65062-Ellis, Ryan

Ryan J. Ellis, MD, MS

Assistant Professor of Surgery

EH 411
Indianapolis, IN
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Dr. Ellis received his medical degree from the University of Pennsylvania School of Medicine and completed his general surgery residency at Northwestern Memorial Hospital in Chicago, IL. He completed a fellowship in Complex General Surgical Oncology at Memorial Sloan-Kettering Cancer Center prior to joining the faculty at Indiana University School of Medicine. His clinical focus within surgical oncology includes the management of diseases of the pancreas, liver, bile ducts, and stomach, including pancreatic cancer, colorectal liver metastases, cholangiocarcinoma, hepatocellular carcinoma, and gastric cancer. He additionally has a particular interest in minimally invasive robotic surgical techniques and the use of hepatic artery infusion pump chemotherapy.

Dr. Ellis is a health services researcher with a focus on the optimization of complex cancer care delivery in patients with malignancies of the liver and pancreas. He has additional experience in clinical trial development and execution, specifically in improving postoperative outcomes after liver and pancreas surgery. He has co-authored more than 50 peer-reviewed publications and has presented at numerous national meetings.

Dr. Ellis is a member of the American College of Surgeons, Association for Academic Surgery, Americas Hepato-Pancreato-Biliary Association, International Hepato-Pancreato-Biliary Association, Pancreas Club, Society of Surgical Oncology, and the Surgical Outcomes Club.

Titles & Appointments

  • Assistant Professor of Surgery
  • Education
    2023 Fellowship Memorial Sloan-Kettering Cancer Center
    2021 Residency Northwestern Memorial Hospital
    2018 MS Northwestern University
    2014 MD University of Pennsylvania
    2009 BS University of Kansas
  • Research

    Dr. Ellis’s research interests are varied and relate to improving the quality of care in patients undergoing complex cancer surgery, particularly of the liver and pancreas.

    He has specific interests in:

    1) Developing multicenter clinical trials aimed at improving postoperative and cancer-related outcomes after abdominal operations.

    2) Studying variation in healthcare delivery.

    3) Development of interventions at both the hospital and policy level to improve the quality of complex cancer surgery in the United States.

    Dr. Ellis has also published on the process of surgical training and has been involved in the development of educational research aimed at improving the training environment in U.S. surgery. He has published multiple book chapters, invited editorials, abstracts at national meetings, and peer-reviewed publications, including work in the New England Journal of Medicine and JAMA.

  • Professional Organizations
    American College of Surgeons
    Americas Hepato-Pancreato-Biliary Association
    Association for Academic Surgery
    International Hepato-Pancreato-Biliary Association
    Pancreas Club
    Surgical Outcomes Club

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