The 20 Best L1 Syndrome Doctors in France

Find the Top L1 Syndrome Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 28 doctor with experience in L1 Syndrome near France. Of these, 22 are Experienced, 5 are Advanced and 1 are Distinguished.

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28 providers found
    Distinguished in L1 Syndrome

    Pascale Veber-Saugier
    Distinguished in L1 Syndrome

    Pascale Veber-Saugier
    Referral may be required
    Paris, FR 

    Pascale Veber-Saugier practices practicing medicine in Paris, France. Ms. Veber-Saugier is rated as a Distinguished expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Hydrocephalus due to Congenital Stenosis of Aqueduct of Sylvius, Autoimmune Polyglandular Syndrome Type 2, Autoimmune Polyendocrinopathy-Candidiasis-Ectodermal Dystrophy (APECED), and L1 Syndrome.

    Advanced in L1 Syndrome

    Nathalie Drouot
    Advanced in L1 Syndrome

    Nathalie Drouot
    Referral may be required
    Rouen, FR 

    Nathalie Drouot practices practicing medicine in Rouen, France. Ms. Drouot is rated as an Advanced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses L1 Syndrome, Acute Cerebellar Ataxia, Drug Induced Dyskinesia, and Chorea.

    Advanced in L1 Syndrome

    Annie Laquerriere
    Advanced in L1 Syndrome

    Annie Laquerriere
    Referral may be required
    Rouen, FR 

    Annie Laquerriere practices practicing medicine in Rouen, France. Ms. Laquerriere is rated as an Advanced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Achalasia Microcephaly Syndrome, Microcephaly, Arthrogryposis Multiplex Congenita, and Congenital Contractures.

    Learn about our expert tiers
    Advanced in L1 Syndrome

    Pascale Marcorelles
    Advanced in L1 Syndrome

    Pascale Marcorelles
    Referral may be required

    CHRU Brest

    Brest, FR 

    Pascale Marcorelles practices practicing medicine in Brest, France. Ms. Marcorelles is rated as an Advanced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Adenosine Monophosphate Deaminase Deficiency, Caudal Duplication, Glycogen Storage Disease Type 7, and Distal Arthrogryposis Type 6.

    Advanced in L1 Syndrome

    Valerie Castellani
    Advanced in L1 Syndrome

    Valerie Castellani
    Referral may be required
    Lyon, FR 

    Valerie Castellani practices practicing medicine in Lyon, France. Ms. Castellani is rated as an Advanced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hydrocephalus due to Congenital Stenosis of Aqueduct of Sylvius, L1 Syndrome, Spastic Paraplegia Type 11, and Neuroblastoma.

    Advanced in L1 Syndrome

    Muriel Bozon
    Advanced in L1 Syndrome

    Muriel Bozon
    Referral may be required
    CNRS UMR 5284, INSERM U1314, 8 Avenue Rockefeller, 
    Lyon, FR 

    Muriel Bozon practices practicing medicine in Lyon, France. Ms. Bozon is rated as an Advanced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hydrocephalus due to Congenital Stenosis of Aqueduct of Sylvius, L1 Syndrome, Spastic Paraplegia Type 11, and Corpus Callosum Agenesis.

    Experienced in L1 Syndrome

    Stefan Andrei
    Experienced in L1 Syndrome

    Stefan Andrei
    Referral may be required
    Paris, FR 

    Stefan Andrei practices practicing medicine in Paris, France. Mr. Andrei is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. His clinical expertise encompasses L1 Syndrome, Cerebral Hypoxia, Low Blood Pressure, Lung Transplant, and Hepato-Pancreato-Biliary Surgery.

    Experienced in L1 Syndrome

    Maryline Lecointre
    Experienced in L1 Syndrome

    Maryline Lecointre
    Referral may be required
    Rouen, FR 

    Maryline Lecointre practices practicing medicine in Rouen, France. Ms. Lecointre is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Fetal Alcohol Syndrome (FAS), L1 Syndrome, Autism Spectrum Disorder, and Cerebral Palsy.

    Experienced in L1 Syndrome

    Beatrice Desnous
    Experienced in L1 Syndrome

    Beatrice Desnous
    Referral may be required
    Marseille, FR 

    Beatrice Desnous practices practicing medicine in Marseille, France. Ms. Desnous is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Pulmonary Atresia with Ventricular Septal Defect, Epilepsy in Children, Epilepsy, and Congenital Heart Disease (CHD).

