The 20 Best Guanidinoacetate Methyltransferase Deficiency Doctors in France

Find the Top Guanidinoacetate Methyltransferase Deficiency Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 7 doctor with experience in Guanidinoacetate Methyltransferase Deficiency near France. Of these, 4 are Experienced and 3 are Advanced.

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7 providers found
    Advanced in Guanidinoacetate Methyltransferase Deficiency

    Laurence Francois-Lion
    Advanced in Guanidinoacetate Methyltransferase Deficiency

    Laurence Francois-Lion
    Referral may be required
    Bron, FR 

    Laurence Francois-Lion practices practicing medicine in Bron, France. Mr. Francois-Lion is rated as an Advanced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Hepatocerebral Degeneration, Wilson Disease, X-Linked Creatine Deficiency, Guanidinoacetate Methyltransferase Deficiency, and Liver Transplant.

    Advanced in Guanidinoacetate Methyltransferase Deficiency

    Nathalie Dorison
    Advanced in Guanidinoacetate Methyltransferase Deficiency

    Nathalie Dorison
    Referral may be required
    Paris, FR 

    Nathalie Dorison practices practicing medicine in Paris, France. Ms. Dorison is rated as an Advanced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Polymicrogyria, Guanidinoacetate Methyltransferase Deficiency, Epilepsy in Children, Deep Brain Stimulation, and Liver Embolization.

    Advanced in Guanidinoacetate Methyltransferase Deficiency

    David Cheillan
    Advanced in Guanidinoacetate Methyltransferase Deficiency

    David Cheillan
    Referral may be required
    Groupement Hospitalier Est, 
    Bron, FR 

    David Cheillan practices practicing medicine in Bron, France. Mr. Cheillan is rated as an Advanced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses X-Linked Creatine Deficiency, Zellweger Syndrome, Sialuria, Sialic Acid Storage Disease, and Ileostomy.

    Learn about our expert tiers
    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Karine Mention
    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Karine Mention
    Referral may be required
    Lille, FR 

    Karine Mention practices practicing medicine in Lille, France. Ms. Mention is rated as an Experienced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Homocystinuria due to MTHFR Deficiency, 3-Hydroxy-3-Methylglutaryl-CoA Lyase Deficiency, Maple Syrup Urine Disease, and Beta-Ketothiolase Deficiency.

    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Marie-line L. Jacquemont
    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Marie-line L. Jacquemont
    Referral may be required
    Reunion Island, 
    Island, FR 

    Marie-line Jacquemont practices practicing medicine in Island, France. Jacquemont is rated as an Experienced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Kabuki Syndrome, Fountain Syndrome, Hypomelanosis of Ito, and Microcephaly Deafness Syndrome.

    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Alice Goldenberg
    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Alice Goldenberg
    Referral may be required

    CHU Rouen

    Rouen, FR 

    Alice Goldenberg practices practicing medicine in Rouen, France. Ms. Goldenberg is rated as an Experienced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. She is also highly rated in 38 other conditions, according to our data. Her clinical expertise encompasses Townes-Brocks Syndrome, Achalasia Microcephaly Syndrome, Microcephaly, and Crouzon Syndrome.

    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Julian M. Boutin
    Experienced in Guanidinoacetate Methyltransferase Deficiency

    Julian M. Boutin
    Referral may be required
    Bordeaux, FR 

    Julian Boutin practices practicing medicine in Bordeaux, France. Mr. Boutin is rated as an Experienced expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His clinical expertise encompasses Porphyria, Congenital Erythropoietic Porphyria, Acute Kidney Failure, and Guanidinoacetate Methyltransferase Deficiency.

    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.
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    Last Updated: 06/30/2026

    What is the definition of Guanidinoacetate Methyltransferase Deficiency?

    Guanidinoacetate methyltransferase deficiency is an inherited disorder that primarily affects the brain and muscles. Without early treatment, people with this disorder have neurological problems that are usually severe. These problems include intellectual disability, speech development limited to a few words, and recurrent seizures (epilepsy). Affected individuals may also exhibit autistic behaviors that affect communication and social interaction or self-injurious behaviors such as head-banging. Other features of this disorder can include involuntary movements (extrapyramidal dysfunction) such as tremors or facial tics.

    When should I see a Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency doctor in France?

    You can find a Guanidinoacetate Methyltransferase Deficiency doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency doctors in France?

    Look for the filter feature on the left side of the Guanidinoacetate Methyltransferase Deficiency 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 Guanidinoacetate Methyltransferase Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Guanidinoacetate Methyltransferase Deficiency 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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