunogenetics Laboratory
Johns Hopkins School of Medicine
Department of Pathology
2041 East Monument Street
Baltimore MD 21205-2222
mbettinotti@jhmi.edu
Evan M. Bloch, M.B.Ch.B., M.S.
Associate Professor of Pathology
Medical Director of Hemapheresis and Transfusion Support (HATS)
Associate Director of Transfusion Medicine
Johns Hopkins School of Medicine
600 N. Wolfe Street
Carnegie 446
Baltimore MD 21287
ebloch2@jhmi.edu