The 20 Best Graves Disease Doctors in Brazil

Find the Top Graves Disease Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 65 doctor with experience in Graves Disease near Brazil. Of these, 53 are Experienced, 8 are Advanced and 4 are Distinguished.

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65 providers found
    Distinguished in Graves Disease

    Suemi Marui
    Distinguished in Graves Disease

    Suemi Marui
    Sao Paulo, SP, BR 

    Suemi Marui practices practicing medicine in Sao Paulo, Brazil. Marui is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. They are also highly rated in 7 other conditions, according to our data. Their clinical expertise encompasses Hyperthyroidism, Graves Disease, Thyroid Cancer, Thyroid Nodule, and Thyroidectomy.

    Distinguished in Graves Disease

    Danilo P. Villagelin
    Distinguished in Graves Disease

    Danilo P. Villagelin
    Campinas, SP, BR 

    Danilo Villagelin practices practicing medicine in Campinas, Brazil. Villagelin is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Hyperthyroidism, Graves Disease, Thyroid Eye Disease, and Hypothyroidism.

    Distinguished in Graves Disease

    Denny M. Garcia
    Distinguished in Graves Disease

    Denny M. Garcia
    Otorhinolaryngology And Head And Neck Surgery, 
    Sao Paulo, SP, BR 

    Denny Garcia practices practicing medicine in Sao Paulo, Brazil. Mr. Garcia is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Eyelid Drooping, Graves Disease, Hyperthyroidism, Osteotomy, and Vitrectomy.

    Learn about our expert tiers
    Distinguished in Graves Disease

    Antonio V. Cruz-Velasco
    Distinguished in Graves Disease

    Antonio V. Cruz-Velasco
    Otorhinolaryngology And Head And Neck Surgery, 
    Sao Paulo, SP, BR 

    Antonio Cruz-Velasco practices practicing medicine in Sao Paulo, Brazil. Mr. Cruz-Velasco is rated as a Distinguished expert by MediFind in the treatment of Graves Disease. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Eyelid Drooping, Ptosis, Entropion, and Graves Disease.

    Advanced in Graves Disease

    Roberto B. Santos
    Advanced in Graves Disease

    Roberto B. Santos
    Campinas, SP, BR 

    Roberto Santos practices practicing medicine in Campinas, Brazil. Santos is rated as an Advanced expert by MediFind in the treatment of Graves Disease. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Graves Disease, Hyperthyroidism, Multiple Endocrine Neoplasia Type 2, and Thyroid Eye Disease.

    Advanced in Graves Disease

    Denise E. Wittmann-Zantut
    Advanced in Graves Disease

    Denise E. Wittmann-Zantut
    Campinas, SP, BR 

    Denise Wittmann-Zantut practices practicing medicine in Campinas, Brazil. Ms. Wittmann-Zantut is rated as an Advanced expert by MediFind in the treatment of Graves Disease. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Graves Disease, Thyroid Cancer, Thyroidectomy, and Intrauterine Device Insertion.

    Advanced in Graves Disease

    Joao H. Romaldini
    Advanced in Graves Disease

    Joao H. Romaldini
    Campinas, SP, BR 

    Joao Romaldini practices practicing medicine in Campinas, Brazil. Mr. Romaldini is rated as an Advanced expert by MediFind in the treatment of Graves Disease. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Graves Disease, Hyperthyroidism, Thyroid Eye Disease, and Hashimoto Thyroiditis.

    Advanced in Graves Disease

    Laura S. Ward
    Advanced in Graves Disease

    Laura S. Ward
    126, Tessália Vieira De Camargo St, 
    Campinas, SP, BR 

    Laura Ward practices practicing medicine in Campinas, Brazil. Ms. Ward is rated as an Advanced expert by MediFind in the treatment of Graves Disease. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Thyroid Cancer, Thyroid Nodule, Follicular Thyroid Cancer, Thyroidectomy, and Hormone Replacement Therapy (HRT).

    Advanced in Graves Disease

    Natassia E. Bufalo
    Advanced in Graves Disease

    Natassia E. Bufalo
    126, Tessália Vieira De Camargo St, 
    Campinas, SP, BR 

    Natassia Bufalo practices practicing medicine in Campinas, Brazil. Ms. Bufalo is rated as an Advanced expert by MediFind in the treatment of Graves Disease. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Thyroid Nodule, Thyroid Cancer, Graves Disease, and Hyperthyroidism.

    Advanced in Graves Disease

    Mario L. Monteiro-Ribeiro
    Advanced in Graves Disease

    Mario L. Monteiro-Ribeiro
    255 Dr. Enéas De Carvalho Aguiar Avenue, 
    Sao Paulo, SP, BR 

    Mario Monteiro-Ribeiro practices practicing medicine in Sao Paulo, Brazil. Mr. Monteiro-Ribeiro is rated as an Advanced expert by MediFind in the treatment of Graves Disease. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Susac Syndrome, Papilledema, Ganglion Cyst, Vitrectomy, and Trabeculectomy.

    Advanced in Graves Disease

    Cinthia M. Riguetto
    Advanced in Graves Disease

    Cinthia M. Riguetto
    Campinas, SP, BR 

    Cinthia Riguetto practices practicing medicine in Campinas, Brazil. Ms. Riguetto is rated as an Advanced expert by MediFind in the treatment of Graves Disease. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Graves Disease, Heterotaxy Syndrome, and Autonomic Neuropathy.

