The 20 Best Moyamoya Disease Doctors Near Me in orange, CA

Find the Top Moyamoya Disease Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 15 doctor with experience in Moyamoya Disease near orange, CA. Of these, 12 are Experienced and 3 are Advanced.

Location
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15 providers found
    Advanced in Moyamoya Disease
    Neurosurgery
    Advanced in Moyamoya Disease
    Neurosurgery
    Referral may be required

    UCI Health Neurosurgery Services

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Hokkien, Taiwanese
    Offers Telehealth

    Frank Hsu is a Neurosurgery provider practicing medicine in Orange, California. Dr. Hsu is rated as an Advanced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Astrocytoma, Normal Pressure Hydrocephalus, Meningioma, Deep Brain Stimulation, and Awake Craniotomy. Dr. Hsu is board certified in American Board Of Neurological Surgery - Neurological Surgery.

    Experienced in Moyamoya Disease
    Neurosurgery | Neurology
    Experienced in Moyamoya Disease
    Neurosurgery | Neurology
    Referral may be required

    UCI Health Neurosurgery Services

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shuichi Suzuki is a Neurosurgery specialist and a Neurologist practicing medicine in Orange, California. Dr. Suzuki is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Increased Intracranial Pressure, Hydrocephalus, Cervical Myelopathy, Thrombectomy, and Stent Placement. Dr. Suzuki is board certified in American Board Of Psychiatry And Neurology - Neurology and American Board Of Psychiatry And Neurology - Vascular Neurology.

    Experienced in Moyamoya Disease
    Experienced in Moyamoya Disease
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Armenian, Russian
    Accepting New Patients
    Offers Telehealth

    Lilit Mnatsakanyan is a Neurologist practicing medicine in Orange, California. Dr. Mnatsakanyan is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Seizures, Epilepsy, Trigeminal Neuralgia, Neuralgia, and Deep Brain Stimulation. Dr. Mnatsakanyan is board certified in American Board Of Psychiatry And Neurology - Neurology, American Board Of Clinical Neurophysiology - General Clinical Neurophysiology, and American Board Of Psychiatry And Neurology - Epilepsy. Dr. Mnatsakanyan is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Moyamoya Disease
    Experienced in Moyamoya Disease
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Wengui Yu is a Neurologist practicing medicine in Orange, California. Dr. Yu is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Stroke, Vein of Galen Aneurysm, Wyburn-Mason Syndrome, Thrombectomy, and Stent Placement. Dr. Yu is board certified in American Board Of Psychiatry And Neurology - Neurology, American Board Of Psychiatry And Neurology - Vascular Neurology, and American Board Of Psychiatry And Neurology - Neurocritical Care.

    Advanced in Moyamoya Disease
    Neurosurgery | Neurology | General Surgery
    Advanced in Moyamoya Disease
    Neurosurgery | Neurology | General Surgery
    Referral may be required

    Anaheim Kraemer Medical Offices

    3460 E La Palma Ave, 
    Anaheim, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Christopher Owen is a Neurosurgery specialist and a Neurologist practicing medicine in Anaheim, California. Dr. Owen is rated as an Advanced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Moyamoya Disease, Arteriovenous Malformation, Brain Aneurysm, Cerebral Artery Bypass Surgery, and Extracranial-Intracranial Bypass Surgery. Dr. Owen is currently accepting new patients.

    Experienced in Moyamoya Disease
    Experienced in Moyamoya Disease
    Referral may be required

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Daniel Nahl is a Radiologist practicing medicine in Orange, California. Dr. Nahl is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 69 other conditions, according to our data. His clinical expertise encompasses Tracheoesophageal Fistula, Horseshoe Kidney, Scoliosis, and Urachal Cyst. Dr. Nahl is currently accepting new patients.

    Experienced in Moyamoya Disease
    Neurosurgery | Pediatric Neurology
    Experienced in Moyamoya Disease
    Neurosurgery | Pediatric Neurology
    Referral may be required
    505 South Main Street, Suite 300, 
    Orange, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joffre Olaya is a Neurosurgery specialist and a Pediatric Neurologist practicing medicine in Orange, California. Dr. Olaya is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Batten Disease, CLN1 Disease, CLN5 Disease, Deep Brain Stimulation, and Posterior Fossa Decompression. Dr. Olaya is currently accepting new patients.

    Experienced in Moyamoya Disease
    Radiology | Interventional Radiology
    Experienced in Moyamoya Disease
    Radiology | Interventional Radiology
    Referral may be required

    Orange County - Anaheim Medical Center

    3440 E La Palma Ave, 
    Anaheim, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Binh Nguyen is a Radiologist and an Interventional Radiologist practicing medicine in Anaheim, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Familial Pancreatic Cancer, Pancreatic Cancer, Ascites, Vertebroplasty, and Bone Graft. Dr. Nguyen is currently accepting new patients.

