Mark Donowitz MD
Malabsorption
Professor of Medicine, Johns Hopkins University School of Medicine; Director, Hopkins NIH/NIDDK Conte Core Center, GI Division, Director of Basic Research
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600 N Wolfe StBaltimore, MD 21287
Phone+1 410-955-4166
Fax+1 410-955-9677
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Education & Training
Jacobi Medical Center/Albert Einstein College of MedicineResidency, Internal Medicine, 1970 - 1971
Johns Hopkins UniversityResidency, Internal Medicine, 1968 - 1970- Johns Hopkins University School of MedicineClass of 1968
Certifications & Licensure
MD State Medical License 1969 - 2026
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014, 2016-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014, 2016-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2014, 2016-2017
Publications & Presentations
PubMed
- INSL5 as a newly recognised potential contributor to diarrhoea pathogenesis: more questions than answers.Mark Donowitz, Varsha Singh
Gut. 2026-01-08 - A model for Crohn's disease post-ileal resection fibrosis development using human ileal enteroids and myofibroblasts.Jun Hwan Yoo, Yoon Jeong Choi, Iryna V Pinchuk, Don W Powell, Nicholas C Zachos
Frontiers in Physiology. 2026-01-01 - Nherf2 is a major determinant of bile acid pool dynamics and contributes to regulation of Western diet-induced obesity.Dachuan Dong, Wen-Jun Shen, Stefanie Bittner, Jia Chen, Xiao Hao
American Journal of Physiology. Cell Physiology. 2025-12-01
Press Mentions
In Memoriam: Henry J. Binder, MDDecember 9th, 2025- COVID Diarrhea May Predict More Severe DiseaseAugust 22nd, 2024
- Organoids Provide Multiple New Insights into COVID-19August 16th, 2024
Professional Memberships
- Fellow
External Links
- Johns Hopkins Physicianshttp://www.hopkinsmedicine.org/mark-donowitz
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