Debra L. Callahan MD

Northwest Pathology
Debra L. Callahan MD


Debra Callahan, MD is a board-certified clinical pathologist and transfusion specialist, who joined our team in August 2017. 

Patient Care Philosophy

  • Use the best available laboratory testing procedures
  • Provide diagnostic clarity and accuracy
  • Encourage excellence among laboratory testing and support personnel
  • Remain an integrated member of the healthcare team by participating in medical staff governance and maintaining close contact with clinical colleagues

Scope of Care

  • Clinical Pathology, including Transfusion Medicine


  • Doctor of Medicine, Ohio State University College of Medicine
  • Bachelor of Science in Zoology, Ohio State University 

Internship & Residency

  • University of Pittsburgh Medical Center, Anatomic and Clinical Pathology
  • Ohio State University Medical Center, Anatomic and Clinical Pathology
  • Fellowship: William Beaumont Hospital, Blood Banking and Transfusion Medicine


  • Certified by the American Board of Pathology in Clinical Pathology and in Blood Banking and Transfusion Medicine
3614 Meridian Street, Suite 100; Bellingham, WA 98225