The 20 Best Congenital Hyperinsulinism Doctors Near Me in Istanbul, TR

Find the Top Congenital Hyperinsulinism Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 73 doctor with experience in Congenital Hyperinsulinism near Istanbul, TR. Of these, 60 are Experienced, 9 are Advanced and 4 are Distinguished.

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73 providers found
    Distinguished in Congenital Hyperinsulinism

    Feyza Darendeliler
    Distinguished in Congenital Hyperinsulinism

    Feyza Darendeliler
    Istanbul, TR 

    Feyza Darendeliler practices practicing medicine in Istanbul, Turkey. Ms. Darendeliler is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 38 other conditions, according to our data. Her clinical expertise encompasses Intersex, Turner Syndrome, Congenital Adrenal Hyperplasia (CAH), Hormone Replacement Therapy (HRT), and Thyroidectomy.

    Distinguished in Congenital Hyperinsulinism

    Firdevs Bas
    Distinguished in Congenital Hyperinsulinism

    Firdevs Bas
    Istanbul, TR 

    Firdevs Bas practices practicing medicine in Istanbul, Turkey. Bas is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 37 other conditions, according to our data. Their clinical expertise encompasses Intersex, Turner Syndrome, Precocious Puberty, Hormone Replacement Therapy (HRT), and Thyroidectomy.

    Distinguished in Congenital Hyperinsulinism

    Ruveyde Bundak
    Distinguished in Congenital Hyperinsulinism

    Ruveyde Bundak
    Istanbul, TR 

    Ruveyde Bundak practices practicing medicine in Istanbul, Turkey. Bundak is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 13 other conditions, according to our data. Their clinical expertise encompasses Intersex, Precocious Puberty, Turner Syndrome, Congenital Hyperinsulinism, and Hormone Replacement Therapy (HRT).

    Learn about our expert tiers
    Distinguished in Congenital Hyperinsulinism

    Gonul Catlı
    Distinguished in Congenital Hyperinsulinism

    Gonul Catlı
    Istinye, TR 

    Gonul Catlı practices practicing medicine in Istinye, Turkey. Catlı is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 18 other conditions, according to our data. Their clinical expertise encompasses Obesity in Children, Intersex, Congenital Hyperinsulinism, and Hypothyroidism.

    Advanced in Congenital Hyperinsulinism

    Ilker T. Ozgen
    Advanced in Congenital Hyperinsulinism

    Ilker T. Ozgen
    Istanbul, TR 

    Ilker Ozgen practices practicing medicine in Istanbul, Turkey. Ozgen is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Congenital Hyperinsulinism, Obesity in Children, Precocious Puberty, and Panhypopituitarism.

    Advanced in Congenital Hyperinsulinism

    Emel Torun
    Advanced in Congenital Hyperinsulinism

    Emel Torun
    Vatan Street, 
    Fatih, TR 

    Emel Torun practices practicing medicine in Fatih, Turkey. Torun is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Congenital Hyperinsulinism, Obesity in Children, Childhood Iron Deficiency Anemia, and Pulmonary Tuberculosis.

    Advanced in Congenital Hyperinsulinism

    Yasar Cesur
    Advanced in Congenital Hyperinsulinism

    Yasar Cesur
    Istanbul, TR 

    Yasar Cesur practices practicing medicine in Istanbul, Turkey. Mr. Cesur is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Congenital Hyperinsulinism, Obesity in Children, Congenital Hypothyroidism, and Hypothyroidism.

    Advanced in Congenital Hyperinsulinism

    Ahmet Y. Ucar
    Advanced in Congenital Hyperinsulinism

    Ahmet Y. Ucar
    Halaskargazi Cad. Etfal St, 
    Sisli, TR 

    Ahmet Ucar practices practicing medicine in Sisli, Turkey. Mr. Ucar is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Wolcott Rallison Syndrome, Intersex, Turner Syndrome, and Addison's Disease.

    Advanced in Congenital Hyperinsulinism

    Banu K. Aydin
    Advanced in Congenital Hyperinsulinism

    Banu K. Aydin
    Ihlas Marmara Evleri - I. Kisim, TR 

    Banu Aydin practices practicing medicine in Ihlas Marmara Evleri - I. Kisim, Turkey. Ms. Aydin is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Intersex, Turner Syndrome, Obesity in Children, and Precocious Puberty.

    Advanced in Congenital Hyperinsulinism

    Nurcin E. Saka
    Advanced in Congenital Hyperinsulinism

    Nurcin E. Saka
    Istanbul, TR 

    Nurcin Saka practices practicing medicine in Istanbul, Turkey. Saka is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Intersex, Turner Syndrome, Congenital Adrenal Hyperplasia (CAH), and Isolated ACTH Deficiency.

    Advanced in Congenital Hyperinsulinism

    Sukran Poyrazoglu
    Advanced in Congenital Hyperinsulinism

    Sukran Poyrazoglu
    Istanbul, TR 

    Sukran Poyrazoglu practices practicing medicine in Istanbul, Turkey. Poyrazoglu is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 29 other conditions, according to our data. Their clinical expertise encompasses Intersex, Turner Syndrome, Congenital Adrenal Hyperplasia (CAH), Hormone Replacement Therapy (HRT), and Thyroidectomy.

    Advanced in Congenital Hyperinsulinism

    Teoman Akcay
    Advanced in Congenital Hyperinsulinism

    Teoman Akcay

    Istinye University Medical Park Gaziosmanpasa Hospital

    Istinye, TR 

    Teoman Akcay practices practicing medicine in Istinye, Turkey. Mr. Akcay is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Intersex, Congenital Adrenal Hyperplasia (CAH), Congenital Hyperinsulinism, and Adrenal Insufficiency Pediatric.

