Dr. Dimitri Sigounas, MD

Accepting patients
Online booking


    Dimitri Sigounas, M.D. is a board-certified neurosurgeon and interventional neuroradiologist at The GW Medical Faculty Associates. He specializes in cerebrovascular disorders, including aneurysms, arteriovenous malformations (AVM's), vascular brain masses, carotid occlusive disease, and stroke. He has expertise in the endovascular and open treatment of aneurysms and the embolization of AVM's. Dr. Sigounas is also skilled in carotid stenting/endarterectomy, stroke interventions, and delivery of intra-arterial chemotherapy. He is one of the few neurosurgeons in Washington, D.C. and southern Maryland with dual expertise in both open neurosurgical as well as minimally invasive interventional techniques for the treatment of neurologic disease, which affords him a unique perspective in determining the optimal treatment for each individual patient's needs using the most advanced technologies. Dr. Sigounas graduated with an A.B. degree with honors from Harvard University. He subsequently received his M.D. from the University of North Carolina-Chapel Hill School of Medicine, where he was granted a Doris Duke Clinical Fellowship. Dr. Sigounas did his surgical internship and neurosurgical residency training, as well as serving as chief resident, at New York-Presbyterian Hospital/Weill Cornell Medical College and Memorial Sloan-Kettering Cancer Center. He completed specialized fellowship training in endovascular neurosurgery/interventional neuroradiology at New York-Presbyterian Hospital/Weill Cornell Medical College. He has surgical and interventional expertise in treating numerous vascular diseases of the brain and spine. Dr. Sigounas has extensive clinical research experience in the area of minimally invasive neurosurgery and has published articles involving the treatment of stroke, aneurysms, dural arteriovenous fistulae, and brain tumors using the most innovative, least invasive approaches. He is the site primary investigator of 5 multi-institutional clinical trials and is co-investigator of a multi-year R01 research grant awarded by the NIH. He was one of the original contributors and co-authors of an ongoing NIH-funded, multi-center clinical trial assessing the efficacy of topical vancomycin on reducing surgical site infections in craniotomies. He has lectured both nationally and internationally.

    Medical Specialties and Areas of Expertise

    Neurological Surgeon


    Please contact Dr. Sigounas' office to confirm accepted insurance plans.


    GW Neurosurgery - Foggy Bottom South Pavilion

    2150 Pennsylvania Ave., NW

    7th Floor

    Washington, DC 20037

    (202) 741-2750

    Get Directions | View Website

    Would you like to schedule an appointment with Dr. Dimitri Sigounas?

    Dr. Sigounas has appointments available at his Washington, DC office. Please select a date and time below.

    Frequently Asked Questions

    Is Dimitri Sigounas accepting new patients?

    Yes, Dimitri Sigounas is accepting new patients at this time.

    Does Dimitri Sigounas offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Sigounas, or call (202) 741-2750 for more information.

    Does Dimitri Sigounas offer telehealth appointments?

    Please contact Dr. Sigounas's office at (202) 741-2750 for information telehealth appointment availability or for scheduling assistance.

    Which language(s) does Dimitri Sigounas speak?

    Dimitri Sigounas speaks English.

    Other Neurological Surgeon Near Washington, DC

    Dr. Martin Athelstan Baggenstos, MD
    Neurological Surgeon
    2150 Pennsylvania Ave Nw, Washington, DC 20037
    acceptingPatients-iconAccepting patients
    Dr. Arthur Irwin Kobrine, MDPHD
    Neurological Surgeon
    2440 M St Nw, Washington, DC 20037
    acceptingPatients-iconAccepting patients
    Dr. Vivek Raghvendra Deshmukh, MD
    Neurological Surgeon
    2150 Pennsylvania Ave Nw, Washington, DC 20037
    acceptingPatients-iconAccepting patients
    See All Specialists

    Doctors by Category