The 20 Best Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET) Doctors Near Me in San Francisco, CA
Find the Top Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET) Experts and Specialists
Radiology At China Basin
Dr. Derek Sun is a radiologist who interprets medical imaging that includes X-rays, ultrasound images, CT scans and MRI. He has a particular interest in diseases and conditions of the abdomen and pelvis. Sun earned his medical degree at Albert Einstein College of Medicine. He completed a residency in radiology at NYC Health + Hospitals/Jacobi, followed by a fellowship in abdominal imaging at UCSF. Sun is passionate about educating physicians-in-training. He serves as associate director of UCSF’s program in abdominal imaging and ultrasound, for which he teaches high-level concepts in medical imaging. He received the Hideyo Minagi Outstanding Teacher Award in 2019. A native San Franciscan, Sun enjoys giving back to his community. He volunteers at a local food bank and promotes STEM education (science, technology, engineering and mathematics) to Bay Area students. Dr. Sun is rated as an Advanced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Fibrolamellar Carcinoma, WT1-Related Wilms Tumor Syndromes, Progressive Familial Intrahepatic Cholestasis Type 1, and Small Bowel Resection. Dr. Sun is board certified in American Board Of Radiology, Diagnostic Radiology. Dr. Sun is currently accepting new patients.
Center For Neuroendocrine Tumors
Dr. Emily Bergsland is a gastrointestinal oncologist at the UCSF Helen Diller Family Comprehensive Cancer Center and the director of the UCSF Center for Neuroendocrine Tumors. She specializes in the multidisciplinary care of patients with neuroendocrine cancers. Bergsland's research is focused on better understanding why neuroendocrine tumors develop, identifying and testing new therapies, and improving outcomes in affected patients. Bergsland earned her medical degree at the University of Minnesota, then completed a residency in internal medicine and fellowship in medical oncology at UCSF. Dr. Bergsland is rated as a Distinguished provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Neuroendocrine Tumor, Carcinoid Syndrome, Pancreatic Islet Cell Tumor, Hepatectomy, and Liver Embolization. Dr. Bergsland is board certified in American Board Of Internal Medicine, Medical Oncology. Dr. Bergsland is currently accepting new patients.
Radiology At China Basin
Dr. Robert Flavell is a radiologist who cares for both adults and children, and specializes in nuclear medicine, the use of small amounts of radioactive materials to evaluate organ systems. He is chief of molecular imaging and therapeutics for the UCSF Department of Radiology and Biomedical Imaging. In research, Flavell focuses on developing new methods of diagnosing and treating cancer using molecular imaging technology, which shows what is taking place in the body at a cellular and molecular level. After earning a doctorate in chemical biology at the Rockefeller University, Flavell earned his medical degree at Weill Cornell Medicine. At UCSF, he completed a residency in diagnostic radiology, followed by a fellowship in nuclear medicine. Dr. Flavell is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Smoldering Multiple Myeloma, Fibrolamellar Carcinoma, and Gastrointestinal Stromal Tumor. Dr. Flavell is board certified in American Board Of Radiology, Diagnostic Radiology and American Board Of Nuclear Medicine, Nuclear Medicine. Dr. Flavell is currently accepting new patients.
Radiology At China Basin
Dr. Spencer Behr is a radiologist with expertise in molecular imaging, radiation therapy and abdominal imaging. He has a special interest in radiomics, extracting data from medical images that can be used to better predict and assess a patient's response to cancer treatment. Behr pursues translational research – applying laboratory findings to the development of medical therapies – on the use of molecular and hybrid imaging to better treat prostate cancer. He is particularly interested in new radiology techniques that combine PET scanning with CT or MRI. He has pursued research projects that involve collaboration among multiple departments, aiming to foster discussions among specialists of various disciplines and to optimize the impact of these studies on patient care. Behr earned his medical degree from Tufts University School of Medicine. He completed a residency in diagnostic radiology at Lahey Hospital & Medical Center, serving as chief resident. At UCSF, he completed fellowships in abdominal imaging and nuclear medicine. Behr enjoys mentoring medical students, residents and fellows, and has received national recognition for his excellence in teaching and mentoring. He serves as fellowship director for radiology and biomedical imaging, co-director of the Helen Diller Family Comprehensive Cancer Center's Cancer Imaging Research Shared Resource and vice chair of UCSF's Committee on Rules & Jurisdiction. Dr. Behr is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Ureterocele, WT1-Related Wilms Tumor Syndromes, Pancreaticoduodenectomy, and Prostatectomy. Dr. Behr is board certified in American Board Of Nuclear Medicine, Nuclear Medicine and American Board Of Radiology, Diagnostic Radiology.
