The 20 Best Guanidinoacetate Methyltransferase Deficiency Doctors Near Me

Find the Top Guanidinoacetate Methyltransferase Deficiency Experts and Specialists

The 20 Best Guanidinoacetate Methyltransferase Deficiency Doctors Near Me

Last Updated: 02/22/2026

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MediFind found 439 doctor with experience in Guanidinoacetate Methyltransferase Deficiency. Of these, 373 are Experienced, 57 are Advanced and 9 are Distinguished.

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439 providers found
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Toronto, ON, CA 

    Saadet Mahmutoglu-Mercimek practices in Toronto, Canada. Mahmutoglu-Mercimek is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Their top areas of expertise are Guanidinoacetate Methyltransferase Deficiency, Epilepsy in Children, Homocystinuria due to MTHFR Deficiency, and X-Linked Creatine Deficiency.

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    555 University Ave, M5G 1X8, 
    Toronto, ON, CA 

    Andreas Schulze practices in Toronto, Canada. Mr. Schulze is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Arginase Deficiency, Urea Cycle Disorders (UCD), Guanidinoacetate Methyltransferase Deficiency, and X-Linked Creatine Deficiency.

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    4480 Oak Street, 
    Vancouver, BC, CA 

    Sylvia Stockler-Ipsiroglu practices in Vancouver, Canada. Ms. Stockler-Ipsiroglu is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Her top areas of expertise are Guanidinoacetate Methyltransferase Deficiency, Pyruvate Carboxylase Deficiency, X-Linked Creatine Deficiency, and Lactic Acidosis.

    Learn about our expert tiers
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Toronto, ON, CA 

    Ilona Tkachyova practices in Toronto, Canada. Ms. Tkachyova is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Her top areas of expertise are Guanidinoacetate Methyltransferase Deficiency, X-Linked Creatine Deficiency, and Mucopolysaccharidoses (MPS).

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Edmonton, AB, CA 

    Saadet Andrews-Mercimek practices in Edmonton, Canada. Andrews-Mercimek is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Their top areas of expertise are X-Linked Creatine Deficiency, Guanidinoacetate Methyltransferase Deficiency, Succinic Semialdehyde Dehydrogenase Deficiency, and PGM1-CDG.

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Urbino, IT 

    Luigia Rossi practices in Urbino, Italy. Rossi is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Their top areas of expertise are Guanidinoacetate Methyltransferase Deficiency, Ataxia-Telangiectasia, Telangiectasia, and Phenylketonuria (PKU).

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Rome, IT 

    Vincenzo Leuzzi practices in Rome, Italy. Mr. Leuzzi is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Phenylketonuria (PKU), Drug Induced Dyskinesia, Movement Disorders, Aromatic L-Amino Acid Decarboxylase (AADC) Deficiency, and Deep Brain Stimulation.

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Urbino, IT 

    Mauro Magnani practices in Urbino, Italy. Mr. Magnani is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Ataxia-Telangiectasia, Telangiectasia, Guanidinoacetate Methyltransferase Deficiency, Tenotomy, and Tissue Biopsy.

    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    Distinguished in Guanidinoacetate Methyltransferase Deficiency
    950 West 28th Avenue, V5Z 4H4, 
    Vancouver, BC, CA 

    Clara Van Karnebeek practices in Vancouver, Canada. Ms. Van Karnebeek is rated as a Distinguished expert by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Her top areas of expertise are Gyrate Atrophy of the Choroid and Retina, Inborn Amino Acid Metabolism Disorder, Guanidinoacetate Methyltransferase Deficiency, and Epilepsy.

    Advanced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine
    Advanced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine

    Whitesburg Medical Center Pharmacy

    226 Medical Plaza Ln, 
    Whitesburg, KY 
    Languages Spoken:
    English

    Van Breeding is a primary care provider, practicing in Family Medicine in Whitesburg, Kentucky. Dr. Breeding is rated as an Advanced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Gout, Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Gastrostomy, and Advanced Bronchoscopy.

    Advanced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine
    Advanced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine

    Office

    115 And Switzgable Dr, 
    Brodheadsville, PA 
    Languages Spoken:
    English

    Frank Romascavage is a primary care provider, practicing in Family Medicine in Brodheadsville, Pennsylvania. Dr. Romascavage is rated as an Advanced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Chronic Cough, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

    Marc R. Lewin
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine

    Atrium Health Primary Care Carmel Family Medicine

    10000 Park Cedar Drive, 
    Charlotte, NC 
    Languages Spoken:
    English
    Offers Telehealth

    Marc Lewin is a primary care provider, practicing in Family Medicine in Charlotte, North Carolina. Dr. Lewin is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are High Cholesterol, Episcleritis, Familial Combined Hyperlipidemia, and Xanthoma.

