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Geoffrey P. Colby, M.D., Ph.D.

Geoffrey Philip Colby, M.D., Ph.D.
Assistant Professor of Neurosurgery

Male  | Languages: English, Spanish

Appointment Phone

410-955-1506

Main Location

The Johns Hopkins Hospital

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »

Titles

  • Assistant Professor of Neurosurgery
  • Assistant Professor of Neurology
  • Assistant Professor of Radiology and Radiological Science

Centers & Institutes

Departments

Locations

The Johns Hopkins Hospital

Appointment Phone: 410-955-1506

1800 Orleans Street
Zayed Tower, 6115C
Baltimore, MD 21287 map
Phone: 410-955-1506
Fax: 443-287-0338

Johns Hopkins Bayview Medical Center

4940 Eastern Avenue
301 Building, Suite 2100
Baltimore, MD 21224 map
Phone: 410-550-4076

Expertise

Acute Stroke Care, Aneurysm Repair, Aneurysms, Arteriovenous Fistulas, Arteriovenous Malformations, Brain Tumors, Carotid Artery Stenosis, Carotid Artery Stenting, Cavernous Malformations, Cerebral Aneurysms, Dural Arteriovenous Fistulas, Endovascular Surgery, Moyamoya Disease, Neurosurgery, Stroke, Subarachnoid Hemorrhage

Research Interests

Improve and develop novel endovascular devices and techniques for treatment of cerebrovascular pathology, and understand how these devices interact with native blood vessel

Biography

With combined training in open neurosurgery, endovascular neurosurgery, and interventional neuroradiology, Dr. Colby focuses on the surgical and endovascular treatment of aneurysms, arteriovenous malformations (AVMs), cavernous malformations, and dural arteriovenous fistulas (dAVFs) of the brain and spinal cord. These treatments include the most modern and sophisticated endovascular techniques of aneurysm flow diversion.

Dr. Colby has expertise in the pre-operative embolization of solid brain and spinal tumors. He also uses the latest surgical and endovascular techniques to treat patients with carotid artery stenosis, acute stroke, intracerberal hemorrhage (ICH), subarachnoid hemorrhage (SAH) and moyamoya disease.

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Featured Video

Meet our Experts: Dr. Geoffrey Colby

Dr. Geoffrey Colby focuses on the surgical and endovascular treatment of aneurysms, arteriovenous malformations, cavernous malformations, dural arteriovenous fistulas.

More Videos

    Additional Information

  • Education +

    Degrees

    • Columbia University College of Physicians and Surgeons / MD (2006)

    Residencies

    • Johns Hopkins University School of Medicine / Neurosurgery (2013)

    Certifications

    • American Board of Neurological Surgery
  • Research & Publications +

    Research Summary


    Through his research, Dr. Colby seeks to improve and develop novel endovascular devices and techniques for treatment of cerebrovascular pathology. He also seeks to understand how these devices interact with native blood vessels. Dr. Colby has published extensively in the field of endovascular aneurysm treatment using the flow diversion technique, as well as stroke and subarachnoid hemorrhage (SAH).

    Selected Publications View all on PubMed

    Immediate procedural outcomes in 44 consecutive Pipeline Flex cases: the first North American single-center series.
    Colby GP, Lin LM, Caplan JM, Jiang B, Huang J, Tamargo RJ, Coon AL.
    J Neurointerv Surg. 2015 Jul 1. pii: neurintsurg-2015-011894. doi: 10.1136/neurintsurg-2015-011894. [Epub ahead of print]
    PMID:
    26136500

    Flow diversion of large internal carotid artery aneurysms with the surpass device: impressions and technical nuance from the initial North American experience.
    Colby GP, Lin LM, Caplan JM, Jiang B, Michniewicz B, Huang J, Tamargo RJ, Coon AL.
    J Neurointerv Surg. 2015 May 18. pii: neurintsurg-2015-011769. doi: 10.1136/neurintsurg-2015-011769. [Epub ahead of print]
    PMID:
    25987590

    Radiation dose analysis of large and giant internal carotid artery aneurysm treatment with the pipeline embolization device versus traditional coiling techniques.
    Colby GP, Lin LM, Nundkumar N, Jiang B, Huang J, Tamargo RJ, Coon AL.
    J Neurointerv Surg. 2015 May;7(5):380-4. doi: 10.1136/neurintsurg-2014-011193. Epub 2014 Apr 8.
    PMID:
    24714609

    Cost comparison of endovascular treatment of anterior circulation aneurysms with the pipeline embolization device and stent-assisted coiling.
    Colby GP, Lin LM, Paul AR, Huang J, Tamargo RJ, Coon AL.
    Neurosurgery. 2012 Nov;71(5):944-48; discussion 948-50. doi: 10.1227/NEU.0b013e3182690b8b.
    PMID:
    22806083

    A single center comparison of coiling versus stent assisted coiling in 90 consecutive paraophthalmic region aneurysms.
    Colby GP, Paul AR, Radvany MG, Gandhi D, Gailloud P, Huang J, Tamargo RJ, Coon AL.
    J Neurointerv Surg. 2012 Mar;4(2):116-20. doi: 10.1136/jnis.2011.004911. Epub 2011 May 11.
    PMID:
    21990478

  • Academic Affiliations & Courses +
  • Activities & Honors +

    Honors

    • “Best Fellow’s Abstract,” Awarded for best scientific paper on the area of neurointerventional research., Society of Neurointerventional Surgery 2012 Annual Meeting, San Diego, CA, 2012
    • Neurosurgery Chairman’s Award for Improving Patient Safety., Johns Hopkins University, Baltimore, MD, 2012
    • Neurosurgery Chairman’s Award of Excellence in Teaching, Department of Neurological Surgery, Johns Hopkins University, Baltimore, MD, 2015
  • Videos & Media +

    Videos

    Patient story: Brain Arteriovenous Malformation (AVM), William’s Story

    Recent News Articles & Media Coverage

    A New Way to Treat Ischemic Stroke, NeuroLogic (Fall 2015)

    The Power of Compassion, Dome, 05/01/2014

    Adding Stent During Minimally Invasive Surgery To Repair Aneurysms Prevents Recurrence, NeuroNow (Spring 2013)

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