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    Last Updated: 01/09/2026

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    MediFind found 42 doctor with experience in Gastrointestinal Stromal Tumor near Waukesha, WI. Of these, 36 are Experienced, 5 are Advanced and 1 are Distinguished.

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    42 providers found
      William G. Matthaeus
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology

      Aurora Cancer Care

      1055 N Mayfair Rd, 
      Wauwatosa, WI 
       (9.5 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      William Matthaeus is a Hematologist and an Oncologist in Wauwatosa, Wisconsin. Dr. Matthaeus is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Squamous Cell Lung Carcinoma, ALK-Positive Non-Small Cell Lung Cancer, Lung Adenocarcinoma, and Small Cell Lung Cancer (SCLC).

      Wesley A. Papenfuss
      Advanced in Gastrointestinal Stromal Tumor
      Surgical Oncology
      Advanced in Gastrointestinal Stromal Tumor
      Surgical Oncology

      Aurora Surgery

      2801 W Kinnickinnic River Pkwy, Ste 575, 
      Milwaukee, WI 
       (14.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Wesley Papenfuss is a Surgical Oncologist in Milwaukee, Wisconsin. Dr. Papenfuss is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Stomach Cancer, Pancreatectomy, and Small Bowel Resection.

      Adam P. Siegel
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology

      Vince Lombardi Cancer Clinic

      36500 Aurora Dr, 
      Summit, WI 
       (12.6 miles away)
      Experience:
      17+ years
      Languages Spoken:
      English
      Offers Telehealth

      Adam Siegel is a Hematologist and an Oncologist in Summit, Wisconsin. Dr. Siegel has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Chronic T-Cell Leukemia (CTCL), Adult T-Cell Leukemia, Angiosarcoma, and Inflammatory Breast Cancer.

      Learn about our expert tiers
      Jeffrey K. Bahr
      Experienced in Gastrointestinal Stromal Tumor
      Internal Medicine
      Experienced in Gastrointestinal Stromal Tumor
      Internal Medicine

      Aurora Advanced Healthcare, Inc.

      1055 N Mayfair Rd, 
      Wauwatosa, WI 
       (9.5 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Jeffrey Bahr is a primary care provider, practicing in Internal Medicine in Wauwatosa, Wisconsin. Dr. Bahr is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, High Cholesterol, and Intrauterine Device Insertion. Dr. Bahr is currently accepting new patients.

      Brenda M. Pierce
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology

      Aurora Cancer Care

      8901 W Lincoln Ave 1st Fl, 
      West Allis, WI 
       (9.5 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Brenda Pierce is a Hematologist and an Oncologist in West Allis, Wisconsin. Dr. Pierce is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Inflammatory Breast Cancer.

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

      Waukesha Surgical Specialists, S.C.

      1111 Delafield St, Suite 209, 
      Waukesha, WI 
       (1.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Christopher Davies is a General Surgeon and a Vascular Surgeon in Waukesha, Wisconsin. Dr. Davies is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Diverticular Disease, Carotid Artery Surgery, and Pancreatectomy. Dr. Davies is currently accepting new patients.

      Experienced in Gastrointestinal Stromal Tumor
      Hematology Oncology | Hematology | Oncology
      Experienced in Gastrointestinal Stromal Tumor
      Hematology Oncology | Hematology | Oncology
      N14w23833 Stone Ridge Dr, Suite 200, 
      Waukesha, WI 
       (2.8 miles away)
      Languages Spoken:
      English, Spanish

      Federico Sanchez is a Hematologist Oncology specialist and a Hematologist in Waukesha, Wisconsin. Dr. Sanchez is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Appendix Cancer, Bone Marrow Aspiration, and Bone Marrow Transplant.

      Experienced in Gastrointestinal Stromal Tumor
      Experienced in Gastrointestinal Stromal Tumor

      The Medical College Of Wisconsin Inc

      2315 E Moreland Blvd, 
      Waukesha, WI 
       (2.9 miles away)
      Languages Spoken:
      English, Arabic, French
      Accepting New Patients
      Offers Telehealth

      Rahul Sawlani is a Radiologist in Waukesha, Wisconsin. Dr. Sawlani is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Lung Nodules, Adenosine Deaminase 2 Deficiency, ALK-Positive Non-Small Cell Lung Cancer, and Pleurisy. Dr. Sawlani is currently accepting new patients.

      Experienced in Gastrointestinal Stromal Tumor
      Experienced in Gastrointestinal Stromal Tumor

      The Medical College Of Wisconsin Inc

      2315 E Moreland Blvd, 
      Waukesha, WI 
       (2.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Mark Hohenwalter is a Radiologist in Waukesha, Wisconsin. Dr. Hohenwalter is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Ascites, Visceromegaly, Alcoholic Cirrhosis, Scrotal Swelling, and Prostatectomy. Dr. Hohenwalter is currently accepting new patients.

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

      Prohealth Medical Group Inc

      N16w24131 Riverwood Dr, 
      Waukesha, WI 
       (3.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Kathleen Hemauer is a Hematologist Oncology specialist and a Hematologist in Waukesha, Wisconsin. Dr. Hemauer is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, HER-2 Positive Breast Cancer, and Thrombocytopenia. Dr. Hemauer is currently accepting new patients.

