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    Last Updated: 01/09/2026

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    MediFind found 220 doctor with experience in Congenital Hyperinsulinism near California, US. Of these, 196 are Experienced, 19 are Advanced and 5 are Distinguished.

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    LocationClose
    220 providers found
      Distinguished in Congenital Hyperinsulinism
      Distinguished in Congenital Hyperinsulinism
      31852 Coast Hwy, Suite 202, 
      Laguna Beach, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Gabrielle O'connor is an Endocrinologist in Laguna Beach, California. Dr. O'connor is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Congenital Hyperinsulinism, Low Blood Sugar, Hypothyroidism, and Obesity in Children.

      Distinguished in Congenital Hyperinsulinism
      Internal Medicine
      Distinguished in Congenital Hyperinsulinism
      Internal Medicine
      501 South Buena Vista Street, 
      Burbank, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Eric Feit is a primary care provider, practicing in Internal Medicine in Burbank, California. Dr. Feit is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Congenital Hyperinsulinism, Low Blood Sugar, Acute Cystitis, Gastrostomy, and Ureteroscopy. Dr. Feit is currently accepting new patients.

      Marcelina Ibanez
      Advanced in Congenital Hyperinsulinism
      Family Medicine
      Advanced in Congenital Hyperinsulinism
      Family Medicine
      8100 Timberlake Way, Suite C, 
      Sacramento, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Marcelina Ibanez is a primary care provider, practicing in Family Medicine in Sacramento, California. Dr. Ibanez is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Lesch-Nyhan Syndrome, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Ibanez is currently accepting new patients.

      Learn about our expert tiers
      Distinguished in Congenital Hyperinsulinism
      Internal Medicine
      Distinguished in Congenital Hyperinsulinism
      Internal Medicine

      Livermore Medical Offices

      3000 Las Positas Road, 
      Livermore, CA 
      Languages Spoken:
      English

      Vandana Jain is a primary care provider, practicing in Internal Medicine in Livermore, California. Dr. Jain is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Congenital Hyperinsulinism, Turner Syndrome, Low Blood Sugar, Vaginectomy, and Lymphadenectomy.

      Distinguished in Congenital Hyperinsulinism
      Internal Medicine
      Distinguished in Congenital Hyperinsulinism
      Internal Medicine
      1941 Ofarrell St Ste 103, 
      San Mateo, CA 
      Languages Spoken:
      English

      Shan Gao is a primary care provider, practicing in Internal Medicine in San Mateo, California. Dr. Gao is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Mounier-Kuhn Syndrome, Congenital Hyperinsulinism, Tracheobronchopathia Osteoplastica, Vitrectomy, and Endoscopy.

      Distinguished in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Distinguished in Congenital Hyperinsulinism
      Pediatric Endocrinology

      Children's Hospital Los Angeles

      4650 W Sunset Blvd, 
      Los Angeles, CA 
      Languages Spoken:
      English

      Mitchell Geffner is a Pediatric Endocrinologist in Los Angeles, California. Dr. Geffner is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Congenital Adrenal Hyperplasia (CAH), Intersex, Ovarian Overproduction of Androgens, Short Stature (Growth Disorders), and Hormone Replacement Therapy (HRT).

      Advanced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Advanced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      2650 Elm Ave, Ste # 210, 
      Long Beach, CA 
      Languages Spoken:
      English

      Amrit Bhangoo is a Pediatric Endocrinologist in Long Beach, California. Dr. Bhangoo is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Short Stature (Growth Disorders), Panhypopituitarism, Hypogonadism, and Acanthosis Nigricans.

      Ulhas Nadgir
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology

      Sutter Valley Medical Foundation

      2800 L St, 
      Sacramento, CA 
      Languages Spoken:
      English

      Ulhas Nadgir is a Pediatric Endocrinologist in Sacramento, California. Dr. Nadgir is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Pediatric Growth Hormone Deficiency, Growth Hormone Deficiency (GHD), Familial Short Stature (FSS), and Idiopathic Short Stature (ISS).

      Gnanagurudasan Prakasam
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology | Pediatrics
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology | Pediatrics

      Center Of Excellence In Diabetes & Endocrinology Inc

      3814 Auburn Blvd, Ste 72, 
      Sacramento, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Gnanagurudasan Prakasam is a Pediatric Endocrinologist and a Pediatrics provider in Sacramento, California. Dr. Prakasam is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Short Stature (Growth Disorders), Familial Short Stature (FSS), Idiopathic Short Stature (ISS), and Precocious Puberty. Dr. Prakasam is currently accepting new patients.

      Katayoun Lotfi
      Experienced in Congenital Hyperinsulinism
      Endocrinology
      Experienced in Congenital Hyperinsulinism
      Endocrinology

      Sutter Weight Loss Services And Heart And Vascular Services

      851 Cherry Avenue, Suite 4, 
      San Bruno, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Katayoun Lotfi is an Endocrinologist in San Bruno, California. Dr. Lotfi is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Malnutrition, Obesity, Obesity in Children, and Abdominal Obesity Metabolic Syndrome. Dr. Lotfi is currently accepting new patients.

