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5323 Harry Hines BoulevardDallas, TX 75390
Phone+1 214-633-5555
Fax+1 214-645-6257
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Education & Training
University of Pennsylvania Health SystemFellowship, Gastroenterology, 2013 - 2016
NYU Grossman School of MedicineResidency, Internal Medicine, 2009 - 2012
Northwestern University The Feinberg School of MedicineClass of 2009
Certifications & Licensure
TX State Medical License 2021 - 2026
PA State Medical License 2013 - 2022
WA State Medical License 2021 - 2022
NY State Medical License 2010 - 2014
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- Microbiota and metabolite-based prediction tool for colonic polyposis with and without a known genetic driver.Bryson W Katona, Ashutosh Shukla, Weiming Hu, Thomas Nyul, Christina Dudzik
Gut Microbes. 2025-12-01 - 7 citationsHuman Intestinal Microbiome Determines Individualized Inflammatory Response to Dietary Emulsifier Carboxymethylcellulose Consumption.Noëmie Daniel, Gary D Wu, William Walters, Charlene Compher, Josephine Ni
Cellular and Molecular Gastroenterology and Hepatology. 2024-01-01 - 6 citationsTrans-Golgi protein TVP23B regulates host-microbe interactions via Paneth cell homeostasis and Goblet cell glycosylation.Ran Song, William McAlpine, Aaron M Fond, Evan Nair-Gill, Jin Huk Choi
Nature Communications. 2023-06-20
Journal Articles
- A Role for Bacterial Urease in Gut Dysbiosis and Crohn’s DiseaseMarc Yudkoff, Josephine Ni, Lindsey Albenberg, Ramnik J Xavier, James D Lewis, Robert N Baldassano, Science Magazine
Press Mentions
10 Tips to Help You Get a Research GrantAugust 15th, 2017- GI Investigator of the Week: Josephine NiAugust 10th, 2017
Grant Support
- Determinants of bacterial biofilm formation at the intestinal mucosal interface and their roles in pathogen exclusionUT SOUTHWESTERN MEDICAL CENTER2022–2025
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