    Experienced in Moyamoya Disease
    Neurosurgery
    Experienced in Moyamoya Disease
    Neurosurgery
    Referral may be required

    Kaiser Foundation Hospitals Anaheim

    3460 E La Palma Ave, 
    Anaheim, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Allen Ho is a Neurosurgery provider practicing medicine in Anaheim, California. Dr. Ho is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Invertebral Disc Disease, Epilepsy, Meningioma, Deep Brain Stimulation, and Spinal Fusion.

    Experienced in Moyamoya Disease
    Experienced in Moyamoya Disease
    Referral may be required

    Office

    9500 Gilman Dr Dept 949, 
    La Jolla, CA 
     (5.0 miles away)
    Languages Spoken:
    English

    Michael Rafii is a Neurologist practicing medicine in La Jolla, California. Dr. Rafii is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Down Syndrome, Alzheimer's Disease, Dementia, and Developmental Dysphasia Familial.

    Advanced in Moyamoya Disease
    Family Medicine
    Advanced in Moyamoya Disease
    Family Medicine
    22716 Mountain Laurel Way, 
    Diamond Bar, CA 
     (13.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yuan Liu is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Liu is rated as an Advanced provider by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 117 other conditions, according to our data. Her clinical expertise encompasses Lung Adenocarcinoma, Arthritis, Lung Cancer, Tissue Biopsy, and Endoscopy. Dr. Liu is currently accepting new patients.

    Experienced in Moyamoya Disease
    Experienced in Moyamoya Disease
    Referral may be required

    AHMC Anaheim Regional Medical Center

    1111 W La Palma Ave, 
    Anaheim, CA 
     (6.0 miles away)
    Languages Spoken:
    English

    Piran Pirouz is a Neurologist practicing medicine in Anaheim, California. Dr. Pirouz is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Transient Ischemic Attack (TIA), Stroke, Epilepsy, and Liver Failure.

    Experienced in Moyamoya Disease
    Neurosurgery
    Experienced in Moyamoya Disease
    Neurosurgery
    Referral may be required

    Fountain Valley Regional Hospital And Medical Center

    17100 Euclid St, 
    Fountain Valley, CA 
     (6.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Amir Khan is a Neurosurgery provider practicing medicine in Fountain Valley, California. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Brain Aneurysm, Subarachnoid Hemorrhage, Stroke, Transmyocardial Revascularization, and Stent Placement.

    Experienced in Moyamoya Disease
    Neurosurgery | General Surgery
    Experienced in Moyamoya Disease
    Neurosurgery | General Surgery
    Referral may be required
    101 East Valencia Mesa Drive, 
    Fullerton, CA 
     (8.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Muhonen is a Neurosurgery specialist and a General Surgeon practicing medicine in Fullerton, California. Dr. Muhonen is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Hydrocephalus, Cerebellum Agenesis Hydrocephaly, Sunken Fontanelles, Bulging Fontanelles, and Endovascular Embolization. Dr. Muhonen is currently accepting new patients.

    Experienced in Moyamoya Disease
    Neurosurgery
    Experienced in Moyamoya Disease
    Neurosurgery
    Referral may be required
    16300 Sand Canyon Avenue, Suite 614, 
    Irvine, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Vivek Mehta is a Neurosurgery provider practicing medicine in Irvine, California. Dr. Mehta is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Chronic Subdural Hematoma, Primitive Neuroectodermal Tumor (PNET), Posterior Fossa Tumor, Laminectomy, and Awake Craniotomy. Dr. Mehta is currently accepting new patients.

    Showing 1-15 of 15

    Last Updated: 09/26/2026

    What is the definition of Moyamoya Disease?

    Moyamoya disease is a disorder of blood vessels in the brain, specifically the internal carotid arteries and the arteries that branch from them. These vessels, which provide oxygen-rich blood to the brain, narrow over time. Narrowing of these vessels reduces blood flow in the brain. In an attempt to compensate, new networks of small, fragile blood vessels form. These networks, visualized by a particular test called an angiogram, resemble puffs of smoke, which is how the condition got its name: "moyamoya" is an expression meaning "something hazy like a puff of smoke" in Japanese.

    When should I see a Moyamoya Disease doctor near orange, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Moyamoya Disease doctor near orange, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Moyamoya Disease doctors near orange, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Moyamoya Disease doctors near orange, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Moyamoya Disease doctor near orange, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Moyamoya Disease doctor search results page. 

    Why is it important to get a second opinion from a different Moyamoya Disease doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Moyamoya Disease doctor near orange, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Moyamoya Disease doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Moyamoya Disease doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Moyamoya Disease doctors near orange, CA?

    Look for the filter feature on the left side of the Moyamoya Disease doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Moyamoya Disease doctor that offers video calls?

    Look for the filter feature on the left-side of the Moyamoya Disease doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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