School of Medicine


Showing 131-140 of 143 Results

  • Jacqueline Tsai, MD, FACS

    Jacqueline Tsai, MD, FACS

    Clinical Assistant Professor, Surgery - General Surgery

    Current Research and Scholarly InterestsMy research interests are focused on improving breast cancer surgeries. I am interested in novel techniques in surgery to improve cosmetic outcomes, minimize surgical re-excisions and possible augmented reality technologies to enhance surgery.

  • Jamie Tung, MD

    Jamie Tung, MD

    Clinical Assistant Professor, Surgery - General Surgery

    BioDr. Tung is a fellowship-trained surgeon in the Stanford Health Care Chest Wall Surgery Program. He is a clinical instructor in the Stanford Medicine Department of Surgery.

    His areas of expertise include trauma, general, and critical care surgery. He excels at the surgical treatment of chest wall injury, including stabilization of rib fractures.

    In his research, Dr. Tung has investigated gastrotomy tube complications. He has participated in the American Association for the Surgery of Trauma study of the surgical treatment of liver injury. Other research interests include massive transfusion strategies and education regarding pre-hospital trauma management.

    Dr. Tung has co-authored articles on complications of hernia surgery and other topics. His work has been published in The Journal of Trauma and Acute Care Surgery and Case Reports in Surgery. He also co-authored a chapter on chest wall surgery in the Textbook of Emergency General Surgery.

    Dr. Tung has made presentations at the American College of Surgeons Annual Meeting, Academic Surgical Congress, and other conferences. Topics include massive transfusions, prehospital trauma care, burn resuscitation, and complications of percutaneous endoscopic gastrostomy (PEG) in trauma patients.

    He is a member of the American College of Surgeons, Chest Wall Injury Society, Eastern Association for the Surgery of Trauma, and Association for Academic Surgeons. He is a member of the Stanford Medicine Trauma Committee and other committees. He has volunteered as a licensed emergency medical technician (EMT). He also has served as a “Stop the Bleed” instructor with Stanford Medicine as well as with other institutions where he practiced previously.

    Dr. Tung is fluent in English and Cantonese. He is proficient in Mandarin.

  • Jenny Lymary Veliz-Urzua, MSN, FNP-BC

    Jenny Lymary Veliz-Urzua, MSN, FNP-BC

    Affiliate, Surgery - General Surgery

    BioJenny L. Veliz-Urzua, MSN, FNP-BC is Nurse Practitioner for GI Surgical-Oncology at Stanford Health Care Center. She graduated with her Family Nurse Practitioner (FNP) degree rom Yale University School of Nursing in 2006. Her area of clinical practice includes hepatobiliary, pancreas, gastrointestinal and peritoneal malignancies.

  • Brendan C. Visser, MD

    Brendan C. Visser, MD

    Associate Professor of Surgery (General Surgery)

    Current Research and Scholarly InterestsDr. Visser's research interests span the breath of his clinical practice. Areas of active research include the multidisciplinary treatment of pancreatic neuroendocrine cancers, technical aspects of minimally invasive pancreatic and liver surgery, and trends in the management of hepatobiliary cancers in California, focusing on socioeconomic and instituional barriers to appropriate care.

  • Irene Wapnir, MD

    Irene Wapnir, MD

    Professor of Surgery (General Surgery)

    Current Research and Scholarly InterestsClinical trials in operative procedures such as Nipple-sparing mastectomy, arm lymphatic mapping, skin perfusion and Treatments for Breast Cancer, especially local recurrence. Dr. Wapnir is institutional Principal Investigator and Chair for National Surgical Adjuvant Breast and Bowel Project (NSABP) clinical trials. Laboratory and translational research includes exploring the activity of breast iodide transporter in breast cancer brain metastasis.

  • Thomas G Weiser, MD, MPH

    Thomas G Weiser, MD, MPH

    Clinical Associate Professor, Surgery - General Surgery

    BioDr. Thomas Weiser is a general and trauma surgeon, and surgical intensivist. He treats and cares for injured patients and those with acute surgical emergencies as well as manages critically ill surgical patients in the Intensive Care Unit.

    His research is focused on evaluating the role surgical care plays in the delivery of health services in resource poor settings, in particular low and middle income countries. He is interested in barriers to access and provision of surgical care, the quality of surgical services, and outcomes research as well as the science of implementation, how improvements can be made, and how to strengthen compliance with best practices and change behaviors for the better. He also has an interest in domestic policy as it relates to trauma outcomes, trauma systems, insurance coverage and costs of care, and firearm violence.

    Dr. Weiser's current projects focus on the quality of surgical care and strategies for improving the safety and reliability of surgical delivery in resource poor settings. He is the Consulting Medical Officer for Lifebox, a nonprofit focused on improving surgical and anesthetic safety worldwide. Lifebox delivers programs throughout the world in combination with local partners including individual professionals, professional societies, hospitals, other NGOs, and ministries of health. Lifebox works with hospitals in Ethiopia, Liberia, Madagasgar, India, Honduras, and Nicaragua, amongst others, to improve care and evaluate the impact of our work. A few programs of particular impact are the distribution of low cost devices to improve the safety of care (including pulse oximeters for the routine monitoring of patients undergoing anesthesia and a new surgical headlight program) and Clean Cut, a surgical infection prevention and control program now being introduced in several countries.

    He has been involved in surgical program assessment projects in numerous countries. From 2006-2009, he was part of the World Health Organization’s Safe Surgery Saves Lives program where he quantified the global volume of surgery and created, implemented, evaluated, and promoted the WHO Surgical Safety Checklist. He has worked with the WHO and the World Bank, and is currently the recipient of a Gates Grand Challenge grant to improve the safety of cesarean section in Ethiopia.

  • Sherry M. Wren, MD, FACS, FCS(ECSA)

    Sherry M. Wren, MD, FACS, FCS(ECSA)

    Professor of Surgery (General Surgery)

    Current Research and Scholarly InterestsOur research interests are primarily in global surgery,robotics,surgical oncology, especially gastrointestinal cancers.