The 20 Best Congenital Hyperinsulinism Doctors Near Me in Madera, CA

Find the Top Congenital Hyperinsulinism Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 237 doctor with experience in Congenital Hyperinsulinism near Madera, CA. Of these, 209 are Experienced, 24 are Advanced and 4 are Distinguished.

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237 providers found
    Distinguished in Congenital Hyperinsulinism
    Endocrinology
    Distinguished in Congenital Hyperinsulinism
    Endocrinology
    Referral required

    Santa Clara Valley Medical Center

    751 S Bascom Ave, 
    San Jose, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vandana Jain is an Endocrinologist practicing medicine in San Jose, California. Dr. Jain is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Congenital Hyperinsulinism, Intersex, Adrenal Insufficiency Pediatric, Lymphadenectomy, and Endoscopy. Dr. Jain is currently accepting new patients.

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

    Gabrielle O'connor is an Endocrinologist practicing medicine in Laguna Beach, California. Dr. O'connor is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Congenital Hyperinsulinism, Low Blood Sugar, Hypothyroidism, and Obesity in Children. Dr. O'connor is currently accepting new patients.

    Distinguished in Congenital Hyperinsulinism
    Internal Medicine
    Distinguished in Congenital Hyperinsulinism
    Internal Medicine

    Eric I. Feit, Phd MD

    2701 W Alameda Ave, 
    Burbank, CA 
    Languages Spoken:
    English

    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. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Congenital Hyperinsulinism, Low Blood Sugar, Acute Cystitis, Gastrostomy, and Ureteroscopy. Dr. Feit is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Distinguished in Congenital Hyperinsulinism
    Pediatric Endocrinology
    Distinguished in Congenital Hyperinsulinism
    Pediatric Endocrinology
    Referral may be required

    Children's Hospital Los Angeles

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

    Mitchell Geffner is a Pediatric Endocrinologist practicing medicine in Los Angeles, California. Dr. Geffner is rated as a Distinguished provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Congenital Adrenal Hyperplasia (CAH), Intersex, Ovarian Overproduction of Androgens, Short Stature (Growth Disorders), and Hormone Replacement Therapy (HRT). Dr. Geffner is currently accepting new patients.

    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Referral required

    Ampla Health Lindhurst Medical

    4941 Olivehurst Ave, 
    Olivehurst, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Gopinath Sunil is an Endocrinologist practicing medicine in Olivehurst, California. Dr. Sunil is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Type B Insulin Resistance Syndrome, Abdominal Obesity Metabolic Syndrome, Cytochrome C Oxidase Deficiency, and Mitochondrial Complex V Deficiency. Dr. Sunil is currently accepting new patients.

    Advanced in Congenital Hyperinsulinism
    Family Medicine
    Advanced in Congenital Hyperinsulinism
    Family Medicine

    Valley Community Healthcare

    9119 Haskell Ave, 
    North Hills, CA 
    Languages Spoken:
    English
    Accepting New Patients

    David Luna is a primary care provider, practicing in Family Medicine in North Hills, California. Dr. Luna is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 70 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertriglyceridemia, Obesity in Children, and Intrauterine Device Insertion. Dr. Luna is currently accepting new patients.

    Advanced in Congenital Hyperinsulinism
    Family Medicine
    Advanced in Congenital Hyperinsulinism
    Family Medicine

    Beaver Medical Group PC

    33758 Yucaipa Blvd, 
    Yucaipa, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Tonya Yoney is a primary care provider, practicing in Family Medicine in Yucaipa, California. Dr. Yoney is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Purpura. Dr. Yoney is currently accepting new patients.

    Advanced in Congenital Hyperinsulinism
    Family Medicine
    Advanced in Congenital Hyperinsulinism
    Family Medicine

    Marcos Borrero MD. Inc.

    3490 Palm Ave, 
    San Diego, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Marcos Borrero is a primary care provider, practicing in Family Medicine in San Diego, California. Dr. Borrero is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Obesity, Osteomyelitis in Children, and High Cholesterol. Dr. Borrero is currently accepting new patients.

    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

    Nasr Anees is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Anees is rated as an Experienced provider 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 Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Anees is board certified in Family Medicine. Dr. Anees is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Internal Medicine
    Experienced in Congenital Hyperinsulinism
    Internal Medicine

    Ucsf

    1001 Potrero Ave, 
    San Francisco, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Eleanor Schwarz is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Schwarz is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Bronchiectasis, Hypertension, Chronic Cough, Tubal Ligation, and Intrauterine Device Insertion. Dr. Schwarz is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Internal Medicine
    Experienced in Congenital Hyperinsulinism
    Internal Medicine

    Nabil Feghali, MD Private Practice

    8111 Canoga Ave, 
    Canoga Park, CA 
    Languages Spoken:
    English, Arabic, French
    Accepting New Patients

    Nabil Feghali is a primary care provider, practicing in Internal Medicine in Canoga Park, California. Dr. Feghali is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Colonoscopy. Dr. Feghali is board certified in American Board Of Internal Medicine and Internal Medicine. Dr. Feghali is currently accepting new patients.

