Headshot photo of Josiah Orina, M.D.

Josiah Orina, M.D.

  • Assistant Professor of Neurological Surgery, School of Medicine


Dr. Orina graduated from Harvard University with honors in Biochemistry. He earned his medical degree from Emory University and completed his neurosurgical residency at the Mayo Clinic. Following residency, he completed an orthopaedic fellowship in complex spine surgery at the University of California San Francisco.

Dr. Orina enjoys all aspects of neurosurgery and holds clinical and research expertise in diseases of the spine. He specializes in the treatment of spinal conditions including degenerative disorders, spinal deformity, scoliosis, reconstructive surgery, and minimally invasive techniques. He works to ensure his patients have a thorough understanding of their disease and the best treatment options available to them, whether that be surgical or non-surgical therapy.

Education and training

    • B.A., 2004, Harvard University
    • M.D., 2009, Emory University
  • Residency

    • Resident, Department of Neurological Surgery, Mayo Clinic, Rochester, MN, 2009-2015
    • Chief Resident, Department of Neurological Surgery, Mayo Clinic, Rochester, MN, 2015-2016
  • Fellowship

    • Orthopaedic Complex Spine Surgery Fellow, Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, CA, 2016-2017
  • Certifications

    • American Board of Neurological Surgery Board Certified
    • Oregon Medical Board Licensure

Memberships and associations:

  • American Association of Neurological Surgeons, 2009-Present
  • Congress of Neurological Surgeons, 2009-Present
  • North American Spine Society, 2016-Present
  • Ad Hoc Reviewer, The Spine Journal, 2019-Present

Areas of interest

  • Degenerative spinal conditions
  • Spinal deformity
  • Scoliosis
  • Minimally invasive techniques
  • Spinal tumors

Honors and awards

  • Harvard College Scholarship
  • Cum Laude, Harvard University, 2004
  • Portland Monthly Top Doctors


Elsevier pure profile

Selected publications

  • "Redefining the relevance of established cancer cell lines to the study of mechanisms of clinical anti-cancer drug resistance" Proceedings of the National Academy of the United States (PNAS) Nov 1, 2011
  • "Evaluation of current methods used to analyze the expression of ATP-binding cassette transporters yields an improved drug discovery database" Molecular Cancer Therapeutics July 1, 2009


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