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

      Prohealth Medical Group Inc

      N16w24131 Riverwood Dr, 
      Waukesha, WI 
       (3.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Derek Serna is a Hematologist Oncology specialist and an Oncologist in Waukesha, Wisconsin. Dr. Serna is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Tongue Cancer, Anemia, Angiosarcoma, and Breast Cancer. Dr. Serna is currently accepting new patients.

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

      Prohealth Medical Group Inc

      N16w24131 Riverwood Dr, 
      Waukesha, WI 
       (3.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Jonathan Kapke is a Hematologist Oncology specialist and an Oncologist in Waukesha, Wisconsin. Dr. Kapke is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Pleuropulmonary Blastoma, Breast Cancer, Pancreatic Cancer, and Familial Pancreatic Cancer. Dr. Kapke is currently accepting new patients.

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

      Prohealth Medical Group Inc

      N17w24100 Riverwood Dr, 
      Waukesha, WI 
       (3.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Mohammad Raza is a Hematologist Oncology specialist and an Oncologist in Waukesha, Wisconsin. Dr. Raza is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Neuroendocrine Tumor, Paget Disease of the Breast, Anemia, Ureteroscopy, and Endoscopy. Dr. Raza is currently accepting new patients.

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

      The Medical College Of Wisconsin Inc

      8701 Watertown Plank Rd, Room 4041 Mfrc, 
      Milwaukee, WI 
       (10.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Colin Mooney is a Hematologist Oncology specialist and a Hematologist in Milwaukee, Wisconsin. Dr. Mooney is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Angiosarcoma, Pleuropulmonary Blastoma, Lung Cancer, and Inflammatory Breast Cancer. Dr. Mooney is currently accepting new patients.

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

      Columbia St Marys Hospital Milwaukee Inc

      801 S 70th St, 
      West Allis, WI 
       (11.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Varsha Shah is a Hematologist Oncology specialist and a Hematologist in West Allis, Wisconsin. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Inflammatory Breast Cancer, and Angiosarcoma. Dr. Shah is currently accepting new patients.

      Antony Ruggeri
      Advanced in Gastrointestinal Stromal Tumor
      Hematology | Oncology
      Advanced in Gastrointestinal Stromal Tumor
      Hematology | Oncology

      Aurora Cancer Care

      2801 W Kinnickinnic River Pkwy, Ste 980, 
      Milwaukee, WI 
       (14.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Antony Ruggeri is a Hematologist and an Oncologist in Milwaukee, Wisconsin. Dr. Ruggeri is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Adult Soft Tissue Sarcoma, and Urothelial Cancer.

      Distinguished in Gastrointestinal Stromal Tumor
      Hematology Oncology | Oncology
      Distinguished in Gastrointestinal Stromal Tumor
      Hematology Oncology | Oncology

      The Medical College Of Wisconsin Inc

      8701 Watertown Plank Rd, Room 4041 Mfrc, 
      Milwaukee, WI 
       (10.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      John Charlson is a Hematologist Oncology specialist and an Oncologist in Milwaukee, Wisconsin. Dr. Charlson is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Adult Soft Tissue Sarcoma, Liposarcoma, Synovial Sarcoma, and Undifferentiated Pleomorphic Sarcoma.

      Sahibzada U. Latif
      Experienced in Gastrointestinal Stromal Tumor
      Gastroenterology
      Experienced in Gastrointestinal Stromal Tumor
      Gastroenterology

      Aurora Gastroenterology

      2901 W Kinnickinnic River Pkwy, Ste 414, 
      Milwaukee, WI 
       (14.1 miles away)
      Languages Spoken:
      English, Hindi, Pashto
      Offers Telehealth

      Sahibzada Latif is a Gastroenterologist in Milwaukee, Wisconsin. Dr. Latif is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Gallstones, Childhood Pancreatitis, Gallbladder Disease, Endoscopy, and Pancreatectomy.

      Abhay K. Jella
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology

      Aurora Cancer Care

      2801 W Kinnickinnic River Pkwy, Ste 980, 
      Milwaukee, WI 
       (14.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Abhay Jella is a Hematologist and an Oncologist in Milwaukee, Wisconsin. Dr. Jella is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Familial Pancreatic Cancer, Pleuropulmonary Blastoma, and Bone Marrow Aspiration.

      Manish K. Pant
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology
      Experienced in Gastrointestinal Stromal Tumor
      Hematology | Oncology

      Aurora Cancer Care

      2801 W Kinnickinnic River Pkwy, Ste 980, 
      Milwaukee, WI 
       (14.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Manish Pant is a Hematologist and an Oncologist in Milwaukee, Wisconsin. Dr. Pant is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Undifferentiated Pleomorphic Sarcoma, Rhabdomyosarcoma Embryonal, Alveolar Soft Part Sarcoma, and Adult Soft Tissue Sarcoma.

      Showing 1-20 of 42

      Last Updated: 01/09/2026

      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 Waukesha, WI?

      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 Waukesha, WI?

      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 Waukesha, WI?

      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 Waukesha, WI?

      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 Waukesha, WI?

      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 Waukesha, WI?

      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 Waukesha, WI?

      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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