Gastroenterology
Daniel Leffler, MD
Associate Professor of Medicine, Harvard Medical School; Director of Research, Celiac Center, Beth Israel Deaconess Medical Center; Senior Medical Director, Takeda Pharmaceuticals
Dr. Daniel Leffler is an Associate Professor of Medicine at Harvard Medical School and Director of Research at the Celiac Center at Beth Israel Deaconess Medical Center in Boston. He is a board-certified gastroenterologist with over 20 years of clinical experience and a specific focus on celiac disease and digestive disorders. Dr. Leffler divides his time between direct patient care, quality improvement initiatives, and clinical and translational research. His research has been funded by the Nat
19+
Years in Practice
Credentials
Board Certifications
- Internal Medicine (ABIM)
- Gastroenterology (ABIM)
- Gastroenterology (National Board of Physicians and Surgeons)
Education & Training
- Ben Gurion University of the Negev, Faculty of Health Science — M.D., 2002
- Beth Israel Deaconess Medical Center — Residency, Internal Medicine, 2002-2005
- Beth Israel Deaconess Medical Center — Fellowship, Gastroenterology, 2005-2008
Peer Recognition
- Boston Magazine — Top Doctor
2022-2025 (4 years)
- Boston Magazine — Featured
- Castle Connolly — Top Doctor
2022-2026 (5 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Beth Israel Deaconess Medical Center
Languages
English
Experience
19+ years in practice