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

Find the Top Gastrointestinal Stromal Tumor Experts and Specialists

Last Updated: 04/28/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 40 doctor with experience in Gastrointestinal Stromal Tumor near Mission Viejo, CA. Of these, 38 are Experienced and 2 are Advanced.

Location
LocationClose
40 providers found
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    27799 Medical Center Road, Suite 460, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    George Miranda is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Miranda 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 Familial Colorectal Cancer, Colorectal Cancer, Pleuropulmonary Blastoma, and Lung Cancer.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    27799 Medical Center Road, Suite 460, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Hu is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Hu 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 Metastatic Brain Tumor, Lung Cancer, Pleuropulmonary Blastoma, and Pulmonary Embolism. Dr. Hu is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    27799 Medical Center Road, Suite 460, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Minch Fong is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Laryngeal Cancer, Pleuropulmonary Blastoma, Primitive Neuroectodermal Tumor (PNET), and Posterior Fossa Tumor. Dr. Fong is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Wanjun Bae is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Bae 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 Familial Adenomatous Polyposis, Diverticular Disease, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy. Dr. Bae is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    27799 Medical Center Road, Suite 460, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Fen Jiang is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Jiang is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Bone Marrow Aspiration. Dr. Jiang is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology Oncology
    26732 Crown Valley Parkway, Suite 271, 
    Mission Viejo, CA 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nawid Sarwari is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Sarwari 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 Drug-Induced Thrombocytopenia, Thrombocytopenia, Familial Colorectal Cancer, and Breast Cancer. Dr. Sarwari is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    Office

    24451 Health Center Dr, 
    Laguna Hills, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Tze-kong Meng is a Radiologist practicing medicine in Laguna Hills, California. Dr. Meng 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 ALK-Positive Non-Small Cell Lung Cancer, Pleurisy, Gallbladder Disease, and Pleural Effusion.

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

    Office

    24451 Health Center Dr, 
    Laguna Hills, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    James Wong is a Radiologist practicing medicine in Laguna Hills, California. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteopenia.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    MemorialCare Saddleback

    24451 Health Center Dr, 
    Laguna Hills, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Michael Wang is a Radiologist practicing medicine in Laguna Hills, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Ascites, Pleurisy, Pleural Effusion, Bone Marrow Aspiration, and Gastrostomy.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    Office

    24451 Health Center Dr, 
    Laguna Hills, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Richard Wasley is a Radiologist practicing medicine in Laguna Hills, California. Dr. Wasley is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Melorheostosis with Osteopoikilosis, Melorheostosis, Osteopenia, and Pleurisy.

    Advanced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Advanced in Gastrointestinal Stromal Tumor
    Gastroenterology

    Mj Medical Group Inc

    26501 Rancho Pkwy S, 
    Lake Forest, CA 
     (3.7 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    Mohammad Jamal is a Gastroenterologist practicing medicine in Lake Forest, California. He has been practicing medicine for over 41 years. Dr. Jamal is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 105 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy. Dr. Jamal is board certified in American Board Of Internal Medicine.

    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology

    Gastroenterology And Endoscopy Institute Of Orange County

    26732 Crown Valley Pkwy Ste 241, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English

    Ahmad Shaban is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Shaban 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 Diverticular Disease, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology | Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology | Oncology

    Edward A. Wagner, MD

    24411 Health Center Dr Ste 620, 
    Laguna Hills, CA 
     (2.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edward Wagner is a Hematologist and an Oncologist practicing medicine in Laguna Hills, California. Dr. Wagner is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Follicular Lymphoma, Paget Disease of the Breast, Breast Cancer, and Familial Colorectal Cancer. Dr. Wagner is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Internal Medicine
    Experienced in Gastrointestinal Stromal Tumor
    Internal Medicine

    Oncology Physicians Network Of California PC

    Laguna Hills, CA 
     (2.3 miles away)
    Experience:
    11+ years
    Languages Spoken:
    English
    Offers Telehealth

    Pete Pow is an Internal Medicine provider practicing medicine in Laguna Hills, California. He has been practicing medicine for over 11 years. Dr. Pow is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Splenic Neoplasm, Deep Vein Thrombosis, Angiosarcoma, and Inflammatory Breast Cancer. Dr. Pow is board certified in American Board Internal Medicine.

    Experienced in Gastrointestinal Stromal Tumor
    Internal Medicine
    Experienced in Gastrointestinal Stromal Tumor
    Internal Medicine

    Oncology Physicians Network Of California PC

    Laguna Hills, CA 
     (2.3 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Peyman Salimi is an Internal Medicine provider practicing medicine in Laguna Hills, California. He has been practicing medicine for over 24 years. Dr. Salimi is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Idiopathic Pulmonary Hemosiderosis, Hemosiderosis, Splenic Neoplasm, and Anemia. Dr. Salimi is board certified in American Board Of Internal Medicine.

    Experienced in Gastrointestinal Stromal Tumor
    General Surgery
    Experienced in Gastrointestinal Stromal Tumor
    General Surgery

    South Orange County Surg Med Grp Inc

    27799 Medical Center Rd, 
    Mission Viejo, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    John Shaver is a General Surgeon practicing medicine in Mission Viejo, California. Dr. Shaver 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 Hernia, Paget Disease of the Breast, Gallbladder Disease, Hernia Surgery, and Lymphadenectomy. Dr. Shaver is board certified in American Board Of Surgery.

    Experienced in Gastrointestinal Stromal Tumor
    General Surgery
    Experienced in Gastrointestinal Stromal Tumor
    General Surgery

    South Orange County Surg Med Grp Inc

    27799 Medical Center Rd, 
    Mission Viejo, CA 
     (2.6 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English

    Ahmad Abbass is a General Surgeon practicing medicine in Mission Viejo, California. He has been practicing medicine for over 24 years. Dr. Abbass is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Colorectal Cancer, Familial Colorectal Cancer, Small Bowel Resection, and Pancreatectomy. Dr. Abbass is board certified in American Board Of Surgery.

    Experienced in Gastrointestinal Stromal Tumor
    General Surgery
    Experienced in Gastrointestinal Stromal Tumor
    General Surgery

    South Orange County Surg Med Grp Inc

    27799 Medical Center Rd, 
    Mission Viejo, CA 
     (2.6 miles away)
    Experience:
    16+ years
    Languages Spoken:
    English

    Louise Bacon is a General Surgeon practicing medicine in Mission Viejo, California. She has been practicing medicine for over 16 years. Dr. Bacon is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Hernia, Umbilical Hernia, Gallbladder Disease, Gastrectomy, and Hernia Surgery. Dr. Bacon is board certified in American Board Of Surgery.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    Sarah Hassan, MD

    24411 Health Center Dr Ste 320, 
    Laguna Hills, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sarah Hassan is an Oncologist practicing medicine in Laguna Hills, California. Dr. Hassan is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Angiosarcoma, Breast Cancer, and Paget Disease of the Breast.

    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology

    Mj Medical Group Inc

    26501 Rancho Pkwy S, 
    Lake Forest, CA 
     (3.7 miles away)
    Experience:
    12+ years
    Languages Spoken:
    English

    Eric Szu is a Gastroenterologist practicing medicine in Lake Forest, California. He has been practicing medicine for over 12 years. Dr. Szu is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 54 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gastritis, Hereditary Pancreatitis, Gastrectomy, and Colonoscopy. Dr. Szu is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 40

    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 Mission Viejo, 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 Mission Viejo, 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 Mission Viejo, 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 Mission Viejo, 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 Mission Viejo, 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 Mission Viejo, 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 Mission Viejo, 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 

    Read more about our Content Policy