The 20 Best Gastrointestinal Stromal Tumor Doctors Near Me in orange, CA
Find the Top Gastrointestinal Stromal Tumor Experts and Specialists
Uc Irvine Medical Center Oncology
Dr. Warren A. Chow is a board-certified UCI Health oncologist who specializes in melanoma and sarcomas. He serves as associate director for clinical services at the UCI Health Chao Family Comprehensive Cancer Center.He received his medical degree from Chicago Medical School at Rosalind Franklin University of Medicine and Science in North Chicago, Ill. He completed an internship and residency in internal medicine at Cedars-Sinai Medical Center in Los Angeles. Next he received fellowship training in medical oncology, hematology and bone marrow transplantation at the City of Hope in Duarte, Calif., where he served nearly 30 years as a clinician and researcher conducting bench-to-bedside studies in both bone and soft-tissue sarcomas.The recipient of numerous research grants from the National Cancer Institute, the U.S. Food and Drug Administration, the Melanoma Research Foundation and many others, Chow has been the principal investigator on more than three dozen clinical trials. He is the author of more than 80 publications and four book chapters, and he serves on the editorial boards of the journalsPLOS ONE,F1000 ResearchandScientific Reports (Nature). Dr. Chow is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Synovial Sarcoma, Adult Soft Tissue Sarcoma, Liposarcoma, and Chondrosarcoma. Dr. Chow is board certified in American Board Of Internal Medicine - Medical Oncology and American Board Of Internal Medicine - Internal Medicine.
UCI Health - Irvine Chao Family Comprehensive Cancer Center & Ambulatory Care
Misagh Karimi is a Hematologist and an Oncologist practicing medicine in Irvine, California. Dr. Karimi 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 Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast. Dr. Karimi is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.
UCI Health
Ronald Wolf is a General Surgeon practicing medicine in Orange, California. Dr. Wolf 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 Gastrointestinal Fistula, Neuroendocrine Tumor, Pancreatic Cancer, Pancreatectomy, and Pancreaticoduodenectomy. Dr. Wolf is currently accepting new patients.
UCI Health Chao Family Comprehensive Cancer Center
Farshid Dayyani is an Oncologist practicing medicine in Orange, California. Dr. Dayyani is rated as an Advanced 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 Stomach Cancer, Cholangiocarcinoma (Bile Duct Cancer), Familial Colorectal Cancer, Tissue Biopsy, and Endoscopy. Dr. Dayyani is board certified in American Board Of Internal Medicine - Medical Oncology.
UCI Health Chao Family Comprehensive Digestive Disease Center
Ninh Nguyen is a General Surgeon practicing medicine in Orange, California. Dr. Nguyen is rated as an Advanced 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 Hiatal Hernia, Hernia, Stomach Cancer, Endoscopy, and Gastrectomy.
UC Irvine Medical Center
John Lee is a Gastroenterologist practicing medicine in Orange, California. Dr. Lee is rated as an Advanced 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 Jaundice, Cholestasis, Bile Duct Stricture, Endoscopy, and Pancreatectomy. Dr. Lee is board certified in American Board Of Internal Medicine - Gastroenterology.
UCI Health Chao Family Comprehensive Digestive Disease Center
Jason Samarasena is a Gastroenterologist practicing medicine in Orange, California. Dr. Samarasena is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Samarasena is board certified in American Board Of Internal Medicine - Gastroenterology.
Uc Regents
Andreea Nanci is an Oncologist practicing medicine in Orange, California. Dr. Nanci 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, Angiosarcoma, and Chronic Lymphocytic Leukemia (CLL). Dr. Nanci is board certified in American Board Of Internal Medicine - Medical Oncology and American Board Of Internal Medicine - Internal Medicine.
