Gastroenterology
Jessica Allegretti, M.D.
Associate Professor of Medicine, Harvard Medical School; Medical Director, Crohn’s and Colitis Center; Associate Director, Crohn’s and Colitis Center; Director, Fecal Microbiota Transplant Program, Brigham and Women’s Hospital
Dr. Jessica Allegretti is an attending gastroenterologist at Brigham and Women's Hospital in Boston, MA, specializing in inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. She serves as Associate Director and Medical Director of the Crohn's and Colitis Center, where she leads the Clinical Trials Program, directing research on inpatient ulcerative colitis treatment, infliximab dose de-escalation in Crohn's disease, and the intersection of Clostridioides difficile
17+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (American Board of Internal Medicine)
- Internal Medicine (American Board of Internal Medicine)
Education & Training
- Harvard School of Public Health — Master of Public Health
- University of Miami Leonard M. Miller School of Medicine — M.D., 2009
- Mass General Brigham/Brigham and Women's Hospital — Fellowship, Gastroenterology, 2012-2015
- Mass General Brigham/Massachusetts General Hospital — Residency, Internal Medicine, 2009-2012
Peer Recognition
- Boston Magazine — Top Doctors
2022-2025 (4 years)
- Boston Magazine — Top Doctor
2022-2025 (4 years)
- Castle Connolly — Top Doctor
2022-2026 (5 years)
2020
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Brigham and Women's Hospital
Languages
English
Experience
17+ years in practice