Joshua Osbun, MD

Neurosurgeon, neurovascular

Joshua Osbun

Appointment Options

Whether you’re seeking a new patient appointment or exploring treatment options and looking for a second opinion, our Siteman care coordinators are ready to assist you.

My Locations

Center for Advanced Medicine

Center for Advanced Medicine

On WashU Medicine Campus
4921 Parkview Place, Saint Louis, MO 63110

Expertise & Training

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Joshua Osbun, MD

4 mins

Washington University neurosurgeon Joshua Osbun, MD, discusses what brain tumor patients can expect from their extended care team at Siteman Cancer Center. Learn more about Dr. Osbun: https://siteman.wustl.edu/doctor/osbun-joshua/

Explore the Brain Tumor Center at Siteman: https://siteman.wustl.edu/treatment/cancer-types/brain-tumor-center/

Learn more about how Siteman personalizes brain tumor treatment: https://siteman.wustl.edu/personalized-brain-tumor-treatment/

Learn more about how Siteman's innovations in brain tumor surgery are advancing treatment: https://siteman.wustl.edu/innovations-brain-tumor-surgery/

Clinical Expertise

  • Neurosurgery and brain tumors

Primary Academic Title

Professor of Neurosurgery, Radiology and Neurology Program Director, Neurosurgery Residency Director, Cerebrovascular Surgery and Interventional Neuroradiology, WashU Medicine

Training

  • 2007 - 2014: Resident, Neurological Surgery, University of Washington, Seattle, WA
  • 2010 - 2011: Specialist Registrar, Neurological Surgery, Atkinson Morley and St. George's Hospital, London
  • 2014 - 2016: Fellow, Cerebrovascular Surgery and Interventional Neuroradiology, Emory University, Atlanta, GA

Education

  • 2007: MD, University of Texas Southwestern Medical School, Dallas, TX

Research & Selected Publications

Research Interest

Surgical and endovascular treatment of cerebrovascular disease and complex tumors of the skull base.

Research Publications

Postoperative fluid restriction to prevent delayed hyponatremia after endoscopic transsphenoidal surgery
Authors:

Klaassen D, Mok S, Hwang JY, one or more additional authors omitted Osbun JW, one or more additional authors omitted Silverstein JM

Journal & Year:

Neuro-oncology | 2025

Single-cell multi-omic analysis of the vestibular schwannoma ecosystem uncovers a nerve injury-like state
Authors:

Barrett TF, Patel B, Khan SM, one or more additional authors omitted Osbun JW, one or more additional authors omitted Kim AH

Journal & Year:

Nat Commun | 2024