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

Plichta, Jennifer K., Li Lin, Madison Ponder, Bryce B. Reeve, Rajeev Dharmapurikar, Shivanand P. Lad, Ziad F. Gellad, and E Shelley Hwang. “Improving the Patient Experience for Women Undergoing Breast Surgery: Yes, There's an App for That, Too!.” In Annals of Surgical Oncology, 28:S364–65, 2021.

Scholars@Duke

Hong, Julian C., Elizabeth R. Hauser, Thomas S. Redding, Kellie J. Sims, Ziad F. Gellad, Meghan C. O’Leary, Terry Hyslop, et al. “Characterizing chronological accumulation of comorbidities in healthy veterans: a computational approach.” Sci Rep 11, no. 1 (April 14, 2021): 8104. https://doi.org/10.1038/s41598-021-85546-2.

PMID
33854078
Full Text

Wegermann, Kara, Julius M. Wilder, Alice Parish, Donna Niedzwiecki, Ziad F. Gellad, Andrew J. Muir, and Yuval A. Patel. “Racial and Socioeconomic Disparities in Utilization of Telehealth in Patients with Liver Disease During COVID-19.” Dig Dis Sci, January 28, 2021. https://doi.org/10.1007/s10620-021-06842-5.

PMID
33507442
Full Text

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

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