John Rider Hess M.D., M.P.H. Accepting new patients

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Hematology, Laboratory medicine




John Rider Hess, M.D., M.P.H. is a board certified physician, medical director of the Transfusion Service at Harborview Medical Center and a UW professor of Laboratory Medicine and Hematology.

Dr. Hess especially likes to work on behalf of patients who are critically ill. The Transfusion Service Laboratory uses science and public health considerations to provide the most appropriate blood products for such patients.

Dr. Hess earned his M.D. from the UW and his M.P.H. from the University of Hawaii. He is a fellow of the American College of Physicians and the American Association for the Advancement of Science and has multiple board certifications: Internal Medicine, Hematology, Oncology, Blood Banking and Transfusion Medicine and General Preventive Medicine and Public Health. He conducts research on better ways to use blood products through grants from the National Heart, Lung, and Blood Institute.

Personal Interests

In his free time Dr. Hess enjoys jogging, backpacking, history and photography.

Pathology at Harborview

325 9th Ave. Seattle, WA 98104


General neurology, Medical dermatology, Pathology

University of Hawaii

Master Public Health, 1979

Univ. of Washington

Medical education, 1972

Fitzsimons Army Medical Center

Fellowship, Hematology/Oncology

University of Pittsburgh Medical Center

Internship, Internal Medicine

Tripler Army Medical Center

Residency, Internal Medicine


Board Certifications
  • Blood Bank/Transfusion Med., 1994, American Board of Pathology
  • Preventive Medicine, 1985, American Board of Preventive Medicine
  • Medical Oncology, 1985, American Board of Internal Medicine
  • Hematology (Int Med), 1984, American Board of Internal Medicine
  • Internal Medicine, 1977, American Board of Internal Medicine