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Dr. Dimitrios Sigounas, MD

Neurosurgeon

Rockville, MD

Accepting patients

    Who is Dr. Sigounas, Neurosurgeon in Rockville, MD?

    Dr. Dimitrios Sigounas, MD is a Neurosurgeon, who primarily practices in Rockville, MD with 2 additional practice locations. Dr. Sigounas is fluent in English and Greek, and is currently seeing new patients. Dr. Sigounas’s practice accepts Kaiser Permanente, Medicare, Aetna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sigounas’s office at (202) 715-5109.

    What are Areas of Expertise for Dr. Sigounas?

    Dr. Dimitrios Sigounas, MD is a highly-rated, board-certified Neurosurgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Sigounas empowers patients to confidently navigate their health journey, specializing in Cerebrovascular Disease, Clinical Trials, Interventional Neuroradiology, Minimally Invasive Neurosurgery, and comprehensive wellness support. Serving the Rockville, MD community, Dr. Sigounas is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Sigounas speak?

    Dr. Sigounas and their clinical team can communicate with patients in the following languages:

    • English
    • Greek

    What conditions does a Neurosurgeon like Dr. Sigounas typically treat?

    As a Neurosurgeon, Dr. Sigounas diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Sigounas. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Brain Aneurysm
    • Cerebral Aneurysm
    • Brain Artery Bulge
    • Intracranial Aneurysm

    ICD-10 Codes:

    • I671: Cerebral aneurysm, nonruptured

    Also known as:

    • Brain AVM (Abnormal Blood Vessel Connection)
    • Arteriovenous Malformations
    • Cerebral AVM
    • Brain Arteriovenous Malformation
    • Brain Vascular Malformation

    ICD-10 Codes:

    • Q282: Arteriovenous malformation of cerebral vessels

    Also known as:

    • Hemorrhagic Stroke
    • Brain Bleed
    • Intracranial Hemorrhage
    • Cerebral Hemorrhage

    ICD-10 Codes:

    • I6203: Nontraumatic chronic subdural hemorrhage

    Also known as:

    • Hemorrhagic Stroke
    • Brain Bleed
    • Cerebral Hemorrhage
    • Intracranial Hemorrhage

    ICD-10 Codes:

    • I609: Nontraumatic subarachnoid hemorrhage, unspecified

    Also known as:

    • Idiopathic intracranial hypertension
    • Brain Disease
    • Pseudotumor cerebri
    • IIH
    • Benign intracranial hypertension

    ICD-10 Codes:

    • G932: Benign intracranial hypertension

    Also known as:

    • Carotid Artery Disease
    • Carotid Stenosis
    • Blocked Carotid Artery
    • Neck Artery Disease
    • Carotid Artery Narrowing

    ICD-10 Codes:

    • I6523: Occlusion and stenosis of bilateral carotid arteries

    What procedures does a Neurosurgeon like Dr. Sigounas typically perform?

    As a Neurosurgeon, Dr. Sigounas performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sigounas. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Brain and Neck Artery X-ray (Angiography)
    • Vertebral Artery Angiography
    • Catheter and X-ray of External Carotid Artery
    • Carotid artery angiography
    • Cerebral angiography
    • Intracranial carotid angiography
    • Neck and brain blood vessel imaging
    • Cervicocerebral arch angiography
    • Vertebral artery imaging
    • Brain blood vessel scan
    • External carotid angiography
    • Neck artery imaging with catheter
    • Selective carotid catheterization

    CPT Codes:

    • 36224: Selective catheter placement, internal carotid artery, unilateral, with angiography of the ipsilateral intracranial carotid circulation and all associated radiological supervision and interpretation, includes angiography of the extracranial carotid and cervicocerebral arch, when performed
    • 36226: Selective catheter placement, vertebral artery, unilateral, with angiography of the ipsilateral vertebral circulation and all associated radiological supervision and interpretation, includes angiography of the cervicocerebral arch, when performed
    • 36227: Selective catheter placement, external carotid artery, unilateral, with angiography of the ipsilateral external carotid circulation and all associated radiological supervision and interpretation (List separately in addition to code for primary procedure)

    Also known as:

    • Carotid Artery Angiography
    • Cerebral Angiography
    • Neck Artery X-ray
    • Carotid Artery Imaging
    • Brain Blood Vessel Study

    CPT Codes:

    • 36223: Selective catheter placement, common carotid or innominate artery, unilateral, any approach, with angiography of the ipsilateral intracranial carotid circulation and all associated radiological supervision and interpretation, includes angiography of the extracranial carotid and cervicocerebral arch, when performed

    Also known as:

