The 20 Best Congenital Hyperinsulinism Doctors Near Me in San Jose, CA

Find the Top Congenital Hyperinsulinism Experts and Specialists

Last Updated: 09/19/2026

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MediFind found 233 doctor with experience in Congenital Hyperinsulinism near San Jose, CA. Of these, 209 are Experienced, 21 are Advanced and 3 are Distinguished.

Location
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233 providers found
    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.

    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 18 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.

    Learn about our expert tiers
    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, Mitochondrial Complex V Deficiency, and Cytochrome C Oxidase 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

    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.

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

    Beaver Medical Group PC

    33758 Yucaipa Blvd, 
    Yucaipa, CA 
    Languages Spoken:
    English

    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, Autoerythrocyte Sensitivity, Purpura, and Gardner-Diamond Syndrome.

    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
    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.

    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, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. 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

    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, Type 2 Diabetes (T2D), Hypertension, Tubal Ligation, and Intrauterine Device Insertion.

    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

    Ampla Health Chico Medical Dental & Pediatrics

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

    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, Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Intrauterine Device Insertion.

    Experienced in Congenital Hyperinsulinism
    Experienced in Congenital Hyperinsulinism

    Imperial County Behavoral Health Services

    223 W Cole Blvd, 
    Calexico, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Francisco Ordaz-Chavez is a primary care provider, practicing in Family Medicine in Calexico, 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.

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

    Eisenhower Medical Center

    1555 S Palm Canyon Dr Bldg C, 
    Palm Springs, CA 
    Languages Spoken:
    English
    Offers Telehealth

    James Gaede is a primary care provider, practicing in Family Medicine in Palm Springs, California. Dr. Gaede is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Hyper IgE Syndrome, Autosomal Dominant Hyper IgE Syndrome, Aspergillosis, and Pulmonary Aspergilloma.

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

    Visalia Medical Clinic Inc.

    5400 W Hillsdale Ave, 
    Visalia, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Robert Allen is a primary care provider, practicing in Family Medicine in Visalia, California. Dr. Allen is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 237 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Type 2 Diabetes (T2D).

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

    Altura Centers For Health

    1101 N Cherry St, 
    Tulare, CA 
    Experience:
    18+ years
    Languages Spoken:
    English

    Bryan Cruz is a primary care provider, practicing in Family Medicine in Tulare, California. He has been practicing medicine for over 18 years. Dr. Cruz is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 186 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Vitamin D Deficiency, and Macroamylasemia.

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

    County Of Stanislaus

    3109 E Whitmore Ave, 
    Ceres, CA 
    Languages Spoken:
    English
    Accepting New Patients

    John English is a primary care provider, practicing in Family Medicine in Ceres, California. Dr. English is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Myelitis, AIDS Dysmorphic Syndrome, HIV/AIDS, Endoscopy, and Intrauterine Device Insertion. Dr. English is currently accepting new patients.

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

    Ravinder Singh, Md, Inc.

    8231 Rochester Ave, 
    Rancho Cucamonga, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 114 other conditions, according to our data. His clinical expertise encompasses Hypertension, Type 2 Diabetes (T2D), COVID-19, Liver Transplant, and Knee Replacement. Dr. Singh is board certified in American Board Of Family Medicine. Dr. Singh is currently accepting new patients.

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

    Dinuba Health Center

    1451 E El Monte Way, 
    Dinuba, CA 
    Languages Spoken:
    English

    Luis Guzman is a primary care provider, practicing in Family Medicine in Dinuba, California. Dr. Guzman is rated as an Experienced provider by MediFind in the treatment of Congenital Hyperinsulinism. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Cirrhosis, and Sinusitis.

    Showing 1-20 of 233

    Last Updated: 09/19/2026

    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 San Jose, 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 San Jose, 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 San Jose, 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 San Jose, 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 San Jose, 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 San Jose, 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 San Jose, 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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