The 20 Best Congenital Hyperinsulinism Doctors Near Me in California, US

Find the Top Congenital Hyperinsulinism Experts and Specialists

The 20 Best Congenital Hyperinsulinism Doctors in California, US

Last Updated: 02/22/2026

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MediFind found 217 doctor with experience in Congenital Hyperinsulinism near California, US. Of these, 195 are Experienced, 18 are Advanced and 4 are Distinguished.

Location
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217 providers found
    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).

    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
    Distinguished in Congenital Hyperinsulinism
    31852 Coast Highway, Suite 202, 
    Laguna Beach, CA 
    Languages Spoken:
    English
    Accepting New Patients

    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. Dr. O'connor is currently accepting new patients.

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

    Eric I. Feit, Phd MD

    2701 W Alameda Ave, 
    Burbank, CA 
    Experience:
    43+ years
    Languages Spoken:
    English

    Eric Feit is a primary care provider, practicing in Internal Medicine in Burbank, California. Dr. Feit has been practicing medicine for over 43 years and 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.

    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Advanced in Congenital Hyperinsulinism
    Endocrinology

    Ampla Health Chico Medical Dental & Pediatrics

    680 Cohasset Rd, 
    Chico, CA 
    Languages Spoken:
    English

    Gopinath Sunil is an Endocrinologist in Chico, California. Dr. Sunil is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Type B Insulin Resistance Syndrome, Abdominal Obesity Metabolic Syndrome, Cytochrome C Oxidase Deficiency, and Mitochondrial Complex V Deficiency.

    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Advanced in Congenital Hyperinsulinism
    Endocrinology

    Office

    16311 Ventura Blvd Ste 850, 
    Encino, CA 
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Eiriny Eskander is an Endocrinologist in Encino, California. Dr. Eskander has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Hashimoto Thyroiditis, Congenital Hyperinsulinism, Low Blood Sugar, and Juvenile Primary Osteoporosis.

    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Advanced in Congenital Hyperinsulinism
    Endocrinology

    USC University Hospital

    1520 San Pablo St Ste 1000, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Kathleen Page is an Endocrinologist in Los Angeles, California. Dr. Page is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Gestational Diabetes, Obesity, Congenital Hyperinsulinism, and Type 2 Diabetes (T2D).

    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Advanced in Congenital Hyperinsulinism
    Endocrinology

    Paul C Norwood MD

    550 E Herndon Ave Ste 101, 
    Fresno, CA 
    Languages Spoken:
    English

    Paul Norwood is an Endocrinologist in Fresno, California. Dr. Norwood is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Type 2 Diabetes (T2D), Diabetic Neuropathy, Maturity Onset Diabetes of the Young, and Low Blood Sugar.

    Advanced in Congenital Hyperinsulinism
    Pediatric Endocrinology
    Advanced in Congenital Hyperinsulinism
    Pediatric Endocrinology

    Stanford Rehabilitation Clinic

    730 Welch Rd, 
    Palo Alto, CA 
    Languages Spoken:
    English

    David Maahs is a Pediatric Endocrinologist in Palo Alto, California. Dr. Maahs is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Type 1 Diabetes (T1D), Low Blood Sugar, Diabetic Ketoacidosis, and Wilson Disease.

    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), Idiopathic Short Stature (ISS), and Familial Short Stature (FSS).

    Michael K. Lai
    Experienced in Congenital Hyperinsulinism
    Endocrinology
    Experienced in Congenital Hyperinsulinism
    Endocrinology

    Central Coast Endocrinology & Diabetes

    Santa Maria, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    I strive to provide my patients with the best medical care possible. Dr. Lai is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Type 2 Diabetes (T2D), Obesity in Children, Maturity Onset Diabetes of the Young, and Hypothyroidism.

    Nasr N. Anees
    Experienced in Congenital Hyperinsulinism
    Family Medicine
    Experienced in Congenital Hyperinsulinism
    Family Medicine

    Clinicas Del Camino Real

    200 S Wells Rd, Ste 200, 
    Ventura, CA 
    Languages Spoken:
    English
    Accepting New Patients

    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. Anees is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Hypertension.

    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.

    Maylene I. Peralta
    Experienced in Congenital Hyperinsulinism
    Experienced in Congenital Hyperinsulinism

    Endocrinology - Dignity Health Medical Group - Redding, CA

    2510 Airpark Drive, Suite 104, 
    Redding, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Personal Interests: Hiking, biking, and travelingI believe in providing every patient with the best available, evidence-based treatment and technology for their condition that is individualized and personalized. I believe in the physician-patient partnership, guiding them to achieve their personal treatment goals, through open-communication and ongoing education. Dr. Peralta is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Maturity Onset Diabetes of the Young, and Thyroid Storm.

    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.

    Masoud M. Azizad
    Experienced in Congenital Hyperinsulinism
    Internal Medicine
    Experienced in Congenital Hyperinsulinism
    Internal Medicine

    Masoud M. Azizad, MD Private Practice

    18433 Roscoe Blvd, Ste 208, 
    Northridge, CA 
    Languages Spoken:
    English, Farsi, Spanish
    Accepting New Patients
    Offers Telehealth

    I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Azizad is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. His top areas of expertise are Papular Urticaria, Bronchitis, Hyperlipoproteinemia Type 5, and Familial Lipoprotein Lipase Deficiency.

    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.

    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.

    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

    Neurology Clinic At Miller Children's & Women's Hospital (Long Beach)

    2880 Atlantic Ave Ste 220, 
    Long Beach, CA 
    Languages Spoken:
    English

    Erin Okawa is a Pediatric Endocrinologist in Long Beach, California. Dr. Okawa is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. Her top areas of expertise are Congenital Hyperinsulinism, Short Stature (Growth Disorders), Idiopathic Short Stature (ISS), and Familial Short Stature (FSS).

    Showing 1-20 of 217

    Last Updated: 02/22/2026

    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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