The 20 Best Gastrointestinal Stromal Tumor Doctors Near Me in Riverside, 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 44 doctor with experience in Gastrointestinal Stromal Tumor near Riverside, CA. Of these, 41 are Experienced and 3 are Advanced.

Location
LocationClose
44 providers found
    Advanced in Gastrointestinal Stromal Tumor
    Advanced in Gastrointestinal Stromal Tumor

    The Oncology Institute

    4646 Brockton Ave Ste 203, 
    Riverside, CA 
     (3.4 miles away)
    Languages Spoken:
    English

    Muhammad Muslim is an Oncologist practicing medicine in Riverside, California. Dr. Muslim is rated as an Advanced 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 Lung Adenocarcinoma, Large-Cell Lung Carcinoma, Small Cell Lung Cancer (SCLC), Squamous Cell Lung Carcinoma, and Bone Marrow Aspiration.

    Experienced in Gastrointestinal Stromal Tumor
    General Surgery | Surgical Oncology
    Experienced in Gastrointestinal Stromal Tumor
    General Surgery | Surgical Oncology

    Cal Med Physicians & Surgeons, Inc

    400 N Pepper Ave, Ste 308, 
    Colton, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Amir Azar is a General Surgeon and a Surgical Oncologist practicing medicine in Colton, California. Dr. Azar is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His clinical expertise encompasses Colorectal Cancer, Cholangiocarcinoma (Bile Duct Cancer), Liver Cancer, Pancreaticoduodenectomy, and Hepatectomy. Dr. Azar is board certified in Surgery General Surgery. Dr. Azar is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology

    Compassionate Cancer Care Medical Group

    4500 Brockton Ave Ste 107, 
    Riverside, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Brian Choi is a Hematologist practicing medicine in Riverside, California. Dr. Choi is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Acute Monoblastic Leukemia (AmoL), Familial Colorectal Cancer, Colorectal Cancer, and Lynch Syndrome. Dr. Choi is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Gastrointestinal Stromal Tumor
    Hematology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology

    Los Angeles Hematology Oncology Medical Group

    4500 Brockton Ave Ste 107, 
    Riverside, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Laxmi Iyer is a Hematologist practicing medicine in Riverside, California. Dr. Iyer is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Familial Colorectal Cancer, Colorectal Cancer, and Lynch Syndrome.

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

    Los Angeles Hematology Oncology Medical Group

    4500 Brockton Ave Ste 107, 
    Riverside, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Hussein Merza is a Hematologist and an Oncologist practicing medicine in Riverside, California. Dr. Merza is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Splenic Neoplasm, Childhood Iron Deficiency Anemia, Acute Mountain Sickness, and Febrile Neutropenia.

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

    Norco Medical Group, Inc.

    6900 Brockton Ave, 
    Riverside, CA 
     (2.6 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Scott Lee is a Gastroenterologist practicing medicine in Riverside, California. He has been practicing medicine for over 15 years. Dr. Lee 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 Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Familial Adenomatous Polyposis, and Colonoscopy. Dr. Lee is board certified in American Board Of Internal Medicine.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology

    Riverside Medical Clinic Inc.

    3660 Arlington Ave, 
    Riverside, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Ghaleb Saab is a Hematologist practicing medicine in Riverside, California. Dr. Saab is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Acute Mountain Sickness, Angiosarcoma, Childhood Iron Deficiency Anemia, and Inflammatory Breast Cancer.

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

    Riverside Medical Clinic

    3660 Arlington Ave, 
    Riverside, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Hidehisa Takei is a General Surgeon practicing medicine in Riverside, California. Dr. Takei is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hernia, Umbilical Hernia, Juvenile Angiofibroma, Lymphadenectomy, and Carotid Artery Surgery. Dr. Takei is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    The Oncology Institute

    4646 Brockton Ave Ste 203, 
    Riverside, CA 
     (3.4 miles away)
    Languages Spoken:
    English

    Howard Yeh is an Oncologist practicing medicine in Riverside, California. Dr. Yeh is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Lynch Syndrome, and Colorectal Cancer.

    Experienced in Gastrointestinal Stromal Tumor
    Radiology | General Surgery
    Experienced in Gastrointestinal Stromal Tumor
    Radiology | General Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ching-long Ni is a Radiologist and a General Surgeon practicing medicine in Fontana, California. Dr. Ni is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Neonatal Ovarian Cyst, Scoliosis, Fractured Spine, and Tenosynovitis. Dr. Ni is currently accepting new patients.