    Judy M. Cheng
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Experienced in Guanidinoacetate Methyltransferase Deficiency

    San Mateo Care Center

    50 South San Mateo Drive, Suite 100, 
    San Mateo, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Judy Cheng is a Hematologist in San Mateo, California. Dr. Cheng is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Her top areas of expertise are Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Lung Nodules, and Non-Small Cell Lung Cancer (NSCLC). Dr. Cheng is currently accepting new patients.

    Allen J. Lloyd
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Internal Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Internal Medicine

    Carolinas Medical Center

    1000 Blythe Blvd., 
    Charlotte, NC 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Allen Lloyd is a primary care provider, practicing in Internal Medicine in Charlotte, North Carolina. Dr. Lloyd is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Acute Adrenal Crisis, Thiopurine S-Methyltransferase Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Gastrostomy, and Endoscopy. Dr. Lloyd is currently accepting new patients.

    Brian C. Bai
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine

    Brian C. Bai, MD Private Practice

    331 South C St, Ste A, 
    Oxnard, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Bai is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Sitosterolemia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Doron Feinsilber
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Hematology Oncology
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Hematology Oncology

    Egil And Pauline Braathen Center/Maroone Cancer Center

    2950 Cleveland Clinic Boulevard, 
    Weston, FL 
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Doron Feinsilber is a Hematologist Oncology provider in Weston, Florida. Dr. Feinsilber has been practicing medicine for over 26 years and is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Acute Mountain Sickness, Idiopathic Pulmonary Hemosiderosis, and Thymectomy.

    Shukri George
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine | Internal Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine | Internal Medicine

    Sugarloaf Medical PC

    1300 Peachtree Industrial Blvd, Suite 4201, 
    Suwanee, GA 
    Experience:
    23+ years
    Languages Spoken:
    English, Arabic
    Offers Telehealth

    Doctor Shukri George Makhlouf is trained in the Specialty of Internal Medicine Primary Care and is Board Certified by the American Board of Internal Medicine. He proudly serves not only as an Internal Medicine Physician but also as a Family Practice and Primary Care Doctor.He completed his Internal Medicine training at St. Mary’s Hospital – Affiliated hospital to Yale University School of Medicine. His internship and first year of residency were completed at the University of Medicine and Dentistry of New Jersey. Doctor Makhlouf is a member of the renowned American College of Physicians and American Academy of Family Practice Physicians. Hospital Affiliations are Gwinnet Medical Center in Duluth and Lawrenceville, Emory Johns Creek and Northside Forsyth in Cummings and Atlanta. Dr. George is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Cirrhosis, High Cholesterol, Familial Combined Hyperlipidemia, and Enlarged Liver.

    Angela Bicos
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Internal Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Internal Medicine

    Endeavor Health Medical Group

    1000 Central St., Suite 640, 
    Evanston, IL 
    Languages Spoken:
    English, Greek
    Offers Telehealth

    Angela A. Bicos, MD, an internal medicine physician at Endeavor Health, is board certified in internal medicine and provides primary care for adults. She focuses on preventive health, chronic disease management and the diagnosis and treatment of a broad range of adult conditions. Dr. Bicos speaks English and Greek, allowing her to build stronger communication with patients from diverse backgrounds. Dr. Bicos is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Her top areas of expertise are Sjogren Syndrome, Osteoporosis, Postmenopausal Osteoporosis, and Dementia.

    Valli Stewart
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Internal Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Internal Medicine

    Endeavor Health Medical Group

    1000 Central St., Suite 640, 
    Evanston, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Valli P. Stewart, MD, an internal medicine physician at Endeavor Health, provides primary care focused on adult health, preventive services and chronic disease management. She collaborates with patients to develop long-term care plans that support their overall wellbeing and quality of life. Dr. Stewart is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. Her top areas of expertise are Osteoarthritis, Small Lymphocytic Lymphoma (SLL), Vertigo, and Melorheostosis.

    Robert B. Barnes
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine
    Experienced in Guanidinoacetate Methyltransferase Deficiency
    Family Medicine

    East Penn Medical Practice, Inc

    723 Chestnut Street, 
    Emmaus, PA 
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Robert Barnes is a primary care provider, practicing in Family Medicine in Emmaus, Pennsylvania. Dr. Barnes is rated as an Experienced provider by MediFind in the treatment of Guanidinoacetate Methyltransferase Deficiency. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Cirrhosis.

    Showing 1-20 of 439

    Last Updated: 02/22/2026

    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 near me?

    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 near me?

    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 Guanidinoacetate Methyltransferase Deficiency doctors near me?

    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 near me?

    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 near me?

    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 near me?

    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 near me?

    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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