Polycystic Kidney Disease (PKD) Center Of Excellence
Dr. Zhen Jane Wang is a radiologist who specializes in abdominal imaging. In research, Wang's interests focus on identifying novel imaging techniques and developing them into practical, useful diagnostic tools. Her research program includes using hyperpolarized 13C metabolic MRI – an advanced imaging technique – to assess kidney tumors' aggressiveness and diffuse kidney disease. She is also interested in quantitative imaging – a technique for measuring features of a tumor by applying algorithms to images – for assessing patients with pancreatic cancer. Wang has received research grants from private and public organizations, including the Society of Abdominal Radiology, Radiological Society of North America, U.S. Department of Defense and National Institutes of Health. In 2019, she received the Distinguished Investigator Award from the Academy for Radiology and Biomedical Imaging Research. After earning a bachelor's degree in electrical engineering at Brown University, Wang earned her medical degree from Northwestern University Feinberg School of Medicine. She completed a residency in diagnostic radiology at UCSF, serving as chief resident. She also completed a fellowship in abdominal imaging at UCSF. She joined the UCSF faculty in 2008. Wang serves as associate director for UCSF's program in biomedical imaging for clinician-scientists and as associate chair for strategic planning in the UCSF Department of Radiology and Biomedical Imaging. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Spontaneous Coronary Artery Dissection (SCAD), Renal Cell Carcinoma (RCC), WT1-Related Wilms Tumor Syndromes, Pancreaticoduodenectomy, and Percutaneous Coronary Intervention (PCI). Dr. Wang is board certified in American Board Of Radiology/Diagnostic Radiology, Diagnostic Radiology. Dr. Wang is currently accepting new patients.
Office
Thomas Hope is a Radiologist practicing medicine in San Francisco, California. Dr. Hope is rated as an Advanced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Mesenchymoma, Undifferentiated Pleomorphic Sarcoma, Prostatectomy, and Parathyroidectomy.
KFH San Francisco Laboratory
Jason Bailey is a Radiologist practicing medicine in San Francisco, California. Dr. Bailey is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Pleurisy, Pleural Effusion, Visceromegaly, and Ascites.
Gastrointestinal Surgical Oncology Clinic
Dr. Eric Nakakura is a cancer surgeon who specializes in tumors of the liver, pancreas, bile ducts and gastrointestinal tract. He also treats soft tissue sarcomas, including tumors of the retroperitoneum (a space in the abdominal cavity), trunk and extremities. At the UCSF Helen Diller Family Comprehensive Cancer Center, he helps manage complex gastrointestinal tract cancers, soft tissue sarcomas and gastrointestinal neuroendocrine tumors, including carcinoid and islet cell tumors. In his research, Nakakura studies endocrine differentiation in gastrointestinal tumors. Nakakura earned his medical degree at Stanford University School of Medicine. He earned a doctorate in cellular and molecular medicine at Johns Hopkins University. He completed a residency in general surgery at Johns Hopkins Medicine and received advanced training in surgery at the John Radcliffe Hospital in Oxford, England. At Johns Hopkins, he completed a fellowship in surgical oncology with an emphasis on pancreatic, biliary and gastrointestinal surgery. Dr. Nakakura is rated as an Advanced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Pancreatic Cancer, Retroperitoneal Liposarcoma, Pancreatectomy, and Pancreaticoduodenectomy. Dr. Nakakura is board certified in American Board Of Surgery, General Surgery. Dr. Nakakura is currently accepting new patients.
Gastrointestinal Medical Oncology Clinic
Dr. Katherine Van Loon is a specialist in gastrointestinal cancers, with a particular interest in colon cancer. With a background in public health, Van Loon's research is focused on epidemiology – the study of which populations develop diseases and which factors contribute – as well as outcomes in gastrointestinal malignancies. She has a long-standing interest in global health and has also studied the epidemiology of gastrointestinal cancers in the developing world. Van Loon earned her master's degree in public health from the Yale School of Public Health before attending the Medical College of Georgia. She completed a residency in internal medicine at Beth Israel Deaconess Medical Center, a teaching hospital of Harvard Medical School. She came to UCSF for a fellowship in oncology in 2009. Van Loon is a member of the American Society of Clinical Oncology (ASCO). She received a Young Investigator Award from the ASCO Conquer Cancer Foundation in 2012. Dr. Van Loon is rated as an Advanced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, and Gastroesophageal Junction Cancer. Dr. Van Loon is board certified in American Board Of Medical Specialties, Medical Oncology and American Board Of Internal Medicine, Internal Medicine. Dr. Van Loon is currently accepting new patients.
San Francisco VA Medical Center
Rizwan Aslam is a Radiologist practicing medicine in San Francisco, California. Dr. Aslam is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Lymphofollicular Hyperplasia, Splenomegaly, Kimura Disease, and Chylous Ascites.
Gastrointestinal Surgical Oncology Clinic
Ajay Maker is a Hematologist practicing medicine in San Francisco, California. Dr. Maker is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Familial Pancreatic Cancer, Liver Cancer, Pancreaticoduodenectomy, and Pancreatectomy.
Office
Ari Baron is an Oncologist practicing medicine in San Francisco, California. Dr. Baron is rated as an Advanced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 63 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Pancreatic Cancer, Liver Cancer, Familial Colorectal Cancer, and Bone Marrow Aspiration.
