Mackenzie R. CookM.D.

  • Assistant Professor of Surgery
  • Assistant Professor of Surgery, Division of Trauma, Critical Care and Acute Care Surgery, School of Medicine


  • Surgery

Special focus on

  • Critical Care

I see patients at


Dr. Mackenzie Cook is a trauma surgeon within the division of Trauma, Critical Care and Acute Care Surgery with an additional clinical focus on advanced Extracorporal Membrane Oxygenation (ECMO) management and transport as well as surgical stabilization of rib fractures.  He is the medical student clerkship director and has a strong research interest in surgical education.  His clinical research focuses on the long term outcomes after injury and approaches to optimize recovery after traumatic injury.

Dr. Cook was born in Pittsburgh and grew up in a small town in Connecticut. He attended college at Cornell University in Ithaca, NY and then spent a year backpacking and skiing in Utah before attending medical school at Duke University in Durham, NC. He spent his dedicated research year in medical school at the University of Wisconsin in the endocrine surgery lab as a Howard Hughes medical scholar. He then headed west for residency at OHSU, graduating in 2016 from the general surgery residency program. Following residency, Dr. Cook completed a surgical critical care fellowship at Harborview Medical Center in Seattle, WA in 2017.

Dr. Cook lives in Portland with his wife Crystal, their three kids and two rambunctious dogs. Avid hikers, skiers and climbers, the Cook family is happy to call Portland home.


  • B.A., 2005, Cornell University
  • M.D., 2010, Duke University
  • Residency:

    • General Surgery, OHSU, Portland, OR, 2010-2016
  • Fellowship:

    • Surgical Critical Care, Harborview Medical Center, University of Washington, Seattle, 2016-2017
  • Certifications:

    • General Surgery, American Board of Surgery, 2017
    • Surgical Critical Care, American Board of Surgery, 2017

Memberships and associations

  • American College of Surgeons
  • Association for Surgical Education
  • Eastern Association for the Surgery of Trauma
  • American Association for the Surgery of Trauma