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    Last Updated: 01/09/2026

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    MediFind found 75 doctor with experience in Congenital Hyperinsulinism near Istanbul, TR. Of these, 62 are Experienced, 9 are Advanced and 4 are Distinguished.

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    75 providers found
      Distinguished in Congenital Hyperinsulinism

      Firdevs Bas
      Distinguished in Congenital Hyperinsulinism

      Firdevs Bas
      Istanbul, TR 

      Firdevs Bas practices in Istanbul, Turkey. Bas is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Intersex, Turner Syndrome, Precocious Puberty, Hormone Replacement Therapy (HRT), and Salpingo-Oophorectomy.

      Distinguished in Congenital Hyperinsulinism

      Feyza Darendeliler
      Distinguished in Congenital Hyperinsulinism

      Feyza Darendeliler
      Istanbul, TR 

      Feyza Darendeliler practices in Istanbul, Turkey. Ms. Darendeliler is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Intersex, Turner Syndrome, Congenital Adrenal Hyperplasia (CAH), Hormone Replacement Therapy (HRT), and Salpingo-Oophorectomy.

      Distinguished in Congenital Hyperinsulinism

      Ruveyde Bundak
      Distinguished in Congenital Hyperinsulinism

      Ruveyde Bundak
      Istanbul, TR 

      Ruveyde Bundak practices in Istanbul, Turkey. Bundak is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are 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
      Istanbul, TR 

      Gonul Catlı practices in Istanbul, Turkey. Catlı is rated as a Distinguished expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Obesity in Children, Intersex, Hypothyroidism, and Breast Enlargement In Males.

      Advanced in Congenital Hyperinsulinism

      Ilker T. Ozgen
      Advanced in Congenital Hyperinsulinism

      Ilker T. Ozgen
      Kucukcekmece, TR 

      Ilker Ozgen practices in Kucukcekmece, Turkey. Ozgen is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Congenital Hyperinsulinism, Obesity in Children, Precocious Puberty, and Obesity.

      Advanced in Congenital Hyperinsulinism

      Emel Torun
      Advanced in Congenital Hyperinsulinism

      Emel Torun
      Vatan Street, 
      Fatih, TR 

      Emel Torun practices in Fatih, Turkey. Torun is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are 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 in Istanbul, Turkey. Mr. Cesur is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Congenital Hyperinsulinism, Obesity in Children, Congenital Hypothyroidism, and Hypothyroidism.

      Advanced in Congenital Hyperinsulinism

      Banu K. Aydin
      Advanced in Congenital Hyperinsulinism

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

      Banu Aydin practices in Ihlas Marmara Evleri - I. Kisim, Turkey. Ms. Aydin is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Intersex, Turner Syndrome, Obesity in Children, and Congenital Hyperinsulinism.

      Advanced in Congenital Hyperinsulinism

      Ahmet Y. Ucar
      Advanced in Congenital Hyperinsulinism

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

      Ahmet Ucar practices in Sisli, Turkey. Mr. Ucar is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Wolcott Rallison Syndrome, Intersex, Turner Syndrome, and Addison's Disease.

      Advanced in Congenital Hyperinsulinism

      Nurcin E. Saka
      Advanced in Congenital Hyperinsulinism

      Nurcin E. Saka
      Istanbul, TR 

      Nurcin Saka practices in Istanbul, Turkey. Saka is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are 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 in Istanbul, Turkey. Poyrazoglu is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Intersex, Turner Syndrome, Congenital Adrenal Hyperplasia (CAH), Hormone Replacement Therapy (HRT), and Salpingo-Oophorectomy.

      Advanced in Congenital Hyperinsulinism

      Teoman Akcay
      Advanced in Congenital Hyperinsulinism

      Teoman Akcay

      Istinye University Medical Park Gaziosmanpasa Hospital

      Istinye, TR 

      Teoman Akcay practices in Istinye, Turkey. Mr. Akcay is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Intersex, Congenital Adrenal Hyperplasia (CAH), Congenital Hyperinsulinism, and Newborn Low Blood Sugar.

      Advanced in Congenital Hyperinsulinism

      Bulent Hacıhamdioglu
      Advanced in Congenital Hyperinsulinism

      Bulent Hacıhamdioglu
      Istanbul, TR 

      Bulent Hacıhamdioglu practices in Istanbul, Turkey. Hacıhamdioglu is rated as an Advanced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Glycogen Storage Disease Type 0, Addison's Disease, Donohue Syndrome, and Congenital Hyperinsulinism.

      Kemal Sarica
      Experienced in Congenital Hyperinsulinism

      Kemal Sarica
      Experienced in Congenital Hyperinsulinism

      Kemal Sarica
      Istanbul, TR 

      Kemal Sarica practices in Istanbul, Turkey. Mr. Sarica is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are 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 in Ihlas Marmara Evleri - I. Kisim, Turkey. Ulucan is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are 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 in Sariyer, Turkey. Ms. Kalyoncu is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Congenital Hyperinsulinism, Tenesmus, Malabsorption, and Celiac Disease.

      Experienced in Congenital Hyperinsulinism

      Cengiz K. Kara
      Experienced in Congenital Hyperinsulinism

      Cengiz K. Kara
      Istinye, TR 

      Cengiz Kara practices in Istinye, Turkey. Mr. Kara is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Neonatal Hypothyroidism, Congenital Hypothyroidism, Hypothyroidism, Lithotripsy, and Ureteroscopy.

      Experienced in Congenital Hyperinsulinism

      Ferhat Cekmez
      Experienced in Congenital Hyperinsulinism

      Ferhat Cekmez
      Istanbul, TR 

      Ferhat Cekmez practices in Istanbul, Turkey. Cekmez is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Necrotizing Enterocolitis, Neonatal Sepsis, Congenital Hyperinsulinism, and Necrosis.

      Experienced in Congenital Hyperinsulinism

      Ceren Cetin
      Experienced in Congenital Hyperinsulinism

      Ceren Cetin
      Istanbul, TR 

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

      Experienced in Congenital Hyperinsulinism

      Seha K. Saygili
      Experienced in Congenital Hyperinsulinism

      Seha K. Saygili
      Istanbul, TR 

      Seha Saygili practices in Istanbul, Turkey. Saygili is rated as an Experienced expert by MediFind in the treatment of Congenital Hyperinsulinism. Their top areas of expertise are Diffuse Mesangial Sclerosis, Congenital Nephrotic Syndrome, Membranoproliferative Glomerulonephritis, 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 75

      Last Updated: 01/09/2026

      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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