Uci Health Chao Family Comprehensive Cancer Center
Dr. Jennifer B. Valerin is a board-certified UCI Health medical oncologist who specializes in gastrointestinal malignancies and hereditary pancreatic cancer.Valerin earned her medical degree from George Washington University School of Medicine and Health Sciences in Washington, D.C. She completed a residency in internal medicine UCLA, followed by a fellowship in hematology/oncology at MD Anderson Cancer Center in Houston, Texas.She later received a PhD in cancer biology from the University of Texas at Houston/MD Anderson Cancer Center, where her research was focused on resistance mechanisms to inhibitors of the enzyme poly ADP ribose polymerase (PARP) in hereditary pancreatic cancer.Valerin’s research interests include gastrointestinal cancers, hereditary cancers, translational genomics and early-phase clinical trials. She is the author or co-author of numerous papers on studies of pancreatic and other cancers. She also received a Young Investigator Award from the American Society for Clinical Oncology (ASCO) and an award for her basic science research from the American Association for Cancer Research (AACR).Valerin is also fluent in Spanish. Dr. Valerin is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Pancreatic Cancer, Familial Pancreatic Cancer, Melanoma, and Ganglioneuroblastoma. Dr. Valerin is board certified in American Board Of Internal Medicine - Hematology, American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine - Internal Medicine.
Uci University Physicians And Su
Sonia Sehgal is a primary care provider, practicing in Geriatrics and Internal Medicine in Orange, California. Dr. Sehgal is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Clear Cell Sarcoma, WT1-Related Wilms Tumor Syndromes, Osteoarthritis, and Cerebral Palsy. Dr. Sehgal is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine - Geriatric Medicine.
UCI Health Chao Family Comprehensive Cancer Center
Maheswari Senthil is a Surgical Oncologist and a General Surgeon practicing medicine in Orange, California. Dr. Senthil 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 Colorectal Cancer, Pseudomyxoma Peritonei, Breast Cancer, Ileostomy, and Mastectomy. Dr. Senthil is board certified in American Board Of Surgery - Surgery (General Surgery).
UCI Health Chao Family Comprehensive Cancer Center
Fa-chyi Lee is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Familial Pancreatic Cancer, Cholangiocarcinoma (Bile Duct Cancer), Colorectal Cancer, and Familial Colorectal Cancer.
UCI Health Chao Family Comprehensive Digestive Disease Center
David Imagawa is a General Surgeon practicing medicine in Orange, California. Dr. Imagawa is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Familial Pancreatic Cancer, Ampullary Cancer, Gallbladder Removal, and Pancreatectomy. Dr. Imagawa is board certified in American Board Of Surgery - Surgery (General Surgery).
UCI Health Chao Family Comprehensive Cancer Center
Jason Zell is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Zell 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 Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Colonoscopy, and Endoscopy. Dr. Zell is board certified in American Board Of Internal Medicine - Medical Oncology.
UCI Health Chao Family Comprehensive Cancer Center
Emad Elquza is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Elquza 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 Familial Colorectal Cancer, Colorectal Cancer, Pancreatic Cancer, and Lynch Syndrome. Dr. Elquza is board certified in American Board Of Internal Medicine - Medical Oncology.
UCI Health Chao Family Comprehensive Cancer Center
Oliver Eng is a Surgical Oncologist and a General Surgeon practicing medicine in Orange, California. Dr. Eng 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 Pseudomyxoma Peritonei, Stomach Cancer, Colorectal Cancer, Pancreaticoduodenectomy, and Hepato-Pancreato-Biliary Surgery. Dr. Eng is board certified in American Board Of Surgery - Complex General Surgical Oncology and American Board Of Surgery - Surgery (General Surgery). Dr. Eng is currently accepting new patients.
UCI Health Chao Family Comprehensive Digestive Disease Center
Marcelo Hinojosa is a General Surgeon practicing medicine in Orange, California. Dr. Hinojosa 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 Obesity, Hernia, Hiatal Hernia, Endoscopy, and Gastric Bypass. Dr. Hinojosa is board certified in American Board Of Surgery - Surgery (General Surgery).
UCI Health Chao Family Comprehensive Digestive Disease Center
Brian Smith is a General Surgeon practicing medicine in Orange, California. Dr. Smith 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 Gastroesophageal Reflux Disease (GERD), Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gastrectomy.
St Joseph Hospital Of Orange
Ravi Gupta is a Radiologist practicing medicine in Orange, California. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Diverticular Disease, Bronchogenic Cyst, and Pleurisy. Dr. Gupta is currently accepting new patients.
Genesis Healthcare Partners PC
Hardeep Singh is a Gastroenterologist practicing medicine in Orange, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Esophageal Varices, Familial Pancreatic Cancer, Gastrostomy, and Gastrectomy. Dr. Singh is board certified in American Board Of Internal Medicine. Dr. Singh is currently accepting new patients.
Last Updated: 09/26/2026
