    Advanced in Graves Disease

    Marcos A. Tambascia
    Advanced in Graves Disease

    Marcos A. Tambascia
    Campina, SP, BR 

    Marcos Tambascia practices practicing medicine in Campina, Brazil. Mr. Tambascia is rated as an Advanced expert by MediFind in the treatment of Graves Disease. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Hyperthyroidism, Graves Disease, Metabolic Syndrome, and Type 2 Diabetes (T2D).

    Experienced in Graves Disease

    Ana F. Duarte
    Experienced in Graves Disease

    Ana F. Duarte
    Otorhinolaryngology And Head And Neck Surgery, 
    Sao Paulo, SP, BR 

    Ana Duarte practices practicing medicine in Sao Paulo, Brazil. Ms. Duarte is rated as an Experienced expert by MediFind in the treatment of Graves Disease. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Lacrimal Gland Tumor, Piebaldism, Blepharophimosis, and Graves Disease.

    Experienced in Graves Disease

    Monica N. Alves
    Experienced in Graves Disease

    Monica N. Alves
    Otorrinolaringology And Head & Neck Surgery, 
    Sao Paulo, SP, BR 

    Monica Alves practices practicing medicine in Sao Paulo, Brazil. Ms. Alves is rated as an Experienced expert by MediFind in the treatment of Graves Disease. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Pterygium, Dry Eye Syndrome, Keratoconus, Endophthalmitis, and Cataract Removal.

    Experienced in Graves Disease

    Adriano N. Cury
    Experienced in Graves Disease

    Adriano N. Cury
    Sao Paulo, SP, BR 

    Adriano Cury practices practicing medicine in Sao Paulo, Brazil. Mr. Cury is rated as an Experienced expert by MediFind in the treatment of Graves Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Thyroid Cancer, Papillary Thyroid Cancer, Graves Disease, Hyperthyroidism, and Thyroidectomy.

    Experienced in Graves Disease

    Arnaldo Neto-Moura
    Experienced in Graves Disease

    Arnaldo Neto-Moura
    Campinas, SP, BR 

    Arnaldo Neto-Moura practices practicing medicine in Campinas, Brazil. Mr. Neto-Moura is rated as an Experienced expert by MediFind in the treatment of Graves Disease. His clinical expertise encompasses Autonomic Neuropathy, Graves Disease, Diabetic Neuropathy, Hyperthyroidism, and Liver Transplant.

    Experienced in Graves Disease

    Joao M. Martins
    Experienced in Graves Disease

    Joao M. Martins
    Head And Neck Surgery, 
    Sao Paulo, SP, BR 

    Joao Martins practices practicing medicine in Sao Paulo, Brazil. Martins is rated as an Experienced expert by MediFind in the treatment of Graves Disease. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Medullary Thyroid Carcinoma, Hyperthyroidism, Thyroid Cancer, Multiple Endocrine Neoplasia Type 2, and Thyroidectomy.

    Experienced in Graves Disease

    Thiago M. Nogueira
    Experienced in Graves Disease

    Thiago M. Nogueira
    Av. Vital Brasil, 1500, Butantã, 
    Sao Paulo, SP, BR 

    Thiago Nogueira practices practicing medicine in Sao Paulo, Brazil. Mr. Nogueira is rated as an Experienced expert by MediFind in the treatment of Graves Disease. His clinical expertise encompasses Graves Disease, Hyperthyroidism, Neuroretinitis, Chronic Obstructive Pulmonary Disease (COPD), and Vitrectomy.

    Experienced in Graves Disease

    Tomoco Watanabe
    Experienced in Graves Disease

    Tomoco Watanabe
    Sao Paulo, SP, BR 

    Tomoco Watanabe practices practicing medicine in Sao Paulo, Brazil. Watanabe is rated as an Experienced expert by MediFind in the treatment of Graves Disease. Their clinical expertise encompasses Toxic Nodular Goiter, Graves Disease, Hyperthyroidism, and Thyroid Cancer.

    Experienced in Graves Disease

    Sarah S. Cury
    Experienced in Graves Disease

    Sarah S. Cury
    Presidente Prudente, SP, BR 

    Sarah Cury practices practicing medicine in Presidente Prudente, Brazil. Ms. Cury is rated as an Experienced expert by MediFind in the treatment of Graves Disease. Her clinical expertise encompasses Graves Disease, Hyperthyroidism, Becker Muscular Dystrophy, and Duchenne Muscular Dystrophy.

    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 65

    Last Updated: 04/28/2026

    What is the definition of Graves Disease?

    Graves disease is an autoimmune disease that leads to an overactive thyroid gland (hyperthyroidism). An autoimmune disease is a condition that occurs when the immune system mistakenly attacks healthy tissue.

    When should I see a Graves Disease doctor in Brazil?

    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 Graves Disease doctor in Brazil?

    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 Graves Disease doctor in Brazil?

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

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    How does MediFind rank Graves Disease doctors in Brazil?

    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 Graves Disease doctors in Brazil?

    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 Graves Disease doctor in Brazil?

    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 Graves Disease doctor search results page. 

    Why is it important to get a second opinion from a different Graves 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 Graves Disease doctor in Brazil?

    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 Graves 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 Graves 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 Graves Disease doctors in Brazil?

    Look for the filter feature on the left side of the Graves 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 Graves Disease doctor that offers video calls?

    Look for the filter feature on the left-side of the Graves 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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