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

Find the Top Gastrointestinal Stromal Tumor Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 135 doctor with experience in Gastrointestinal Stromal Tumor near whittier, CA. Of these, 116 are Experienced, 13 are Advanced, 4 are Distinguished and 1 are Elite.

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135 providers found
    Elite in Gastrointestinal Stromal Tumor
    Elite in Gastrointestinal Stromal Tumor
    Referral may be required

    USC Norris Comprehensive Cancer Center And Hospital

    1441 Eastlake Ave, 
    Los Angeles, CA 
     (11.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Agulnik is an Oncologist practicing medicine in Los Angeles, California. Dr. Agulnik is rated as an Elite 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 Adult Soft Tissue Sarcoma, Synovial Sarcoma, Angiosarcoma, Osteotomy, and Colonoscopy.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology | Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology | Oncology
    Referral may be required

    The Oncology Institute

    11525 Brookshire Ave Ste 202, 
    Downey, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dilruba Haque is a Hematologist and an Oncologist practicing medicine in Downey, California. Dr. Haque is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Rhabdomyosarcoma Embryonal, Undifferentiated Pleomorphic Sarcoma, Adult Soft Tissue Sarcoma, and Non-Hodgkin Lymphoma.

    Advanced in Gastrointestinal Stromal Tumor
    General Surgery | Surgical Oncology
    Advanced in Gastrointestinal Stromal Tumor
    General Surgery | Surgical Oncology
    Referral may be required

    City Of Hope Comprehensive Cancer Center-Duarte

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Laleh Melstrom is a General Surgeon and a Surgical Oncologist practicing medicine in Duarte, California. Dr. Melstrom is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 45 other conditions, according to our data. Her clinical expertise encompasses Pancreatic Cancer, Neuroendocrine Tumor, Cholangiocarcinoma (Bile Duct Cancer), Pancreatectomy, and Hepatectomy.

    Learn about our expert tiers
    Advanced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Advanced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Referral may be required

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    James Lin is a Gastroenterologist practicing medicine in Duarte, California. Dr. Lin is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Bile Duct Stricture, Bile Duct Obstruction, Cholestasis, Colonoscopy, and Gastrectomy.

    Advanced in Gastrointestinal Stromal Tumor
    General Surgery
    Advanced in Gastrointestinal Stromal Tumor
    General Surgery
    Referral may be required

    City Of Hope Comprehensive Cancer Center-Duarte

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yanghee Woo is a General Surgeon practicing medicine in Duarte, California. Dr. Woo is rated as an Advanced 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 Stomach Cancer, Pseudomyxoma Peritonei, Gastrointestinal Stromal Tumor, Gastrectomy, and Lymphadenectomy.

    Advanced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Advanced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Referral may be required

    City Of Hope Comprehensive Cancer Center-Duarte

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Isaac Paz is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Paz is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Stomach Cancer, Breast Cancer, Familial Colorectal Cancer, Small Bowel Resection, and Hernia Surgery.

    Advanced in Gastrointestinal Stromal Tumor
    General Surgery
    Advanced in Gastrointestinal Stromal Tumor
    General Surgery
    Referral may be required

    Aaron Lewis, M.D. | Surgeon

    209 Fair Oaks Ave, 
    South Pasadena, CA 
     (12.3 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Aaron Lewis is a General Surgeon practicing medicine in South Pasadena, California. He has been practicing medicine for over 18 years. Dr. Lewis is rated as an Advanced 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 Familial Colorectal Cancer, Stomach Cancer, Neuroendocrine Tumor, Pancreatectomy, and Small Bowel Resection.

    General Surgery | Colorectal Surgery | Vascular Surgery
    General Surgery | Colorectal Surgery | Vascular Surgery
    Referral may be required

    Magdi Alexander, MD FACS

    50 Bellefontaine St, 409, 
    Pasadena, CA 
     (12.7 miles away)
    Languages Spoken:
    English, Spanish

    Magdi Alexander is a Colorectal Surgeon and a Vascular Surgeon practicing medicine in Pasadena, California. Dr. Alexander 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 Hernia, Retroperitoneal Inflammation, Ogilvie Syndrome, Hernia Surgery, and Gallbladder Removal. Dr. Alexander is board certified in American Board Or Surgery.