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

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Raphael Alford is a Pediatric Radiologist practicing medicine in Fontana, California. Dr. Alford 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 Visceromegaly, Ascites, Gallbladder Disease, and Pleural Effusion.

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

    Kaiser Permanente Riverside Medical Center

    10800 Magnolia Ave, 
    Riverside, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    Heather Le is a Radiologist practicing medicine in Riverside, California. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Thyroid Nodule, Neonatal Ovarian Cyst, Idiopathic Short Stature (ISS), and Familial Short Stature (FSS).

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

    Loma Linda Univ Anesthesiology Medical Group Inc

    11234 Anderson St, 
    Loma Linda, CA 
     (8.0 miles away)
    Languages Spoken:
    English

    Cherie Cora is a Radiologist practicing medicine in Loma Linda, California. Dr. Cora is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Breast Lump, Galactocoele, Breast Infection, and Ampullary Cancer.

    Experienced in Gastrointestinal Stromal Tumor
    Neuroradiology
    Experienced in Gastrointestinal Stromal Tumor
    Neuroradiology

    Loma Linda Univ Anesthesiology Medical Group Inc

    11234 Anderson St, 
    Loma Linda, CA 
     (8.0 miles away)
    Languages Spoken:
    English

    Eric Peters is a Neuroradiologist practicing medicine in Loma Linda, California. Dr. Peters is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses X-Linked Intellectual Disability, Siderius Type, Aicardi-Goutieres Syndrome, Mohr-Tranebjaerg Syndrome, and PEHO Syndrome.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    Loma Linda Univ Anesthesiology Medical Group Inc

    11234 Anderson St, 
    Loma Linda, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Girguis is a Radiologist practicing medicine in Loma Linda, California. Dr. Girguis 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 Lung Nodules, Progressive Familial Intrahepatic Cholestasis Type 2, Progressive Familial Intrahepatic Cholestasis Type 1, and Progressive Familial Intrahepatic Cholestasis Type 3.

    Advanced in Gastrointestinal Stromal Tumor
    Internal Medicine
    Advanced in Gastrointestinal Stromal Tumor
    Internal Medicine

    Kim, Dong S., M.D., Inc.

    11441 Heacock St, 
    Moreno Valley, CA 
     (7.8 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dong Kim is a primary care provider, practicing in Internal Medicine in Moreno Valley, California. He has been practicing medicine for over 41 years. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Bronchitis, Insomnia, Restless Legs Syndrome, and Type 2 Diabetes (T2D). Dr. Kim is board certified in American Board Of Internal Medicine.

    Advanced in Gastrointestinal Stromal Tumor
    Advanced in Gastrointestinal Stromal Tumor

    Loma Linda Univ Anesthesiology Medical Group Inc

    11234 Anderson St, 
    Loma Linda, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chung-tsen Hsueh is an Oncologist practicing medicine in Loma Linda, California. Dr. Hsueh is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Bone Tumor, Anal Cancer, Adult Soft Tissue Sarcoma, Pancreaticoduodenectomy, and Bone Marrow Aspiration.

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

    Harvey Nurick, M.D., INC

    7111 Indiana Ave Ste 100, 
    Riverside, CA 
     (5.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Aaron Lee is a General Surgeon practicing medicine in Riverside, California. Dr. Lee is rated as an Experienced 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 Cholecystitis, Gallbladder Disease, Ampullary Cancer, Small Bowel Resection, and Pancreatectomy. Dr. Lee is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Family Medicine
    Experienced in Gastrointestinal Stromal Tumor
    Family Medicine

    Riverside Medical Clinic - Family Practice

    6405 Day St, 
    Riverside, CA 
     (6.4 miles away)
    Languages Spoken:
    English

    Ruben Muradyan is a primary care provider, practicing in Family Medicine in Riverside, California. Dr. Muradyan 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 Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Obesity in Children.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor

    City Of Hope Colton

    400 N Pepper Ave, 
    Colton, CA 
     (6.5 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Siamak Saadat is an Oncologist practicing medicine in Colton, California. He has been practicing medicine for over 18 years. Dr. Saadat is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Angiosarcoma, Paget Disease of the Breast, Familial Colorectal Cancer, and Inflammatory Breast Cancer.

    Showing 1-20 of 44

    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 Riverside, 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 Riverside, 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 Riverside, 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 Riverside, 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 Riverside, 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 Riverside, 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 Riverside, 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