Gastrointestinal Medical Oncology Clinic
Dr. Andrew H. Ko is a specialist in digestive system cancers. He provides compassionate and individualized care for patients with cancers of the pancreas, stomach and esophagus. In research, Ko has long been active in developing and evaluating new treatments for gastrointestinal cancers, including molecularly targeted agents and immune-based therapies. Ko earned an undergraduate degree in applied mathematics and biology at Brown University. He earned his medical degree at the Johns Hopkins University School of Medicine. He completed a residency in internal medicine at Beth Israel Deaconess Medical Center, an affiliate of Harvard Medical School, and completed a fellowship in medical oncology at Stanford University. He joined UCSF in 2001. Dr. Ko is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Stomach Cancer, Pancreatic Ductal Adenocarcinoma, Familial Pancreatic Cancer, and Pancreatic Cancer. Dr. Ko is board certified in American Board Of Internal Med/Medical Oncology, Medical Oncology. Dr. Ko is currently accepting new patients.
Gastrointestinal Medical Oncology Clinic
Dr. Wesley Kidder is a gastrointestinal oncologist with a special interest in colon and rectal cancers as well as neuroendocrine tumors (cancer cells arising from the endocrine and nervous systems). Kidder studies the role that the gut microbiome – the microorganisms that live in the digestive tract – plays in the development and treatment of colon and rectal cancers. His research includes examining the changes in the microbiome that occur following treatment with oral chemotherapy. After earning a master of public health degree from the University of Southern California, Kidder earned his medical degree at the George Washington University School of Medicine and Health Sciences. He then completed a residency in internal medicine at the University of California, San Diego, where he served as chief resident. He completed a fellowship in hematology and medical oncology at UCSF, where he also served as the chief fellow for his final two years. Kidder belongs to the American Society of Clinical Oncology and American Society of Hematology. Dr. Kidder is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, and Cholangiocarcinoma (Bile Duct Cancer). Dr. Kidder is board certified in American Board Of Internal Med/Medical Oncology, Medical Oncology. Dr. Kidder is currently accepting new patients.
Interventional Radiology Clinic
Dr. Nicholas Fidelman is a radiologist who specializes in caring for patients with liver cancer, metastatic colorectal cancer and neuroendocrine tumors. He has expertise in liver-directed therapy, a treatment that directly targets cancer in the liver. He also is experienced in treating portal hypertension (high blood pressure in the veins connecting the digestive organs to the liver), biliary disorders (which affect the bile ducts and gallbladder), urinary system disorders, and in performing dialysis interventions (minimally invasive procedures to restore blood flow in vessels used for dialysis). Fidelman's research focuses on clinical trials investigating novel treatments for liver cancer, outcomes of commonly performed procedures in interventional radiology, and on improving the safety and efficacy of image-guided treatments. Fidelman earned his medical degree from UCSF, where he also completed a residency in radiology and a fellowship in vascular and interventional radiology. Dr. Fidelman is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Liver Cancer, Ascites, Liver Embolization, and Gastrostomy. Dr. Fidelman is board certified in American Board Of Radiology, Interventional And Diagnostic Radiology. Dr. Fidelman is currently accepting new patients.
Robert W. Weber, MD Private Practice
Robert Weber is a Hematologist and an Oncologist practicing medicine in Daly City, California. Dr. Weber is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Angiosarcoma, Inflammatory Breast Cancer, Familial Colorectal Cancer, and Colorectal Cancer. Dr. Weber is board certified in Internal Medicine (Sub: Medical Oncology), Internal Medicine (Sub: Hematology), and Internal Medicine. Dr. Weber is currently accepting new patients.
Gastrointestinal Medical Oncology Clinic
Chloe Atreya is a Hematologist practicing medicine in San Francisco, California. Dr. Atreya is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Anal Cancer, Lynch Syndrome, and Hepatectomy.
Pacific Hematology Oncology Assoc
Caroline Behler is a Hematologist practicing medicine in San Francisco, California. Dr. Behler is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). She is also highly rated in 72 other conditions, according to our data. Her clinical expertise encompasses Virilizing Ovarian Tumor, Ovarian Carcinosarcoma, Testicular Yolk Sac Tumor, Bone Marrow Aspiration, and Gamma Knife Radiosurgery.
University Of California San Francisco Medical Center At Mount Zion
Alan Venook is a Hematologist practicing medicine in San Francisco, California. Dr. Venook is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Liver Cancer, Bone Marrow Transplant, and Pancreatectomy.
UCSF Medical Center
Jose Hernandez is a Nuclear Medicine provider practicing medicine in San Francisco, California. Dr. Hernandez is rated as an Experienced provider by MediFind in the treatment of Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Fibrolamellar Carcinoma, Relapsed Refractory Multiple Myeloma (RRMM), Smoldering Multiple Myeloma, and Neuroendocrine Tumor.
Last Updated: 04/28/2026