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

    Oncology Physicians Network Of California PC

    8135 Painter Ave, 
    Whittier, CA 
     (0.7 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 Gastrointestinal Stromal Tumor. 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 Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor
    Referral may be required

    PIH Health Whittier Hospital

    12401 Washington Blvd, 
    Whittier, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Robert Kleinman is a Radiologist practicing medicine in Whittier, California. Dr. Kleinman 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 CAPOS Syndrome, Gallbladder Disease, Ascites, and Subarachnoid Hemorrhage. Dr. Kleinman is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Experienced in Gastrointestinal Stromal Tumor
    Gastroenterology
    Referral may be required

    Digestive And Liver Disease Specialists A Medical Group Inc

    14350 Whittier Blvd, 
    Whittier, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Amit Raina is a Gastroenterologist practicing medicine in Whittier, California. Dr. Raina 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 Bile Duct Obstruction, Childhood Pancreatitis, Cholestasis, Endoscopy, and Gastrostomy. Dr. Raina is board certified in American Board Of Internal Medicine. Dr. Raina is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor
    Referral may be required

    Samuel W. Chung, M.D.

    301 W Huntington Dr Ste 400, 
    Arcadia, CA 
     (10.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Samuel Chung is an Oncologist practicing medicine in Arcadia, California. Dr. Chung 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 Familial Colorectal Cancer, Colorectal Cancer, Posterior Fossa Tumor, and Primitive Neuroectodermal Tumor (PNET).

    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology | General Surgery
    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology | General Surgery
    Referral may be required

    City Of Hope Medical Foundation

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vijay Trisal is a Surgical Oncologist and a General Surgeon practicing medicine in Duarte, California. Dr. Trisal is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Rhabdomyosarcoma Embryonal, Undifferentiated Pleomorphic Sarcoma, Adult Soft Tissue Sarcoma, Gastrectomy, and Splenectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Referral may be required

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kurt Melstrom is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Melstrom 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 Colorectal Cancer, Familial Colorectal Cancer, Squamous Cell Carcinoma of the Anal Canal (SCAC), Hernia Surgery, and Bladder Reconstruction.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor
    Referral may be required

    City Of Hope Comprehensive Cancer Center-Duarte

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Kessler is a Radiologist practicing medicine in Duarte, California. Dr. Kessler is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Fibrolamellar Carcinoma, Gastroesophageal Junction Cancer, Liver Embolization, and Gastrostomy.

    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Referral may be required

    Yuman Fong, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Experience:
    42+ years
    Languages Spoken:
    English
    Offers Telehealth

    Yuman Fong is a Surgical Oncologist practicing medicine in Duarte, California. He has been practicing medicine for over 42 years. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Cholangiocarcinoma (Bile Duct Cancer), Colorectal Cancer, Pancreatic Cancer, Hepatectomy, and Pancreatectomy.

    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Surgical Oncology
    Referral may be required

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lily Lai is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Lai is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Gastroesophageal Junction Cancer, Hernia Surgery, and Bone Marrow Aspiration.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor
    Referral may be required

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (11.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lusine Tumyan is a Radiologist practicing medicine in Duarte, California. Dr. Tumyan 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 Breast Lump, Osteopenia, Melorheostosis with Osteopoikilosis, and Melorheostosis. Dr. Tumyan is currently accepting new patients.

    Experienced in Gastrointestinal Stromal Tumor
    Experienced in Gastrointestinal Stromal Tumor
    Referral may be required

    Daniel Jae Kim, M.D.

    209 Fair Oaks Ave, 
    South Pasadena, CA 
     (12.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Daniel Kim is an Oncologist practicing medicine in South Pasadena, California. Dr. Kim 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 Stomach Cancer, Chronic Familial Neutropenia, Agranulocytosis, and Pleuropulmonary Blastoma.

    Experienced in Gastrointestinal Stromal Tumor
    Hematology | Oncology
    Experienced in Gastrointestinal Stromal Tumor
    Hematology | Oncology
    Referral may be required

    Oncology Physicians Network Of California PC

    11480 Brookshire Ave, 
    Downey, CA 
     (6.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Arati Chand is a Hematologist and an Oncologist practicing medicine in Downey, California. Dr. Chand 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 Familial Colorectal Cancer, Beta Thalassemia, Thrombocytopenia, and Thalassemia. Dr. Chand is board certified in Internal Medicine (Sub: Medical Oncology), Internal Medicine (Sub: Hematology), American Board Of Internal Medicine, and Internal Medicine. Dr. Chand is currently accepting new patients.

    Showing 1-20 of 135

    Last Updated: 09/26/2026

    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 whittier, 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 whittier, 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 whittier, 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 whittier, 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 whittier, 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 whittier, 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 whittier, 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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