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Phone: 800-275-6401
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To schedule an appointment

Physicians call:1.800.332.8901
Patients call:1.800.275.6401

This physician sees patients at the following locations:

Hematology Oncology Elysburg
436 W Valley Ave
Elysburg, PA 17824
Hematology Oncology Knapper Clinic Danville
100 N Academy Ave
Danville, PA 17822

Edward John Gorak II, DO, MS
Co-Director, Bone Marrow Transplant Program
Director, Hematology Malignancy, Geisinger Medical Center

Practicing Specialties:

  • Hematology, Board Certified, 2004
  • Medical Oncology, Board Certified, 2003
  • Bone Marrow Transplantation


  • U. of New England, College of Osteopathic Medicine 1995


  • Tripler Army Medical Center 1998


  • Walter Reed Army Medical Center 2003

Clinical Interests:

Lymphoma, leukemia, blood cancers, bone marrow transplantation, bone marrow failure, anemia’s, bleeding disorders, clotting disorders, research. Dr. Gorak performs  autologous and allogeneic bone marrow transplants for leukemia, lymphoma, multiple myeloma, myelodysplastic syndromes and bone marrow failure syndromes. He is the principle investigator of the Geisinger Cancer Oncology Program. 


Related Interests:

Research: Principal Investigator, Geisinger Clinical Oncology Program, Eastern Cooperative Oncology Group

Professional Memberships:

  • American College of Physicians - Fellow
  • American Socieity of Bone Marrow Transplantation
  • American Society of Clinical Oncology
  • American Society of Hematology
  • Pennsylvania Osteopathic Medical Association

Hospital Affiliations:

  • Geisinger Medical Center
  • Geisinger Wyoming Valley Medical Center