School of Medicine


Showing 61-70 of 82 Results

  • Peter Poullos

    Peter Poullos

    Clinical Professor, Radiology
    Clinical Professor, Medicine - Gastroenterology & Hepatology

    BioDr. Poullos is a native of Stockton California. He earned his B.S. at Santa Clara University and M.D. degree at the University of Texas Medical School at Houston, after which he did an Internal Medicine residency at the University of California-San Francisco, finishing in 2002. He stayed at UCSF as a Gastroenterology fellow until 2004. However, after a spinal cord injury, he decided to retrain in Radiology. He did his Radiology residency at Stanford University, where he also completed a fellowship In Body Imaging in 2009. Dr. Poullos is now faculty in both the departments of Radiology and Gastroenterology and Hepatology. His clinical practice is at the Stanford Medicine, where he specializes in CT, MRI, and ultrasound of the abdomen and pelvis. His interests include radiology of the acute abdomen, hepatobiliary imaging, and colorectal cancer screening.

    Dr. Poullos is the Founder and Co-Chair of the Stanford Medicine Alliance for Disability Inclusion and Equity (SMADIE), a group composed of people with disabilities and their allies at Stanford Medicine. In that role, Dr. Poullos advocates for students and healthcare providers with disabilities and for health equity for disabled patients. He is a Faculty Advisor to the Stanford Medical Students with Disability and Chronic Illness (MSDCI) and the MSDCI National organizations. Dr. Poullos and SMADIE have made significant contributions to the disability community, including starting the Stanford Conference on Disability in Healthcare and Medicine, drawing over 1000 participants from 39 countries. He is the Co-Host of the popular “DocsWithDisabilities” podcast, has spoken internationally about disability access in medicine, and has written and researched in the field. One of his proudest achievements is co-creating the Disability in Medicine Mutual Mentorship Program, serving the needs of disabled medicine and healthcare students and practitioners. In 2022, Dr. Poullos received the Stanford President’s Award for Excellence through Diversity.

  • Afrin Kamal Rahman MD MS

    Afrin Kamal Rahman MD MS

    Clinical Associate Professor, Medicine - Gastroenterology & Hepatology

    BioDr. Afrin Kamal Rahman (previously known as Dr. Kamal) is a Clinical Associate Professor of Gastroenterology at Stanford University School of Medicine. Her health services research interests focus on developing and testing communication tools to improve the patient-care provider experience. She has authored 50+ peer reviewed publications and is an NIH funded research. Dr. Rahman is a principal investigator for a K23 grant awarded by the NIDDK to develop and test a mobile health application tool for patients with gastroesophageal reflux disease (GERD).

    Dr. Rahman is co-chair of the Young International Society for Diseases of the Esophagus (ISDE) and serves on several committees as part of American College of Gastroenterology and American Foregut Society. She is also an associate editor for Diseases of the Esophagus and director of the Esophageal Virtual Collaborative, an on-line platform with a mission to discuss complex challenging cases in benign esophageal disease among colleagues cross-nation.

    PubMed: https://pubmed.ncbi.nlm.nih.gov/?term=kamal%2C+afrin&sort=date
    Research website: knowreflux.org

  • Stephan Rogalla, M.D. Ph.D.

    Stephan Rogalla, M.D. Ph.D.

    Clinical Assistant Professor, Medicine - Gastroenterology & Hepatology

    Current Research and Scholarly InterestsThe research interest of myself and my lab are in the field of early cancer detection using targeted molecular spies to highlight (pre)cancerous lesions. We as well aim to improve precision medicine in autoimmune disorders like inflammatory bowel disease and oncology.

  • Arghavan Salles

    Arghavan Salles

    Clinical Associate Professor, Medicine - Gastroenterology & Hepatology

    BioDr. Salles is a minimally invasive and bariatric surgeon. She completed medical school and residency in general surgery at Stanford prior to completing her fellowship in minimally invasive surgery at Washington University in St. Louis. She stayed on faculty at Washington University for three years prior to moving back to Stanford in 2019.During the pandemic, Dr. Salles has served as a disaster relief physician, caring for patients with COVID in the ICU. Dr. Salles obtained a PhD in education from Stanford University during her residency training, and her research focuses on gender equity, implicit bias, diversity, inclusion, and physician well-being. Her R01 grant from the NIH focuses on sexual harassment. She is a sought-after speaker and has given over 100 national and international invited talks related to gender equity, physician well-being, and weight bias. She currently serves as the Special Advisor for DEI Programs at the Stanford University Department of Medicine where she is a Clinical Associate Professor.

  • Pradeep Kumar Siddappa, MD

    Pradeep Kumar Siddappa, MD

    Clinical Assistant Professor, Medicine - Gastroenterology & Hepatology

    BioDr. Pradeep Kumar Siddappa is a board-certified, fellowship-trained gastroenterologist with Stanford Health Care. He is also a clinical assistant professor in the Department of Medicine, Division of Gastroenterology & Hepatology at Stanford University School of Medicine.

    Dr. Siddappa specializes in advanced endoscopy procedures to diagnose and treat gastrointestinal conditions. He focuses on pancreatic care, including acute and chronic pancreatitis, pancreatic cysts, and pancreatic cancer. He uses advanced, minimally invasive methods to help detect pancreatic cancer early and treat people who cannot undergo surgery.

    Dr. Siddappa has studied many gastrointestinal conditions over the years, garnering grant funding and several awards. His primary research examines pancreatic cancer and how to catch it earlier through biomarkers in the pancreatic cyst fluid. He also investigates ways to improve endoscopic and duodenoscopic technology. He has developed new endoscopic techniques for diagnosis and treatment, including endoscopic ultrasound-guided omental fine needle aspiration.

    Dr. Siddappa has published his findings in peer-reviewed journals including the Journal of Gastrointestinal Cancer, Clinical Endoscopy, JGH Open, and the World Journal of Gastrointestinal Endoscopy. He has also shared his research and presented it at conferences around the world, including at the annual Digestive Diseases Week. He has covered topics including new diagnostic markers in pancreatic cyst fluid, narrow band imaging, hepatocellular carcinoma, and pancreatic ductal adenocarcinoma.

    Dr. Siddappa is a member of the American College of Gastroenterology, the American Gastroenterological Association, and the American Society for Gastrointestinal Endoscopy.