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    Last Updated: 10/30/2025

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    MediFind found 78 doctor with experience in Zollinger-Ellison Syndrome near California, US. Of these, 67 are Experienced, 10 are Advanced and 1 are Distinguished.

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    78 providers found
      Distinguished in Zollinger-Ellison Syndrome
      Gastroenterology
      Distinguished in Zollinger-Ellison Syndrome
      Gastroenterology

      The Regents Of The University Of California

      100 Medical Plaza, 
      Los Angeles, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Joseph Pisegna is a Gastroenterologist in Los Angeles, California. Dr. Pisegna is rated as a Distinguished provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Zollinger-Ellison Syndrome, Neuroendocrine Tumor, Non-Alcoholic Fatty Liver Disease, Colonoscopy, and Endoscopy.

      Geoffrey W. Krampitz
      Advanced in Zollinger-Ellison Syndrome
      General Surgery
      Advanced in Zollinger-Ellison Syndrome
      General Surgery

      Burlingame Center

      1501 Trousdale Drive, Building B, Floor 5, 
      Burlingame, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Geoffrey Krampitz is a General Surgeon in Burlingame, California. Dr. Krampitz is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Zollinger-Ellison Syndrome, Gallbladder Adenocarcinoma, Pancreatic Islet Cell Tumor, Pancreaticoduodenectomy, and Pancreatectomy. Dr. Krampitz is currently accepting new patients.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Mick S. Meiselman
      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology
      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology

      Sansum Clinic Pueblo Multi-Specialty Clinic

      317 West Pueblo Street, 
      Santa Barbara, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Mick Meiselman is a Gastroenterologist in Santa Barbara, California. Dr. Meiselman is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Pancreatic Pseudocyst, Bile Duct Obstruction, Cholestasis, Pancreatectomy, and Endoscopy.

      Learn about our expert tiers
      Advanced in Zollinger-Ellison Syndrome
      General Surgery | Surgical Oncology
      Advanced in Zollinger-Ellison Syndrome
      General Surgery | Surgical Oncology
      500 Pasteur Dr, Fl 3, 
      Palo Alto, CA 
      Languages Spoken:
      English

      Deshka Foster is a General Surgeon and a Surgical Oncologist in Palo Alto, California. Dr. Foster is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. Her top areas of expertise are Zollinger-Ellison Syndrome, Epidermoid Cyst, Pancreatic Cancer, Pancreaticoduodenectomy, and Appendectomy.

      Advanced in Zollinger-Ellison Syndrome
      General Surgery
      Advanced in Zollinger-Ellison Syndrome
      General Surgery

      Stanford Health Care

      300 Pasteur Dr, 
      Stanford, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Brendan Visser is a General Surgeon in Stanford, California. Dr. Visser is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Pancreatic Cancer, Neuroendocrine Tumor, Cholangiocarcinoma (Bile Duct Cancer), Pancreatectomy, and Hepatectomy.

      Advanced in Zollinger-Ellison Syndrome
      General Surgery
      Advanced in Zollinger-Ellison Syndrome
      General Surgery

      Stanford Health Care

      300 Pasteur Dr, 
      Stanford, CA 
      Languages Spoken:
      English
      Offers Telehealth

      George Poultsides is a General Surgeon in Stanford, California. Dr. Poultsides is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Cholangiocarcinoma (Bile Duct Cancer), Neuroendocrine Tumor, Gallbladder Cancer, Hepatectomy, and Pancreatectomy.

      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology
      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology

      Gi Excellence Inc

      1003 E Florida Ave, Suite 101, 
      Hemet, CA 
      Languages Spoken:
      English

      Milan Chakrabarty is a Gastroenterologist in Hemet, California. Dr. Chakrabarty is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, and Colonic Malakoplakia.

      Advanced in Zollinger-Ellison Syndrome
      Internal Medicine
      Advanced in Zollinger-Ellison Syndrome
      Internal Medicine

      Omni Family Health

      2505 Merced St, 
      Fresno, CA 
      Languages Spoken:
      English, Spanish
      Offers Telehealth

      Jose Bautista is a primary care provider, practicing in Internal Medicine in Fresno, California. Dr. Bautista is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology
      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology

      Kaiser Permanente Vallejo Medical Center - Gastroenterology (GI)

      975 Sereno Drive, Med Offices 2nd Fl Dept #212, 
      Vallejo, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Maneesh Singh is a Gastroenterologist in Vallejo, California. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Zollinger-Ellison Syndrome, Familial Colorectal Cancer, Intestinal Cancer, Colonoscopy, and Endoscopy. Dr. Singh is currently accepting new patients.

      Advanced in Zollinger-Ellison Syndrome
      Internal Medicine
      Advanced in Zollinger-Ellison Syndrome
      Internal Medicine

      Regents Of The University Of California

      101 The City Dr S, 
      Orange, CA 
      Experience:
      9+ years
      Languages Spoken:
      English
      Offers Telehealth

      Gregory Lam is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Lam has been practicing medicine for over 9 years and is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Zollinger-Ellison Syndrome, Hypertrophic Cardiomyopathy (HCM), Subvalvular Aortic Stenosis, and Migraine.

