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

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 Perioperative Medicine 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

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

Miller, Cameron, Xuejun Qin, Brian Sullivan, Elizabeth R. Hauser, Thomas S. Redding, Ziad F. Gellad, David Weiss, et al. “THE ASSOCIATION OF MODIFIABLE RISK FACTORS WITH A DIAGNOSIS OF ADVANCED NEOPLASIA AMONG AN ASYMPTOMATIC VETERAN POPULATION.” In Gastroenterology, 158:S757–S757, 2020.

Scholars@Duke

Lieberman, David, Brian A. Sullivan, Elizabeth R. Hauser, Xuejun Qin, Laura W. Musselwhite, Meghan C. O’Leary, Thomas S. Redding, et al. “Baseline Colonoscopy Findings Associated With 10-Year Outcomes in a Screening Cohort Undergoing Colonoscopy Surveillance.” Gastroenterology 158, no. 4 (March 2020): 862-874.e8. https://doi.org/10.1053/j.gastro.2019.07.052.

PMID
31376388
Full Text

Musselwhite, Laura W., Thomas S. Redding, Kellie J. Sims, Meghan C. O’Leary, Elizabeth R. Hauser, Terry Hyslop, Ziad F. Gellad, Brian A. Sullivan, David Lieberman, and Dawn Provenzale. “Advanced neoplasia in Veterans at screening colonoscopy using the National Cancer Institute Risk Assessment Tool.” Bmc Cancer 19, no. 1 (November 12, 2019): 1097. https://doi.org/10.1186/s12885-019-6204-1.

PMID
31718588
Full Text

Voils, Corrine I., Heather A. King, Carolyn T. Thorpe, Dan V. Blalock, Ian M. Kronish, Bryce B. Reeve, Colleen Boatright, and Ziad F. Gellad. “Content Validity and Reliability of a Self-Report Measure of Medication Nonadherence in Hepatitis C Treatment.” Dig Dis Sci 64, no. 10 (October 2019): 2784–97. https://doi.org/10.1007/s10620-019-05621-7.

PMID
31037593
Full Text

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