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

Publications

Horton, Anthony, Shai Posner, Brian Sullivan, Jennifer Cornejo, Andrea Davis, Monika Fields, Thasha McIntosh, et al. “Esophageal contractile segment impedance from high-resolution impedance manometry correlates with mean nocturnal baseline impedance and acid exposure time from 24-hour pH-impedance monitoring.” Dis Esophagus 33, no. 12 (December 7, 2020). https://doi.org/10.1093/dote/doaa063.

PMID
32607563
Full Text

Sullivan, Brian A., Xuejun Qin, Thomas S. Redding, Ziad F. Gellad, Anjanette Stone, David Weiss, Ashton N. Madison, et al. “Genetic Colorectal Cancer and Adenoma Risk Variants Are Associated with Increasing Cumulative Adenoma Counts.” In Cancer Epidemiol Biomarkers Prev, 29:2269–76, 2020. https://doi.org/10.1158/1055-9965.EPI-20-0465.

PMID
32928932
Full Text

Wegermann, Kara, Julius Wilder, Alice Parish, Donna Niedzwiecki, Ziad F. Gellad, Andrew Joseph Muir, and Yuval Patel. “BLACK, OLDER, UNMARRIED, AND MEDICAID PATIENTS WERE LESS LIKELY TO COMPLETE HEPATOLOGY VIDEO VISITS DURING COVID-19.” In Hepatology, 72:382A-383A, 2020.

Scholars@Duke

Ponder, Madison, Abena A. Ansah-Yeboah, Lefko T. Charalambous, Syed M. Adil, Vishal Venkatraman, Muhammad Abd-El-Barr, Michael Haglund, et al. “A Smartphone App With a Digital Care Pathway for Patients Undergoing Spine Surgery: Development and Feasibility Study.” Jmir Perioper Med 3, no. 2 (October 16, 2020): e21138. https://doi.org/10.2196/21138.

PMID
33393924
Full Text

Horton, Anthony, Brian Sullivan, Katie Charles, Thasha McIntosh, Andrea Davis, Ziad Gellad, Rahul Shimpi, C Prakash Gyawali, and Amit Patel. “Esophageal Baseline Impedance From High-resolution Impedance Manometry Correlates With Mean Nocturnal Baseline Impedance From pH-impedance Monitoring.” J Neurogastroenterol Motil 26, no. 4 (September 30, 2020): 455–62. https://doi.org/10.5056/jnm19142.

PMID
32388941
Full Text

Jawitz, Nicole G., Ziad F. Gellad, Li Lin, Richard K. Wood, and David A. Leiman. “Patient, Physician, and Procedure Characteristics Are Independently Predictive of Polyp Detection Rates in Clinical Practice.” Dig Dis Sci, September 7, 2020. https://doi.org/10.1007/s10620-020-06592-w.

PMID
32894441
Full Text

Sullivan, Brian A., Thomas S. Redding, Elizabeth R. Hauser, Ziad F. Gellad, Xuejun Qin, Samir Gupta, Douglas J. Robertson, et al. “High-Risk Adenomas at Screening Colonoscopy Remain Predictive of Future High-Risk Adenomas Despite an Intervening Negative Colonoscopy.” Am J Gastroenterol 115, no. 8 (August 2020): 1275–82. https://doi.org/10.14309/ajg.0000000000000677.

PMID
32483010
Full Text

Wosik, Jedrek, Marat Fudim, Blake Cameron, Ziad F. Gellad, Alex Cho, Donna Phinney, Simon Curtis, et al. “Telehealth transformation: COVID-19 and the rise of virtual care.” J Am Med Inform Assoc 27, no. 6 (June 1, 2020): 957–62. https://doi.org/10.1093/jamia/ocaa067.

PMID
32311034
Full Text

Sullivan, Brian, Xuejun Qin, Cameron Miller, Elizabeth R. Hauser, Thomas S. Redding, David Weiss, Ashton Madison, et al. “SCREENING AND SURVEILLANCE COLONOSCOPY FINDINGS ARE ASSOCIATED WITH ALL-CAUSE MORTALITY.” In Gastroenterology, 158:S219–S219, 2020.

Scholars@Duke

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