The 20 Best Glucagonoma Doctors Near Me in fullerton, CA

Find the Top Glucagonoma Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 18 doctor with experience in Glucagonoma near fullerton, CA. Of these, 17 are Experienced and 1 are Advanced.

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18 providers found
    Experienced in Glucagonoma
    General Surgery
    Experienced in Glucagonoma
    General Surgery
    Referral may be required
    1950 Sunny Crest Drive, Suite 2550, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maria Stapfer is a General Surgeon practicing medicine in Fullerton, California. Dr. Stapfer is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Familial Pancreatic Cancer, Pancreatic Cancer, Choledocholithiasis, Pancreatectomy, and Small Bowel Resection. Dr. Stapfer is currently accepting new patients.

    Experienced in Glucagonoma
    General Surgery
    Experienced in Glucagonoma
    General Surgery
    Referral may be required

    St. Jude Medical Center

    101 E Valencia Mesa Dr, 
    Fullerton, CA 
     (1.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Selby is a General Surgeon practicing medicine in Fullerton, California. Dr. Selby is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Cholangiocarcinoma (Bile Duct Cancer), Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 2, Pancreatectomy, and Gallbladder Removal.

    Experienced in Glucagonoma
    General Surgery
    Experienced in Glucagonoma
    General Surgery
    Referral may be required

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ronald Wolf is a General Surgeon practicing medicine in Orange, California. Dr. Wolf is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Fistula, Neuroendocrine Tumor, Pancreatic Cancer, Pancreatectomy, and Pancreaticoduodenectomy. Dr. Wolf is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Glucagonoma
    General Surgery
    Advanced in Glucagonoma
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English, German
    Offers Telehealth

    David Imagawa is a General Surgeon practicing medicine in Orange, California. Dr. Imagawa is rated as an Advanced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Familial Pancreatic Cancer, Ampullary Cancer, Gallbladder Removal, and Pancreatectomy. Dr. Imagawa is board certified in American Board Of Surgery - Surgery (General Surgery).

    Experienced in Glucagonoma
    Gastroenterology
    Experienced in Glucagonoma
    Gastroenterology
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Lee is a Gastroenterologist practicing medicine in Orange, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Jaundice, Cholestasis, Bile Duct Stricture, Endoscopy, and Pancreatectomy. Dr. Lee is board certified in American Board Of Internal Medicine - Gastroenterology.

    Experienced in Glucagonoma
    General Surgery
    Experienced in Glucagonoma
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Zeljka Jutric is a General Surgeon practicing medicine in Orange, California. Dr. Jutric is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Pancreatic Cancer, Gallbladder Cancer, Gallbladder Disease, Gallbladder Removal, and Pancreatectomy.

    Experienced in Glucagonoma
    Gastroenterology
    Experienced in Glucagonoma
    Gastroenterology
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jason Samarasena is a Gastroenterologist practicing medicine in Orange, California. Dr. Samarasena is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Samarasena is board certified in American Board Of Internal Medicine - Gastroenterology.

    Experienced in Glucagonoma
    Hematology | Oncology
    Experienced in Glucagonoma
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jason Zell is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Zell is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Colonoscopy, and Endoscopy. Dr. Zell is board certified in American Board Of Internal Medicine - Medical Oncology.

    Experienced in Glucagonoma
    Hematology | Oncology
    Experienced in Glucagonoma
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Emad Elquza is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Elquza is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Pancreatic Cancer, and Lynch Syndrome. Dr. Elquza is board certified in American Board Of Internal Medicine - Medical Oncology.

    Experienced in Glucagonoma
    Experienced in Glucagonoma
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English, Farsi, German
    Offers Telehealth

    Farshid Dayyani is an Oncologist practicing medicine in Orange, California. Dr. Dayyani is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Stomach Cancer, Cholangiocarcinoma (Bile Duct Cancer), Familial Colorectal Cancer, Tissue Biopsy, and Endoscopy. Dr. Dayyani is board certified in American Board Of Internal Medicine - Medical Oncology.

    Experienced in Glucagonoma
    General Surgery
    Experienced in Glucagonoma
    General Surgery
    Referral may be required

    Hisham M El-Bayar

    1010 W La Veta Ave, 
    Orange, CA 
     (7.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Hisham Bayar is a General Surgeon practicing medicine in Orange, California. Dr. Bayar is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Familial Pancreatic Cancer, Familial Colorectal Cancer, Hernia, Pancreatectomy, and Splenectomy. Dr. Bayar is board certified in American Board Of Surgery. Dr. Bayar is currently accepting new patients.