    Experienced in L1 Syndrome

    Gael Nicolas
    Experienced in L1 Syndrome

    Gael Nicolas
    Referral may be required
    Rouen, FR 

    Gael Nicolas practices practicing medicine in Rouen, France. Nicolas is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. They are also highly rated in 17 other conditions, according to our data. Their clinical expertise encompasses Primary Familial Brain Calcification, Calcinosis, Alzheimer's Disease, and Dementia.

    Experienced in L1 Syndrome

    Thomas Mercher
    Experienced in L1 Syndrome

    Thomas Mercher
    Referral may be required
    Paris, FR 

    Thomas Mercher practices practicing medicine in Paris, France. Mr. Mercher is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Acute Megakaryoblastic Leukemia, Acute Erythroid Leukemia (AEL), Acute Myeloid Leukemia (AML), and Leukemia.

    Experienced in L1 Syndrome

    Thierry Frebourg
    Experienced in L1 Syndrome

    Thierry Frebourg
    Referral may be required
    Rouen, FR 

    Thierry Frebourg practices practicing medicine in Rouen, France. Mr. Frebourg is rated as an Experienced expert 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 Li-Fraumeni Syndrome, Lynch Syndrome, Ruvalcaba Syndrome, and Primary Familial Brain Calcification.

    Experienced in L1 Syndrome

    Laurent Meijer
    Experienced in L1 Syndrome

    Laurent Meijer
    Referral may be required
    Roscoff, FR 

    Laurent Meijer practices practicing medicine in Roscoff, France. Mr. Meijer is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Down Syndrome, Alzheimer's Disease, Dementia, and Parkinson's Disease.

    Experienced in L1 Syndrome

    Damien Sanlaville
    Experienced in L1 Syndrome

    Damien Sanlaville
    Referral may be required
    Groupement Hospitalier Est, 
    Bron, FR 

    Damien Sanlaville practices practicing medicine in Bron, France. Mr. Sanlaville is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Microcephaly, Achalasia Microcephaly Syndrome, Kabuki Syndrome, and Cortical Dysplasia.

    Experienced in L1 Syndrome

    Valentin Ruault
    Experienced in L1 Syndrome

    Valentin Ruault
    Referral may be required
    Montpellier, FR 

    Valentin Ruault practices practicing medicine in Montpellier, France. Mr. Ruault is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. His clinical expertise encompasses Kabuki Syndrome, L1 Syndrome, Noonan Syndrome, and Coffin-Lowry Syndrome.

    Experienced in L1 Syndrome

    Benedicte Gerard
    Experienced in L1 Syndrome

    Benedicte Gerard
    Referral may be required
    Strasbourg, FR 

    Benedicte Gerard practices practicing medicine in Strasbourg, France. Ms. Gerard is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Coffin-Lowry Syndrome, Achalasia Microcephaly Syndrome, Microcephaly, and Cerebellar Hypoplasia.

    Experienced in L1 Syndrome

    Francois Janin
    Experienced in L1 Syndrome

    Francois Janin
    Referral may be required
    Rouen, FR 

    Francois Janin practices practicing medicine in Rouen, France. Mr. Janin is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Fetal Alcohol Syndrome (FAS), L1 Syndrome, and Cerebral Hypoxia.

    Experienced in L1 Syndrome

    Florent Marguet
    Experienced in L1 Syndrome

    Florent Marguet
    Referral may be required
    Rouen, FR 

    Florent Marguet practices practicing medicine in Rouen, France. Mr. Marguet is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Congenital Contractures, Arthrogryposis Multiplex Congenita, Glioblastoma, Vitrectomy, and Laminectomy.

    Experienced in L1 Syndrome

    Emmanuel Deau
    Experienced in L1 Syndrome

    Emmanuel Deau
    Referral may be required
    Roscoff, FR 

    Emmanuel Deau practices practicing medicine in Roscoff, France. Mr. Deau is rated as an Experienced expert by MediFind in the treatment of L1 Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Down Syndrome, L1 Syndrome, Alzheimer's Disease, and Parkinson's Disease.

    Experienced in L1 Syndrome

    Bruno J. Gonzalez
    Experienced in L1 Syndrome

    Bruno J. Gonzalez
    Referral may be required
    Rouen, FR 

    Bruno Gonzalez practices practicing medicine in Rouen, France. Mr. Gonzalez is rated as an Experienced expert 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 Fetal Alcohol Syndrome (FAS), Cerebelloolivary Atrophy, L1 Syndrome, and Mucopolysaccharidoses (MPS).

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-20 of 28

    Last Updated: 06/30/2026

    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 in France?

    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 in France?

    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 do I find the best L1 Syndrome doctor in France?

    You can find a L1 Syndrome doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank L1 Syndrome doctors in France?

    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 in France?

    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 in France?

    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 in France?

    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 in France?

    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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