In This Section

Mohamed S. Alsammak, MD

Associate Professor, Clinical Pathology & Laboratory Medicine
Director, Blood Bank/Transfusion Medicine, Temple University Hospital

Mohamed Alsammak
For Patients
Contact Information

Contact Information


About Me

Clinical Interests

  • Transfusion medicine
  • Apheresis
  • Thrombotic thrombocytopenic purpura
  • Sickle cell disease/red cell exchange
  • Patient blood management
  • Hematopathology
  • Coagulation
Education, Training & Credentials

Educational Background

  • Fellowship, Special Coagulation, Mayo Clinic, Rochester, MN
  • Fellowship, Blood Bank / Transfusion Medicine, University of Texas Southwestern Medical Center, Dallas, TX
  • Fellow, Hematopathology, University of Wisconsin Hospital and Clinics, Madison, WI
  • Residency, Clinical Pathology, University of Wisconsin Hospital and Clinics, Madison, WI
  • Residency, Pathology, Salmaneya Medical Complex, Manama, Bahrain
  • Residency, Internal Medicine, Salmaneya Medical Complex, Manama, Bahrain
  • MD, Arabian Gulf University, College of Medicine and Medical Sciences, Manama, Bahrain


  • Clinical Pathology
  • Hematopathology
  • Blood Banking/Transfusion Medicine


  • American Society for Apheresis, Apheresis Physicians Committee
  • Fellow, College of American Pathologists
  • AABB (American Association of Blood Banks)

Honors & Awards

  • MD with Medal of Distinction, Arabian Gulf University
  • Competitive Scholarships for Medical School, Sponsored by The Ministry of Education in Bahrain


1. Alsammak MS, Ashrani AA, Winters JL, Pruthi PK. Therapeutic plasma exchange for perioperative management of patients with congenital factor XI deficiency. J Clin Apher. 2017;1-8.

2. Xiaofeng Zhao, MD, PHD, Edward J Yoon, MD, Massa Zantah, MD, Mohamed Alsammak, MD. Discoloration of Plasma Associated with Atovaquone in Therapeutic Plasma Exchange (Apheresis Illustrated). J Clin Apher. 2018;1–2.

3. Mohammad Faizan Zahid, Mohamed S. Alsammak. Spurious Thrombocytosis in the Setting of Hemolytic Anemia and Microcytosis Secondary to Extensive Burn Injury (letter to the editor). Turk J Hematol 2018;35:200-216. DOI: 10.4274/tjh.2017.0429

4. Tanhehco Y, Zantek N, Alsammak M, Chibber V, Li Y, Becker J, Wu DW, Foster T, Wehrli G. Vascular Access Practices for Therapeutic Apheresis: Results of a Survey. J Clin Apher. 2019;1–8.

5. Carro SE, Essex DW, Alsammak M, Bains A, Toyoda Y, Keshavamurthy S. Mediastinal Lymphoma Presenting in Cardiogenic Shock with Superior Vena Cava Syndrome in a Primigravida at Full Term: Salvage Resection after Prolonged Extracorporeal Life support (Case Report). Case Rep Oncol 2019;12:401–410 DOI: 10.1159/000499195 (On-line publication)

6. Olga Timofeeva, Rene Alvarez, Justin Pelberg, Edward Yoon, Mohamed Alsammak, Steven Geier, Christina Ruggia-Check, Jared Hassler, Jamael Hoosain, Meredith Brisco, Nana Afari-Armah, Val Rakita, Stacey Brann, Suresh Keshavamurphy, Jesus Gomez-Abraham, Kenji Minataka, Yoshiya Toyoda, Eman Hamad. Serum Dilutions as a Predictive Biomarker for Peri-Operative Desensitization: An Exploratory Approach to Transplanting Sensitized Heart Candidates. Transplant Immunology 60 (2020) 101274;

7. Yvette C. Tanhehco PhD MD, MS, Yanhua Li MD, MS, Nicole D. Zantek MD, PhD, Joanne Becker MD, Mohamed Alsammak MD, Kael Mikesell DO, Ding Wen Wu MD, PhD, Tisha Foster MD, Vishesh Chhibber MD, Marisa Saint Martin MD, Gay Wehrli MD, MBA, MSEd. Apheresis Physician Well‐Being During the COVID‐19 Pandemic: Results of a Survey. Transfusion 2021; 1-9. https://doi: 10.1111/trf.16340

8. Olga A Timofeeva, Jason Choe, Mohamed Alsammak, Edward J Yoon, Steve S Geier, Leena Mathew, Amanda McCollick, Kevin Carney, Jenny Au, Adam Diamond, Jonathan A Galli, Kartik Shenoy, Albert Mamary, Sameep Seghal, Patrick Mulhall, Yoshiya Toyoda, Norihisa Shigemura, Francis Cordova, Gerald Criner, James Brown. Guiding therapeutic plasma exchange for AMR treatment in lung transplant recipients. Transplant International 2021; 34: 700-708: DOI: 10.1111/tri.13825