The 20 Best Gastrointestinal Stromal Tumor Doctors Near Me in Anaheim, CA

Find the Top Gastrointestinal Stromal Tumor Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 112 doctor with experience in Gastrointestinal Stromal Tumor near Anaheim, CA. Of these, 99 are Experienced, 11 are Advanced and 2 are Distinguished.

Location
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112 providers found
    Distinguished in Gastrointestinal Stromal Tumor
    Distinguished in Gastrointestinal Stromal Tumor

    Office

    3855 Health Sciences Dr Ste 1102, 
    La Jolla, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Adam Burgoyne is an Oncologist practicing medicine in La Jolla, California. Dr. Burgoyne is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Stromal Tumor, Liver Cancer, Cholangiocarcinoma (Bile Duct Cancer), and Fibrolamellar Carcinoma.

    Distinguished in Gastrointestinal Stromal Tumor
    Distinguished in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Warren Chow is an Oncologist practicing medicine in Orange, California. Dr. Chow is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Synovial Sarcoma, Adult Soft Tissue Sarcoma, Liposarcoma, and Chondrosarcoma.

    Advanced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Advanced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Park is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Park is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Non-Hodgkin Lymphoma, Lung Cancer, and Neuroendocrine Tumor. Dr. Park is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Gastrointestinal Stromal Tumor
    Interventional Radiology
    Experienced in Gastrointestinal Stromal Tumor
    Interventional Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Garrett Ward is an Interventional Radiologist practicing medicine in Orange, California. Dr. Ward is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 2, Visceromegaly, Non-Alcoholic Fatty Liver Disease, and Pancreaticoduodenectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Roozbeh Houshyar is a Radiologist practicing medicine in Orange, California. Dr. Houshyar is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Pelvic Congestion Syndrome, Visceromegaly, Ureterocele, Thyroid Nodule, and Nephrectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Martin Goyenechea is a Radiologist practicing medicine in Orange, California. Dr. Goyenechea is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Colonic Malakoplakia, WT1-Related Wilms Tumor Syndromes, Cholangiocarcinoma (Bile Duct Cancer), and End-Stage Renal Disease (ESRD).

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Rony Kampalath is a Radiologist practicing medicine in Orange, California. Dr. Kampalath is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Progressive Familial Intrahepatic Cholestasis Type 2, Progressive Familial Intrahepatic Cholestasis Type 1, Ureterocele, and Visceromegaly.

    Experienced in Gastrointestinal Stromal Tumor
    Radiology
    Experienced in Gastrointestinal Stromal Tumor
    Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Sonia Lee is a Radiologist practicing medicine in Orange, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Ureterocele, Fibrolamellar Carcinoma, Colonic Malakoplakia, and Intestinal Pseudo-Obstruction.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Marisa Tseng is a Radiologist practicing medicine in Orange, California. Dr. Tseng is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses WT1-Related Wilms Tumor Syndromes, Upper Tract Urothelial Carcinoma (UTUC), Undifferentiated Pleomorphic Sarcoma, and Ureterocele.

    Experienced in Gastrointestinal Stromal Tumor
    Radiology
    Experienced in Gastrointestinal Stromal Tumor
    Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Karen Tran is a Radiologist practicing medicine in Orange, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Visceromegaly, WT1-Related Wilms Tumor Syndromes, Muscle Invasive Bladder Cancer, and Progressive Familial Intrahepatic Cholestasis Type 2.

    Experienced in Gastrointestinal Stromal Tumor
    Radiology
    Experienced in Gastrointestinal Stromal Tumor
    Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Sonya Koo is a Radiologist practicing medicine in Orange, California. Dr. Koo is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Pediatric Low-Grade Glioma (pLGG), Neuroendocrine Tumor, Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, and Parathyroidectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Maryam Momeni is a Radiologist practicing medicine in Orange, California. Dr. Momeni is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Visceromegaly, Undifferentiated Pleomorphic Sarcoma, Rhabdomyosarcoma Embryonal, and End-Stage Renal Disease (ESRD).