    Experienced in Glucagonoma
    Gastroenterology
    Experienced in Glucagonoma
    Gastroenterology
    Referral may be required

    Genesis Healthcare Partners PC

    1010 W La Veta Ave, 
    Orange, CA 
     (7.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hardeep Singh is a Gastroenterologist practicing medicine in Orange, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Esophageal Varices, Familial Pancreatic Cancer, Gastrostomy, and Gastrectomy. Dr. Singh is board certified in American Board Of Internal Medicine. Dr. Singh is currently accepting new patients.

    Experienced in Glucagonoma
    Internal Medicine
    Experienced in Glucagonoma
    Internal Medicine

    Oncology Physicians Network Of California PC

    8135 Painter Ave, 
    Whittier, CA 
     (9.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Merrill Shum is a primary care provider, practicing in Internal Medicine in Whittier, California. Dr. Shum is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Colorectal Cancer, Familial Colorectal Cancer, and Multiple Myeloma. Dr. Shum is board certified in American Board Of Internal Medicine.

    Experienced in Glucagonoma
    Internal Medicine
    Experienced in Glucagonoma
    Internal Medicine

    Compassionate Cancer Care Medical Group Inc.

    11180 Warner Ave, 
    Fountain Valley, CA 
     (10.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Derrick Su is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Su is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Splenic Neoplasm, Thrombocytopenia, Lung Cancer, and Thalassemia. Dr. Su is board certified in American Board Internal Medicine.

    Experienced in Glucagonoma
    Gastroenterology
    Experienced in Glucagonoma
    Gastroenterology
    Referral may be required

    MemorialCare Medical Group

    18035 Brookhurst St, 
    Fountain Valley, CA 
     (11.8 miles away)
    Languages Spoken:
    English

    Richard Zelner is a Gastroenterologist practicing medicine in Fountain Valley, California. Dr. Zelner is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Gastroesophageal Reflux Disease (GERD), Insulinoma, and Esophageal Cancer.

    Experienced in Glucagonoma
    Hematology | Oncology
    Experienced in Glucagonoma
    Hematology | Oncology
    Referral may be required

    Cancer And Blood Specialty Clinic

    9940 Talbert Ave Ste 204, 
    Fountain Valley, CA 
     (11.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Collin Vu is a Hematologist and an Oncologist practicing medicine in Fountain Valley, California. Dr. Vu is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Anemia, Pleuropulmonary Blastoma, Lung Adenocarcinoma, and Small Cell Lung Cancer (SCLC). Dr. Vu is board certified in Internal Medicine (Sub: Medical Oncology), Internal Medicine (Sub: Hematology), and Internal Medicine. Dr. Vu is currently accepting new patients.

    Experienced in Glucagonoma
    Internal Medicine
    Experienced in Glucagonoma
    Internal Medicine

    R. Nandan Md, Inc.

    3650 South St, 
    Lakewood, CA 
     (12.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Raghu Nandan is a primary care provider, practicing in Internal Medicine in Lakewood, California. Dr. Nandan is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Anemia, Thrombocytopenia, Lung Cancer, and Febrile Neutropenia. Dr. Nandan is board certified in American Board Of Internal Medicine. Dr. Nandan is currently accepting new patients.

    Experienced in Glucagonoma
    Gastroenterology
    Experienced in Glucagonoma
    Gastroenterology
    Referral may be required

    Jay P Diliberto MD

    18800 Delaware St Ste 850, 
    Huntington Beach, CA 
     (13.1 miles away)
    Languages Spoken:
    English

    Jay Diliberto is a Gastroenterologist practicing medicine in Huntington Beach, California. Dr. Diliberto is rated as an Experienced provider by MediFind in the treatment of Glucagonoma. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, and Hemorrhoids.

    Showing 1-18 of 18

    Last Updated: 09/26/2026

    What is the definition of Glucagonoma?

    Glucagonoma is a very rare tumor of islet cells of the pancreas, which leads to an excess of the hormone glucagon in the blood.

    When should I see a Glucagonoma doctor near fullerton, 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 Glucagonoma doctor near fullerton, 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 Glucagonoma doctors near fullerton, 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 Glucagonoma doctors near fullerton, 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 Glucagonoma doctor near fullerton, 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 Glucagonoma doctor search results page. 

    Why is it important to get a second opinion from a different Glucagonoma 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 Glucagonoma doctor near fullerton, 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 Glucagonoma 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 Glucagonoma 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 Glucagonoma doctors near fullerton, CA?

    Look for the filter feature on the left side of the Glucagonoma 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 Glucagonoma doctor that offers video calls?

    Look for the filter feature on the left-side of the Glucagonoma 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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