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Office
705 Riley Hospital Lane, ROC 4210
Indianapolis, IN 46202Phone+1 317-944-3774Fax+1 317-944-8521
Education & Training
- Indiana University School of MedicineFellowship, Pediatric Gastroenterology, 1995 - 1998
- Medical College of Wisconsin Affiliated HospitalsResidency, Pediatrics, 1992 - 1995
- University of the Philippines College of MedicineClass of 1990
Certifications & Licensure
- CA State Medical License 2003 - 2025
- IN State Medical License 1998 - 2025
- WI State Medical License 1993 - 2009
- American Board of Pediatrics Pediatric Gastroenterology
Awards, Honors, & Recognition
- Indianapolis Monthly Castle Connolly, 2013-2021
Clinical Trials
- Pediatric Inflammatory Bowel Disease Collaborative Research Group Registry Start of enrollment: 2002 Jan 28
- Predicting Response to Standardized Pediatric Colitis Therapy Start of enrollment: 2012 Jul 10
Publications & Presentations
PubMed
- 3 citationsTargeted Assessment of Mucosal Immune Gene Expression Predicts Clinical Outcomes in Children with Ulcerative Colitis.Kathryn Clarkston, Rebekah Karns, Anil G Jegga, Mihika Sharma, Sejal Fox
Journal of Crohn's & Colitis. 2022-11-23 - 7 citationsUtilization of Antitumor Necrosis Factor Biologics in Very Early Onset Inflammatory Bowel Disease: A Multicenter Retrospective Cohort Study From North America.Basavaraj Kerur, Karoline Fiedler, Marisa Stahl, Jeffrey Hyams, Michael Stephens
Journal of Pediatric Gastroenterology and Nutrition. 2022-07-01 - 5 citationsAssociation of Baseline Luminal Narrowing With Ileal Microbial Shifts and Gene Expression Programs and Subsequent Transmural Healing in Pediatric Crohn DiseaseAllison Ta, Nicholas J Ollberding, Rebekah Karns, Yael Haberman, Adina Alazraki
Inflammatory Bowel Diseases. 2021-10-20
Journal Articles
- Serologic Reactivity Reflects Clinical Expression of Ulcerative Colitis in ChildrenSubra Kugathasan, Robert N Baldassano, Lee A Denson, Joshua D Noe, Jeffrey S Hyams, Cary G Sauer, David J Keljo, Joel R Rosh, Melvin B Heyman, Neal S LeLeiko, Marian D..., Inflammatory Bowel Diseases
Press Mentions
- Childhood-Onset IBD Tied to Psychiatric DisordersAugust 20th, 2019
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