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Tariq Hameed is a Radiologist practicing medicine in Orange, California. Dr. Hameed is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Ascites, Progressive Familial Intrahepatic Cholestasis Type 3, Progressive Familial Intrahepatic Cholestasis Type 2, Lithotripsy, and Ureteroscopy.

    Experienced in Gastrointestinal Stromal Tumor
    Radiology
    Experienced in Gastrointestinal Stromal Tumor
    Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Mark Tran is a Radiologist practicing medicine in Orange, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Muscle Invasive Bladder Cancer, Melorheostosis with Osteopoikilosis, Melorheostosis, and Osteopenia.

    Experienced in Gastrointestinal Stromal Tumor
    Radiology
    Experienced in Gastrointestinal Stromal Tumor
    Radiology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Lisa Quane is a Radiologist practicing medicine in Orange, California. Dr. Quane is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Headache, Gallbladder Disease, Ureterocele, and Gastrointestinal Stromal Tumor.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Pejman Hedayati is a Radiologist practicing medicine in Orange, California. Dr. Hedayati is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Non-Alcoholic Fatty Liver Disease, Retroversion of the Uterus, and Lymphofollicular Hyperplasia.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Vahid Yaghmai is a Radiologist practicing medicine in Orange, California. Dr. Yaghmai is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Liver Cancer, Pancreatic Ductal Adenocarcinoma, Urachal Cyst, Liver Embolization, and Hepatectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tariq Mahmood is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Mahmood is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Familial Colorectal Cancer, and Angiosarcoma. Dr. Mahmood is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Xinyu Nan is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Nan is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Deep Vein Thrombosis, Familial Colorectal Cancer, Inflammatory Breast Cancer, Colorectal Cancer, and Bone Marrow Aspiration. Dr. Nan is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Bariatric Medicine | General Surgery
    Experienced in Gastrointestinal Stromal Tumor
    Bariatric Medicine | General Surgery
    1010 West La Veta Avenue, Suite 300, 
    Orange, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sami Hamamji is a General Surgeon and a Bariatric Medicine provider practicing medicine in Orange, California. Dr. Hamamji is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Hernia, Gallstones, Choledocholithiasis, Sleeve Gastrectomy, and Hernia Surgery. Dr. Hamamji is currently accepting new patients.

    Showing 1-20 of 112

    Last Updated: 04/28/2026

    What is the definition of Gastrointestinal Stromal Tumor?

    A gastrointestinal stromal tumor (GIST) is a type of tumor that occurs in the gastrointestinal tract, most commonly in the stomach or small intestine. This type of tumor is thought to grow from specialized cells found in the gastrointestinal tract called interstitial cells of Cajal (ICCs) or precursors to these cells. Affected individuals can develop one or more tumors. GISTs are usually found in adults between ages 40 and 70; rarely, children and young adults develop this type of tumor.

    When should I see a Gastrointestinal Stromal Tumor doctor near Anaheim, 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 Gastrointestinal Stromal Tumor doctor near Anaheim, 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 Gastrointestinal Stromal Tumor doctors near Anaheim, 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 Gastrointestinal Stromal Tumor doctors near Anaheim, 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 Gastrointestinal Stromal Tumor doctor near Anaheim, 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 Gastrointestinal Stromal Tumor doctor search results page. 

    Why is it important to get a second opinion from a different Gastrointestinal Stromal Tumor 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 Gastrointestinal Stromal Tumor doctor near Anaheim, 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 Gastrointestinal Stromal Tumor 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 Gastrointestinal Stromal Tumor 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 Gastrointestinal Stromal Tumor doctors near Anaheim, CA?

    Look for the filter feature on the left side of the Gastrointestinal Stromal Tumor 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 Gastrointestinal Stromal Tumor doctor that offers video calls?

    Look for the filter feature on the left-side of the Gastrointestinal Stromal Tumor 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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