Summary

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.
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Quick Facts

  • accepting new patients
  • 4.8
  • 19 years of experience
  • 16 insurance plans accepted
  • speaks English
  • New York Presbyterian Hospital
  • 7 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 office location
  • Male

Office Location

GW Neurosurgery - Foggy Bottom South Pavilion

2150 Pennsylvania Ave NW # 7Washington, DC 20037

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Dimitri Sigounas, MDRizwan Ahmad Tahir, MDEhsan Dowlati, MDSamir Sur, MD
Neurological SurgeryNeurological SurgeryNeurological SurgeryNeurological Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
4.9 
19 Years of Experience 13 Years of Experience 10 Years of Experience 14 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Urdu Speaks English, Farsi Speaks English
Washington , DCBaltimore , MDWashington , DCBaltimore , MD
Med School: University Of North Carolina At Chapel Hill School Of Medicine Med School: Wayne State University Med School: Virginia Tech Med School: Boston University School of Medicine
Current Profile
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Insurance Plans Accepted by Dimitri Sigounas

  • Aetna
  • AmeriHealth
  • AmeriHealth - Medicaid (Managed)
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - Medicare (Advantage HMO)
  • CareFirst Blue Cross Blue Shield - PPO
  • Humana - Medicare (Advantage HMO)
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Riverside Health - HMO
  • UnitedHealthcare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • University of Maryland Health Partners

Medical Specialties

Dimitri Sigounas has the following specialty

Specialty Expertise

Dimitri Sigounas has the following 7 areas of expertise

  • Aneurysm
  • Brain Surgery
  • Brain Tumor
  • Craniotomy
  • Glioblastoma
  • Laminectomy
  • Stroke

Certifications, License, & Education

19 Years Experience

Dimitri Sigounas holds an expired medical license in the states of District Of Columbia and Virginia.

Medical License

Medical Doctor with an expired medical license in the state of District Of Columbia that expired in 2026 and an expired medical license in the state of Virginia that expired in 2026.

Education & Training

Residency

Completed their residency at New York Presbyterian Hospital.

Medical School

Graduated from University Of North Carolina At Chapel Hill School Of Medicine in 2008 and University Of North Carolina At Chapel Hill School Of Medicine in 2007.

NPI Number

Dimitri Sigounas' NPI number is 1528228749.

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Frequently Asked Questions

Does Dimitri Sigounas accept my insurance?
You can see the insurance plans that Dimitri Sigounas accepts on their Vitals profile.
What languages does Dimitri Sigounas speak?
Dimitri Sigounas speaks English.
How can I make an appointment with Dimitri Sigounas?
You can find contact information for Dimitri Sigounas here on Vitals.
Does Dimitri Sigounas accept virtual/telehealth appointments?
Dimitri Sigounas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dimitri Sigounas's office located?
Dimitri Sigounas's office is located at 2150 Pennsylvania Ave NW # 7, Washington, DC, 20037.

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