Ian H Leibowitz MD
Division Chief, Gastroenterology, Hepatology and Nutrition Services at Children's National
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3023 Hamaker Ct600Fairfax, VA 22031
Phone+1 703-876-2788
Fax+1 703-839-8764
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Summary
- Ian Leibowitz, M.D. is currently Chief of Gastroenterology at Children's National Medical Center. He also serves as chief of Gastroenterology for Pediatric Specialists of Virginia and Fairfax Hospital for Children. Dr. Leibowitz is on the board of the Physicians Health Network and Children's National and serves on leadership committees for NASPGHAN and ImproveCareNow.
Through his work as a highly accomplished Pediatric Gastroenterologist and his proactive approach to induce remissions for those living with Crohn’s disease and Ulcerative Colitis, Dr. Leibowitz will lead a team of nationally recognized educators, research leaders and specialists to transform clinical care for children by enhancing the patient experience within this division.
Education & Training
Georgetown University HospitalFellowship, Pediatric Gastroenterology, 1987 - 1989
MedStar Health Georgetown UniversityResidency, Pediatrics, 1984 - 1987
NYC Health & Hospitals/South Brooklyn HealthResidency, Internal Medicine, 1982 - 1984
St. George's University School of MedicineClass of 1982
State University of New York at AlbanyBA, 1978
Certifications & Licensure
NY State Medical License 1986 - Present
DC State Medical License 1987 - 2026
MD State Medical License 1984 - 2026
VA State Medical License 1984 - 2026
American Board of Internal Medicine Internal Medicine
American Board of Pediatrics Pediatrics- American Board of Pediatrics Pediatric Gastroenterology
Awards, Honors, & Recognition
- Top Doctors No Va Magazine No Va Magazine, 2020-2023
- Top Doctors Washingtonian Washingtonian, 2019-2023
- Super Doctor SuperDoctors.com
Publications & Presentations
PubMed
- 3 citationsLow Anti-Tumor Necrosis Factor Levels During Maintenance Phase Are Associated With Treatment Failure in Children With Crohn's Disease.Jonathan Moses, Jeremy Adler, Shehzad A Saeed, Ann M Firestine, Joseph A Galanko
Inflammatory Bowel Diseases. 2025-07-07 - 3 citationsHLA DQA1*05 and Risk of Antitumor Necrosis Factor Treatment Failure and Anti-Drug Antibody Development in Children With Crohn's Disease.Jeremy Adler, Joseph A Galanko, Rana Ammoury, Keith J Benkov, Athos Bousvaros
The American Journal of Gastroenterology. 2025-05-01 - HLA DQA1*05 and risk of anti-TNF treatment failure and anti-drug antibody development in children with Crohn's Disease: HLA DQA1*05 and Pediatric Crohn's Disease.Jeremy Adler, Joseph A Galanko, Rana Ammoury, Keith J Benkov, Athos Bousvaros
The American Journal of Gastroenterology. 2024-10-18
Press Mentions
Advancing Pediatric GI Care: Children’s National at the 2025 NASPGHAN ConferenceNovember 17th, 2025
Q & a with Celiac Disease Program Director Vahe Badalyan, M.D.September 28th, 2021
117 GI Physicians to Know in 2019December 20th, 2019
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