The 20 Best L1 Syndrome Doctors Near Me in Orange, CA

Find the Top L1 Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 11 doctor with experience in L1 Syndrome near Orange, CA. Of these, 11 are Experienced.

Location
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11 providers found
    Experienced in L1 Syndrome
    Pediatric Neurology
    Experienced in L1 Syndrome
    Pediatric Neurology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Terence Sanger is a Pediatric Neurologist practicing medicine in Orange, California. Dr. Sanger is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Drug Induced Dyskinesia, Focal Dystonia, Movement Disorders, Cerebral Palsy, and Deep Brain Stimulation. Dr. Sanger is currently accepting new patients.

    Experienced in L1 Syndrome
    Medical Genetics
    Experienced in L1 Syndrome
    Medical Genetics
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Changrui Xiao is a Medical Genetics provider practicing medicine in Orange, California. Dr. Xiao is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Glutaric Acidemia Type 2, Retinopathy Pigmentary Mental Retardation, Adrenoleukodystrophy (ALD), and X-Linked Creatine Deficiency. Dr. Xiao is currently accepting new patients.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome

    UCI Health Cardiovascular Center

    101 The City Dr S Bldg 30, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sanaz Isfahani is a Neurologist practicing medicine in Orange, California. Dr. Isfahani is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Movement Disorders, Parkinson's Disease, Focal Dystonia, and Drug Induced Dyskinesia.

    Learn about our expert tiers
    Experienced in L1 Syndrome
    Neurology
    Experienced in L1 Syndrome
    Neurology

    Office

    200 S Manchester Ave Ste 206, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Manisha Kak is a Neurologist practicing medicine in Orange, California. Dr. Kak is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Spinal Muscular Atrophy Type 3, Spinal Muscular Atrophy (SMA), and Spinal and Bulbar Muscular Atrophy.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nicolas Phielipp is a Neurologist practicing medicine in Orange, California. Dr. Phielipp is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Movement Disorders, Parkinson's Disease, Drug Induced Dyskinesia, Focal Dystonia, and Deep Brain Stimulation.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome
    381 Imperial Highway, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Manpreet Multani is a Neurologist practicing medicine in Fullerton, California. Dr. Multani is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Memory Loss, Alzheimer's Disease, Stroke, and Cerebellar Degeneration. Dr. Multani is currently accepting new patients.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome

    Sandeep Thakkar

    16405 Sand Canyon Ave, 
    Irvine, CA 
     (9.9 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sandeep Thakkar is a Neurologist practicing medicine in Irvine, California. He has been practicing medicine for over 19 years. Dr. Thakkar is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Parkinson's Disease, Movement Disorders, Essential Tremor, and Drug Induced Dyskinesia. Dr. Thakkar is board certified in American Board Of Psychiatry And Neurology.

    Experienced in L1 Syndrome
    Internal Medicine
    Experienced in L1 Syndrome
    Internal Medicine

    Newport Mesa Medical Group

    275 Victoria St, 
    Costa Mesa, CA 
     (9.9 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Abdul Khan is a primary care provider, practicing in Internal Medicine in Costa Mesa, California. He has been practicing medicine for over 43 years. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Sepsis, Pediatric Low-Grade Glioma (pLGG), Pneumonia, Gastrostomy, and Bone Marrow Aspiration. Dr. Khan is board certified in American Board Of Internal Medicine.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome

    Southern California Neurological Associates Medical Group

    16300 Sand Canyon Ave, 
    Irvine, CA 
     (10.0 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English

    Mehrdad Mahdad is a Neurologist practicing medicine in Irvine, California. He has been practicing medicine for over 46 years. Dr. Mahdad is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Dravet Syndrome, Unverricht-Lundborg Syndrome, Lafora Disease, and Progressive Myoclonic Epilepsy. Dr. Mahdad is board certified in American Board Of Psychiatry And Neurology.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome

    Alton/sand Canyon Medical Offices

    6650 Alton Pkwy, 
    Irvine, CA 
     (10.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Parissa Hagh is a Neurologist practicing medicine in Irvine, California. Dr. Hagh is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. Her clinical expertise encompasses Relapsing Multiple Sclerosis (RMS), Multiple Sclerosis (MS), Cramp-Fasciculation Syndrome, and Migraine. Dr. Hagh is currently accepting new patients.

    Experienced in L1 Syndrome
    Experienced in L1 Syndrome

    PIH Health Physicians

    12400 Bloomfield Ave, 
    Santa Fe Springs, CA 
     (15.0 miles away)
    Languages Spoken:
    English

    Dane Copeland is a Neurologist practicing medicine in Santa Fe Springs, California. Dr. Copeland is rated as an Experienced provider by MediFind in the treatment of L1 Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Cervical Myelopathy, Seizures, Memory Loss, and Benign Rolandic Epilepsy.

    Showing 1-11 of 11

    Last Updated: 04/28/2026

    What is the definition of L1 Syndrome?

    L1 syndrome describes a group of conditions that primarily affect the nervous system and occur almost exclusively in males. These conditions vary in severity and include, from most severe to least, X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis.

    When should I see a L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome 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 L1 Syndrome doctors near Orange, CA?

    Look for the filter feature on the left side of the L1 Syndrome 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 L1 Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the L1 Syndrome 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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