      Marie N. Tumusok
      Experienced in Congenital Hyperinsulinism
      Internal Medicine
      Experienced in Congenital Hyperinsulinism
      Internal Medicine

      2030 Sutter Place Care Center

      2030 Sutter Place, Suite 1000, 
      Davis, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Marie Tumusok is a primary care provider, practicing in Internal Medicine in Davis, California. Dr. Tumusok is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Diabetic Neuropathy, Obesity in Children, Urinary Tract Infection in Children, and Urinary Tract Infection (UTI). Dr. Tumusok is currently accepting new patients.

      Charles C. Shang
      Experienced in Congenital Hyperinsulinism
      Internal Medicine
      Experienced in Congenital Hyperinsulinism
      Internal Medicine
      6135 King Rd., Suite A, 
      Loomis, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Charles Shang is a primary care provider, practicing in Internal Medicine in Loomis, California. Dr. Shang is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol. Dr. Shang is currently accepting new patients.

      Tulsi Sharma
      Advanced in Congenital Hyperinsulinism
      Endocrinology
      Advanced in Congenital Hyperinsulinism
      Endocrinology

      Diabetes And Endocrine Specialties Inc

      7085 N Chestnut Ave Ste 101, 
      Fresno, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Tulsi Sharma is an Endocrinologist in Fresno, California. Dr. Sharma is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), Thyroid Nodule, and Hyperthyroidism.

      Grace S. Kim
      Advanced in Congenital Hyperinsulinism
      Endocrinology
      Advanced in Congenital Hyperinsulinism
      Endocrinology

      Grace Kim MD Endocrine Inc.

      1660 San Carlos Avenue, 
      San Carlos, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Helping patients achieve a better quality of life living with chronic illnesses. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Milk-Alkali Syndrome, Type 2 Diabetes (T2D), Hashimoto Thyroiditis, and Type 1 Diabetes (T1D).

      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology

      CHOC Children's Hospital

      1201 W La Veta Ave, 
      Orange, CA 
      Languages Spoken:
      English

      Mark Daniels is a Pediatric Endocrinologist in Orange, California. Dr. Daniels is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Short Stature (Growth Disorders), Panhypopituitarism, Growth Hormone Deficiency (GHD), and Hypogonadotropic Hypogonadism.

      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology

      CHOC Children's Hospital

      1201 W La Veta Ave, 
      Orange, CA 
      Languages Spoken:
      English

      Daina Dreimane is a Pediatric Endocrinologist in Orange, California. Dr. Dreimane is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Short Stature (Growth Disorders), Idiopathic Short Stature (ISS), Familial Short Stature (FSS), and Growth Hormone Deficiency (GHD).

      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      1201 W La Veta Ave, 
      Orange, CA 
      Languages Spoken:
      English

      Himala Kashmiri is a Pediatric Endocrinologist in Orange, California. Dr. Kashmiri is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Type 1 Diabetes (T1D), Short Stature (Growth Disorders), Swyer Syndrome, and Idiopathic Short Stature (ISS).

      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology

      Childrens Hospital Of Orange County

      1201 W La Veta Ave, 
      Orange, CA 
      Languages Spoken:
      English

      Sejal Patel is a Pediatric Endocrinologist in Orange, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Short Stature (Growth Disorders), Congenital Hypothyroidism, Type 1 Diabetes (T1D), and Hypogonadotropic Hypogonadism.

      Experienced in Congenital Hyperinsulinism
      Internal Medicine
      Experienced in Congenital Hyperinsulinism
      Internal Medicine
      17075 Devonshire Street, Suite 300, 
      Northridge, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Reza Bonabi is a primary care provider, practicing in Internal Medicine in Northridge, California. Dr. Bonabi is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Diabetic Neuropathy, Type 2 Diabetes (T2D), Low Blood Sugar, and Diabetic Nephropathy. Dr. Bonabi is currently accepting new patients.

      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology
      Experienced in Congenital Hyperinsulinism
      Pediatric Endocrinology

      Childrens Hospital Of Orange County

      1201 W La Veta Ave, 
      Orange, CA 
      Languages Spoken:
      English

      Timothy Flannery is a Pediatric Endocrinologist in Orange, California. Dr. Flannery is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Pediatric Growth Hormone Deficiency, Growth Hormone Deficiency (GHD), Short Stature (Growth Disorders), and Sheehan Syndrome.

      Showing 1-20 of 220

      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 California, US?

      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 California, US?

      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 Congenital Hyperinsulinism doctors in California, US?

      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 California, US?

      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 California, US?

      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 California, US?

      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 California, US?

      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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