The 20 Best Gastrointestinal Stromal Tumor Doctors Near Me in Thousand Oaks, CA
Find the Top Gastrointestinal Stromal Tumor Experts and Specialists
Thousand Oaks Diagnostic Imaging Center
David Aufrichtig is a Radiologist practicing medicine in Thousand Oaks, California. Dr. Aufrichtig 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 Progressive Familial Intrahepatic Cholestasis Type 3, Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 2, Visceromegaly, and Bone Marrow Aspiration.
Ventura County Gastroenterology Group
Dr. Karen Simon received her B.A. from Stanford University in 1996. She then attended Northwestern University for medical school. She completed her residency at Cedars-Sinai Medical Center in 2004 and her fellowship at UCLA and Cedars in 2008.Dr. Simon has proudly been serving patients in Ventura County since 2008 and is very involved in field research. Dr. Simon is also a speaker for Exact Sciences on behalf of Cologuard and is actively associated in research studies. She is a part of the Takeda Chloride Channel Council and a speaker for Amitiza, as well.She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital, where she is also a part of the Ethics Committee.Dr. Simon aims specifically to work with patients to discover the problem and develop a treatment strategy. She has a particular interest in Celiac Disease, Inflammatory Bowel Disease (IBD), and a passion for improving colorectal cancer detection.She is dedicated to developing a relationship with patients by utilizing education and mutual information sharing. Dr. Simon 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 Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Swallowing Difficulty, Endoscopy, and Colonoscopy. Dr. Simon is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Simon is currently accepting new patients.
Ashwin Kashyap, M.D.
Ashwin Kashyap is an Oncologist practicing medicine in Thousand Oaks, California. Dr. Kashyap 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 Chronic B-Cell Leukemia (CBCL), Richter Syndrome, Chronic Lymphocytic Leukemia (CLL), and Non-Hodgkin Lymphoma.
City Of Hope Medical Foundation
David Litvak is a Surgical Oncologist and a General Surgeon practicing medicine in Thousand Oaks, California. Dr. Litvak is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His clinical expertise encompasses Pseudomyxoma Peritonei, Gallbladder Disease, Gallstones, Hernia Surgery, and Small Bowel Resection.
William J. Fisher M.D. FACS Inc.
Samuel Slomowitz is a Hematologist and an Oncologist practicing medicine in Westlake Village, California. He has been practicing medicine for over 18 years. Dr. Slomowitz is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 41 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Paget Disease of the Breast, Familial Pancreatic Cancer, and Bone Marrow Aspiration.
David D Chi, MD
David Chi is a General Surgeon practicing medicine in Thousand Oaks, California. Dr. Chi 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 Breast Cancer, Choledocholithiasis, Paget Disease of the Breast, Hernia Surgery, and Lymphadenectomy. Dr. Chi is currently accepting new patients.
Office
Carolyn Britten is an Oncologist practicing medicine in Newbury Park, California. Dr. Britten 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 Colorectal Cancer, Familial Colorectal Cancer, Small Cell Lung Cancer (SCLC), and Squamous Cell Lung Carcinoma.
Bahareh Bahadini is a Hematologist and an Oncologist practicing medicine in Simi Valley, California. Dr. Bahadini is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 37 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Breast Cancer, Angiosarcoma, and Paget Disease of the Breast.
Chirag Dalsania is a Hematologist practicing medicine in Camarillo, California. Dr. Dalsania is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Iron Deficiency Anemia, Adult Immune Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP). Dr. Dalsania is currently accepting new patients.
General Surgery Medical Group
Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Lopresti 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 Choledocholithiasis, Gallstones, Gallbladder Disease, Bladder Reconstruction, and Hernia Surgery. Dr. Lopresti is board certified in Surgery General Surgery. Dr. Lopresti is currently accepting new patients.
Genesis Healthcare Partners
Cyrus Badii is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Agoura Hills, California. He has been practicing medicine for over 36 years. Dr. Badii 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 Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Gastrostomy. Dr. Badii is board certified in American Board Of Internal Medicine.
UCLA Health West Hills Primary & Specialty Care
Danny Issa is a Gastroenterologist practicing medicine in West Hills, California. Dr. Issa 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 Superior Mesenteric Artery Syndrome (SMAS), Jaundice, Nonalcoholic Steatohepatitis (NASH), Endoscopy, and Gastric Bypass.
Kaiser Permanente Woodland Hills Medical Center
Robert Lieberman is an Interventional Radiologist practicing medicine in Woodland Hills, California. He has been practicing medicine for over 17 years. Dr. Lieberman 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 Pleurisy, Pleural Effusion, Gallbladder Disease, Bone Marrow Aspiration, and Gastrostomy.
Last Updated: 04/28/2026