    • Selective Brain Artery Catheterization with Angiography
    • Cerebral Angiography
    • Intracranial Catheter Placement
    • Brain Blood Vessel Imaging

    CPT Codes:

    • 36228: Selective catheter placement, each intracranial branch of the internal carotid or vertebral arteries, unilateral, with angiography of the selected vessel circulation and all associated radiological supervision and interpretation (eg, middle cerebral artery, posterior inferior cerebellar artery) (List separately in addition to code for primary procedure)

    Also known as:

    • Specialized Vein Catheter Placement
    • Selective Venous Catheterization
    • Deep Vein Catheter Insertion
    • Diagnostic Vein Catheter

    CPT Codes:

    • 36012: Selective catheter placement, venous system; second order, or more selective, branch (eg, left adrenal vein, petrosal sinus)

    Also known as:

    • Brain or Spinal Cord Embolization
    • Neurovascular embolization
    • Intracranial vessel occlusion
    • Spinal cord vascular malformation treatment

    CPT Codes:

    • 61624: Transcatheter permanent occlusion or embolization (eg, for tumor destruction, to achieve hemostasis, to occlude a vascular malformation), percutaneous, any method; central nervous system (intracranial, spinal cord)

    Also known as:

    • Intracranial Thrombectomy (Stroke Treatment)
    • Mechanical Thrombectomy for Stroke
    • Brain Clot Removal (Percutaneous)
    • Intracranial Thrombolysis
    • Endovascular Stroke Treatment

    CPT Codes:

    • 61645: Percutaneous arterial transluminal mechanical thrombectomy and/or infusion for thrombolysis, intracranial, any method, including diagnostic angiography, fluoroscopic guidance, catheter placement, and intraprocedural pharmacological thrombolytic injection(s)

    Does Dr. Sigounas accept my insurance?

    Dr. Sigounas accepts most major insurance plans. Important: Please call our office at (202) 715-5109 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Sigounas accept in Rockville, MD?

    Dr. Sigounas in Rockville, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • CareFirst BlueCross BlueShield

    • Cigna Group

    • CVS Health (formerly Aetna)

    • District of Columbia

    • Federal government of the United States

    • Kaiser Permanente

    • Medicare

    • State of Maryland

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Sigounas' office located?

    Dr. Dimitrios Sigounas' Primary Practice

    3202 Tower Oaks Blvd Ste 300

    Rockville, MD 20852

    (202) 715-5109

    Get Directions

    Dr. Dimitrios Sigounas' Practice 2

    9470 Annapolis Rd Ste 309

    Lanham, MD 20706

    Get Directions

    Dr. Dimitrios Sigounas' Practice 3

    9901 Medical Center Dr

    Rockville, MD 20850

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    What hospitals are Dr. Sigounas affiliated with?

    Dr. Sigounas has admitting privileges at the following hospitals:

    George Washington University Hospital,Washington, DC

    What is Dr. Sigounas's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Sigounas's National Provider Identifier (NPI) number is 1528228749.

    What common questions do patients ask about Dr. Sigounas?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sigounas

    What is Dr. Dimitrios Sigounas's specialty?

    Dr. Sigounas is a Neurosurgeon near Rockville, MD.

    What does a Neurosurgeon do?

    A neurological surgeon is responsible to provide the operative and non-operative management which includes prevention, diagnosis, evaluation, treatment, critical care, & rehabilitation of various disorders related to the central, peripheral, and autonomic nervous systems. This includes their supporting structures and vascular supply, the complete evaluation and treatment of pathological process which is known to modify function or activity of the nervous system, the operative & non-operative management of pain. A neurological surgeon has specialization in treating patients with disorders of the nervous system which includes conditions affecting the brain, meninges, skull, and their blood supply, such as the extracranial carotid and vertebral arteries. They also manage disorders related to the pituitary gland, spinal cord, meninges, and vertebral column, including those that may require spinal fusion or instrumentation. In addition to this, they treat conditions affecting the cranial and spinal nerves throughout their course in the body.

    Is Dr. Dimitrios Sigounas affiliated with a ranked Castle Connolly Top Hospital?

    No, Dr. Sigounas is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: George Washington University Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Neurosurgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Neurosurgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dr. Dimitrios Sigounas accepting new patients in Rockville, MD?

    Yes, Dr. Dimitrios Sigounas is accepting new patients at this time.

    Does Dr. Dimitrios Sigounas offer online booking?

    Please contact Dr. Sigounas' office at (202) 715-5109 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Dimitrios Sigounas?

    Please contact Dr. Sigounas' office at (202) 715-5109 to schedule an appointment.

    Where is Dr. Sigounas' office located?

    Dr. Sigounas' offices are located in Rockville, MD and Lanham, MD.