      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology
      Advanced in Zollinger-Ellison Syndrome
      Gastroenterology

      The Regents Of The University Of California

      100 Medical Plz, Suite 310, 
      Los Angeles, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Adrienne Lenhart is a Gastroenterologist in Los Angeles, California. Dr. Lenhart is rated as an Advanced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. Her top areas of expertise are Irritable Bowel Syndrome (IBS), Zollinger-Ellison Syndrome, Colitis, Endoscopy, and Splenectomy.

      Michaela Simoncini
      Experienced in Zollinger-Ellison Syndrome
      General Surgery
      Experienced in Zollinger-Ellison Syndrome
      General Surgery

      Mills-Peninsula Medical Center

      1501 Trousdale Drive, 
      Burlingame, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Michaela Simoncini is a General Surgeon in Burlingame, California. Dr. Simoncini is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. Her top areas of expertise are Zollinger-Ellison Syndrome, Multiple Endocrine Neoplasia Type 1, Peptic Ulcer, and Multiple Endocrine Neoplasia. Dr. Simoncini is currently accepting new patients.

      Electron Kebebew
      Experienced in Zollinger-Ellison Syndrome
      General Surgery
      Experienced in Zollinger-Ellison Syndrome
      General Surgery

      Stanford Health Care

      300 Pasteur Dr, 
      Stanford, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Electron Kebebew is a General Surgeon in Stanford, California. Dr. Kebebew is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Adrenal Cancer, Pheochromocytoma, Thyroid Cancer, Parathyroidectomy, and Thyroidectomy.

      Brian P. Riff
      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology
      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology
      1211 West La Palma Avenue, Suite 306, 
      Anaheim, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Brian Riff is a Gastroenterologist in Anaheim, California. Dr. Riff is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Campylobacter Infection, Gastrostomy, and Gastrectomy. Dr. Riff is currently accepting new patients.

      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology
      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology

      Hoag Clinic

      500 Superior Ave, Suite 270, 
      Newport Beach, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Jennifer Phan is a Gastroenterologist in Newport Beach, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Colonoscopy.

      Experienced in Zollinger-Ellison Syndrome
      General Surgery
      Experienced in Zollinger-Ellison Syndrome
      General Surgery
      2121 Santa Monica Boulevard, 
      Santa Monica, CA 
      Languages Spoken:
      English

      Hilary Keller is a General Surgeon in Santa Monica, California. Dr. Keller is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. Her top areas of expertise are Zollinger-Ellison Syndrome, Parathyroid Cancer, Multiple Endocrine Neoplasia Type 1, and Neuroendocrine Tumor.

      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology
      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology

      Fernando Ibarra MD Inc

      309 W Beverly Blvd, 
      Montebello, CA 
      Languages Spoken:
      English

      Fernando Ibarra is a Gastroenterologist in Montebello, California. Dr. Ibarra is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Esophageal Varices, Diverticular Disease, Chronic Erosive Gastritis, Gastrectomy, and Colonoscopy.

      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology
      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology

      Gi Excellence Inc

      1003 E Florida Ave, Suite 101, 
      Hemet, CA 
      Experience:
      43+ years
      Languages Spoken:
      English

      Tahir Qaseem is a Gastroenterologist in Hemet, California. Dr. Qaseem has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Indigestion, Diarrhea, Trichohepatoenteric Syndrome, Gastric Dysmotility, and Gastrectomy.

      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology
      Experienced in Zollinger-Ellison Syndrome
      Gastroenterology

      Digestive Disease Consultants Of Orange County Inc

      113 Waterworks Way, Suite 155, 
      Irvine, CA 
      Languages Spoken:
      English

      Victor Yu is a Gastroenterologist in Irvine, California. Dr. Yu is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gas Bloat Syndrome, Gastrectomy, and Colonoscopy.

      Experienced in Zollinger-Ellison Syndrome
      Internal Medicine
      Experienced in Zollinger-Ellison Syndrome
      Internal Medicine
      8540 South Sepulveda Boulevard, Suite 1006, 
      Los Angeles, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Yulionas Gayauskas is a primary care provider, practicing in Internal Medicine in Los Angeles, California. Dr. Gayauskas is rated as an Experienced provider by MediFind in the treatment of Zollinger-Ellison Syndrome. His top areas of expertise are Alzheimer's Disease, Peyronie Disease, Pneumonia, Gastrostomy, and Colonoscopy. Dr. Gayauskas is currently accepting new patients.

      Showing 1-20 of 78

      Last Updated: 10/30/2025

      What is the definition of Zollinger-Ellison Syndrome?

      Zollinger-Ellison syndrome is a condition in which the body produces too much of the hormone gastrin. Most of the time, a small tumor (gastrinoma) in the pancreas or small intestine is the source of the extra gastrin in the blood.

      When should I see a Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome doctor search results page. 

      Why is it important to get a second opinion from a different Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome doctors in California, US?

      Look for the filter feature on the left side of the Zollinger-Ellison Syndrome 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 Zollinger-Ellison Syndrome doctor that offers video calls?

      Look for the filter feature on the left-side of the Zollinger-Ellison Syndrome 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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