Ziad F. Gellad, MD

Associate Professor of Medicine
Core Faculty Member, Duke-Margolis Center for Health Policy
Member in the Duke Clinical Research Institute
Campus mail 2301 Erwin Road, Duke North - DUMC 3703, Durham, NC 27710
Phone (919) 668-1585
Email address ziad.gellad@duke.edu

Dr. Gellad is an associate professor of medicine in the Division of Gastroenterology at Duke University Medical Center and a faculty member of the Duke Clinical Research Institute.  He is also a VA Career Development Awardee and holds an appointment in the Health Services Research and Development Center of Innovation at the Durham VA Medical Center.  His research focuses on the implementation of systems engineering methods to improve the quality and value of health care delivery with a specific emphasis in colorectal cancer screening.

Dr. Gellad has also received several innovation grants to develop and implement novel information technology platforms to improve the patient and clinician experience.  He is also an active contributor to the innovation and entrepreneurship activities within Duke University and co-founder of a health technology startup in Durham.

Dr. Gellad received his MD and MPH degrees from Johns Hopkins University.  He completed a residency in internal medicine and a fellowship in gastroenterology at Duke University Medical Center.  He is the Director of Quality for the Division of Gastroenterology and Associate vice Chair for Clinical Innovation in the Department of Medicine at Duke University Medical Center.   Dr. Gellad is past-chair of the Quality Measures Committee of the American Gastroenterological Association, associate editor for GI & Hepatology News and is on the Board of Editors for Clinical Gastroenterology and Hepatology.

In Their Words

Education and Training

  • Fellow in Gastroenterology, Medicine, Duke University, 2006 - 2009
  • Medical Resident, Medicine, Duke University, 2003 - 2006
  • M.D., Johns Hopkins University, 2003
  • M.P.H., Johns Hopkins University, 2002


Spechler, Stuart J., Robert H. Lee, Brian R. Smith, Hiroshi Mashimo, Vivian Sanchez, Kerry B. Dunbar, Pham Thai, et al. “A VA COOPERATIVE, RANDOMIZED TRIAL OF MEDICAL AND SURGICAL TREATMENTS FOR PATIENTS WITH HEARTBURN THAT IS REFRACTORY TO PROTON PUMP INHIBITORS.” In Gastroenterology, 154:S129–S129. W B SAUNDERS CO-ELSEVIER INC, 2018.


Finn, Raymond T., Benjamin Lloyd, Yuval A. Patel, Jennifer Cornejo, Thasha McIntosh, James Allen, Andrea Davis, et al. “IMPROVING ENDOSCOPY ACCESS FOR VETERANS: A LEAN PERFORMANCE IMPROVEMENT PROJECT DECREASES ENDOSCOPY NO-SHOW RATE AT A VETERANS AFFAIRS HOSPITAL.” In Gastroenterology, 154:S139–S139. W B SAUNDERS CO-ELSEVIER INC, 2018.


Leiman, David A., Nicole G. Jawitz, Li Lin, Richard K. Wood, and Ziad F. Gellad. “TERMINAL ILEUM INTUBATION DOES NOT IMPROVE ADENOMA DETECTION RATE.” In Gastroenterology, 154:S341–S341. W B SAUNDERS CO-ELSEVIER INC, 2018.


Crockett, Seth D., Sachin Wani, Timothy B. Gardner, Yngve Falck-Ytter, Alan N. Barkun, and Alan N. American Gastroenterological Association Institute Clinical Guidelines Committee. “American Gastroenterological Association Institute Guideline on Initial Management of Acute Pancreatitis.” Gastroenterology 154, no. 4 (March 2018): 1096–1101. https://doi.org/10.1053/j.gastro.2018.01.032.

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Gellad, Ziad F. “Worsened Functional Outcome With HFE Hemochromatosis With Persistently, Elevated Transferrin Saturation During Maintenance Therapy.” Clinical Gastroenterology and Hepatology 15, no. 10 (October 1, 2017): 1484–1484.


Finn, R Thomas, Amanda Boyd, Li Lin, and Ziad F. Gellad. “Bolus Administration of Fentanyl and Midazolam for Colonoscopy Increases Endoscopy Unit Efficiency and Safety Compared With Titrated Sedation.” Clin Gastroenterol Hepatol 15, no. 9 (September 2017): 1419-1426.e2. https://doi.org/10.1016/j.cgh.2017.03.030.

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Japinga, Mark, Robert Saunders, Ziad F. Gellad, and Mark McClellan. “The Evolving Payment Reform Landscape: New Opportunities for Gastroenterology Leadership.” Clin Gastroenterol Hepatol 15, no. 9 (September 2017): 1322–25. https://doi.org/10.1016/j.cgh.2017.07.008.

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