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

    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. She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Lesch-Nyhan Syndrome, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Ibanez is board certified in Family Medicine. Dr. Ibanez is currently accepting new patients.

    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Advanced in Congenital Hyperinsulinism
    Endocrinology
    Referral required

    Grace Kim MD Endocrine Inc.

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

    Grace Kim is an Endocrinologist practicing medicine in San Carlos, California. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Milk-Alkali Syndrome, Type 2 Diabetes (T2D), Hashimoto Thyroiditis, and Type 1 Diabetes (T1D). Dr. Kim is board certified in Internal Medicine (Sub: Endocrinology, Diabetes & Met. Dr. Kim is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Internal Medicine
    Experienced in Congenital Hyperinsulinism
    Internal Medicine

    Camarena Health

    344 E 6th St, 
    Madera, CA 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Mireya Samaniego is a primary care provider, practicing in Internal Medicine in Madera, California. Dr. Samaniego is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 42 other conditions, according to our data. Her clinical expertise encompasses Papular Urticaria, Vitamin D Deficiency, Type 2 Diabetes (T2D), and Obesity. Dr. Samaniego is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Family Medicine
    Experienced in Congenital Hyperinsulinism
    Family Medicine

    Herndon Dialysis

    560 E Herndon Ave, 
    Fresno, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sami Issa is a primary care provider, practicing in Family Medicine in Fresno, California. Dr. Issa is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Idiopathic Neutropenia, Fish-Eye Disease, Apo A-I Deficiency, and Familial HDL Deficiency. Dr. Issa is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Experienced in Congenital Hyperinsulinism

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kimberly Bekemeier is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Bekemeier is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Obesity, Obesity in Children, Cirrhosis, and High Cholesterol. Dr. Bekemeier is board certified in American Board Of Family Medicine. Dr. Bekemeier is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Family Medicine
    Experienced in Congenital Hyperinsulinism
    Family Medicine

    Camarena Health

    344 E 6th St, 
    Madera, CA 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Joel Ramirez is a primary care provider, practicing in Family Medicine in Madera, California. Dr. Ramirez is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 185 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Type 2 Diabetes (T2D), and Intrauterine Device Insertion. Dr. Ramirez is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Family Medicine
    Experienced in Congenital Hyperinsulinism
    Family Medicine

    United Health Centers Of The San Joaquin Valley

    2705 S Highland Ave, 
    Selma, CA 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Juan Rios is a primary care provider, practicing in Family Medicine in Selma, California. Dr. Rios is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Obesity, Obesity in Children, Food Allergy, and Vitamin D Deficiency. Dr. Rios is board certified in Family Medicine. Dr. Rios is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Family Medicine
    Experienced in Congenital Hyperinsulinism
    Family Medicine

    Ampla Health Chico Medical Dental & Pediatrics

    680 Cohasset Rd, 
    Chico, CA 
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients

    Neha Tyagi is a primary care provider, practicing in Family Medicine in Chico, California. She has been practicing medicine for over 18 years. Dr. Tyagi is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. She is also highly rated in 39 other conditions, according to our data. Her clinical expertise encompasses Maturity Onset Diabetes of the Young, Vitamin B12 Deficiency Anemia, Folate Deficiency, Multiple Carboxylase Deficiency, and Intrauterine Device Insertion. Dr. Tyagi is currently accepting new patients.

    Experienced in Congenital Hyperinsulinism
    Experienced in Congenital Hyperinsulinism

    Clinicas De Salud Del Pueblo Inc

    900 Main St, 
    Brawley, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Francisco Ordaz-Chavez is a primary care provider, practicing in Family Medicine in Brawley, California. Dr. Ordaz-Chavez is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 62 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Obesity in Children, and Food Allergy. Dr. Ordaz-Chavez is currently accepting new patients.

    Showing 1-20 of 237

    Last Updated: 09/26/2026

    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 near Madera, CA?

    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 near Madera, CA?

    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 near Madera, CA?

    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 near Madera, CA?

    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 near Madera, CA?

    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 near Madera, CA?

    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 near Madera, CA?

    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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