    Advanced in Congenital Hyperinsulinism

    Bulent Hacıhamdioglu
    Advanced in Congenital Hyperinsulinism

    Bulent Hacıhamdioglu
    Istanbul, TR 

    Bulent Hacıhamdioglu practices practicing medicine in Istanbul, Turkey. Hacıhamdioglu is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Glycogen Storage Disease Type 0, Donohue Syndrome, Addison's Disease, and Congenital Hyperinsulinism.

    Experienced in Congenital Hyperinsulinism

    Kemal Sarica
    Experienced in Congenital Hyperinsulinism

    Kemal Sarica
    Istanbul, TR 

    Kemal Sarica practices practicing medicine in Istanbul, Turkey. Mr. Sarica is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Kidney Stones, Hydronephrosis, Horseshoe Kidney, Lithotripsy, and Ureteroscopy.

    Experienced in Congenital Hyperinsulinism

    Korkut Ulucan
    Experienced in Congenital Hyperinsulinism

    Korkut Ulucan
    Ihlas Marmara Evleri - I. Kisim, TR 

    Korkut Ulucan practices practicing medicine in Ihlas Marmara Evleri - I. Kisim, Turkey. Ulucan is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their clinical expertise encompasses Congenital Hyperinsulinism, Undescended Testicle, Metabolic Syndrome, and Intersex.

    Experienced in Congenital Hyperinsulinism

    Derya Kalyoncu
    Experienced in Congenital Hyperinsulinism

    Derya Kalyoncu
    Istinye Street No, 98 Sariyer, 
    Sariyer, TR 

    Derya Kalyoncu practices practicing medicine in Sariyer, Turkey. Ms. Kalyoncu is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Her clinical expertise encompasses Congenital Hyperinsulinism, Tenesmus, Celiac Disease, and Malabsorption.

    Experienced in Congenital Hyperinsulinism

    Cengiz K. Kara
    Experienced in Congenital Hyperinsulinism

    Cengiz K. Kara
    Istanbul, TR 

    Cengiz Kara practices practicing medicine in Istanbul, Turkey. Mr. Kara is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Neonatal Hypothyroidism, Congenital Hypothyroidism, Hypothyroidism, Intersex, and Hormone Replacement Therapy (HRT).

    Experienced in Congenital Hyperinsulinism

    Ceren Cetin
    Experienced in Congenital Hyperinsulinism

    Ceren Cetin
    Kartal Dr. Lutfi Kirdar City Hospital, Türkiye, 
    Kartal, TR 

    Ceren Cetin practices practicing medicine in Kartal, Turkey. Ms. Cetin is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Her clinical expertise encompasses Congenital Hyperinsulinism, Multisystem Inflammatory Syndrome in Children (MIS-C), Mastoiditis, and Newborn Transient Tachypnea.

    Experienced in Congenital Hyperinsulinism

    Melek Yıldız
    Experienced in Congenital Hyperinsulinism

    Melek Yıldız
    Istanbul, TR 

    Melek Yıldız practices practicing medicine in Istanbul, Turkey. Yıldız is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Virilizing Ovarian Tumor, Familial Glucocorticoid Deficiency, Congenital Hyperinsulinism, Thyroidectomy, and Salpingo-Oophorectomy.

    Experienced in Congenital Hyperinsulinism

    Seha K. Saygili
    Experienced in Congenital Hyperinsulinism

    Seha K. Saygili
    Istanbul, TR 

    Seha Saygili practices practicing medicine in Istanbul, Turkey. Saygili is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Diffuse Mesangial Sclerosis, Congenital Nephrotic Syndrome, Adrenal Insufficiency Pediatric, Lithotripsy, and Kidney Transplant.

    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 73

    Last Updated: 04/28/2026

    What is the definition of Congenital Hyperinsulinism?

    Congenital hyperinsulinism is a condition that causes individuals to have abnormally high levels of insulin. Insulin is a hormone that helps control levels of blood glucose, also called blood sugar. People with this condition have frequent episodes of low blood glucose (hypoglycemia). In infants and young children, these episodes are characterized by a lack of energy (lethargy), irritability, or difficulty feeding. Repeated episodes of low blood glucose increase the risk for serious complications such as breathing difficulties, seizures, intellectual disability, vision loss, brain damage, and coma.

    When should I see a Congenital Hyperinsulinism doctor in Istanbul, TR?

    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 Congenital Hyperinsulinism doctor in Istanbul, TR?

    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 Congenital Hyperinsulinism doctor in Istanbul, TR?

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

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    How does MediFind rank Congenital Hyperinsulinism doctors in Istanbul, TR?

    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 Congenital Hyperinsulinism doctors in Istanbul, TR?

    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 Congenital Hyperinsulinism doctor in Istanbul, TR?

    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 Congenital Hyperinsulinism doctor search results page. 

    Why is it important to get a second opinion from a different Congenital Hyperinsulinism 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 Congenital Hyperinsulinism doctor in Istanbul, TR?

    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 Congenital Hyperinsulinism 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 Congenital Hyperinsulinism 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 Congenital Hyperinsulinism doctors in Istanbul, TR?

    Look for the filter feature on the left side of the Congenital Hyperinsulinism 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 Congenital Hyperinsulinism doctor that offers video calls?

    Look for the filter feature on the left-side of the Congenital Hyperinsulinism 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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