RamnikJosephXavierMD
Gastroenterology • Boston, MAAssociate Professor, Medicine, Massachusetts General Hospital, Harvard Medical School
Dr. Xavier is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
55 Fruit St
Blk 4
Boston, MA 02114Phone+1 617-724-6007Fax+1 617-724-6832
Education & Training
Massachusetts General HospitalFellowship, Gastroenterology, 1992 - 1996- Massachusetts General HospitalResidency, Internal Medicine, 1990 - 1992
- Massachusetts General HospitalInternship, Internal Medicine, 1989 - 1990
University of Zimbabwe Huggins SOMClass of 1986
Certifications & Licensure
MA State Medical License 1991 - 2025- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Fellow (AGAF) American Gastroenterological Association, 2010
- Super Doctor SuperDoctors.com
Publications & Presentations
PubMed
- Publisher Correction: Spatially restricted immune and microbiota-driven adaptation of the gut.Toufic Mayassi, Chenhao Li, Åsa Segerstolpe, Eric M Brown, Rebecca Weisberg
Nature. 2025-01-01 - Identification of specific microbiota members that induce beige fat biogenesis in response to dietary cues.Kenya Honda, Takeshi Tanoue, Manabu Nagayama, Ayumi Roochana, Samuel Zimmerman
Research Square. 2024-12-03 - Spatially restricted immune and microbiota-driven adaptation of the gut.Toufic Mayassi, Chenhao Li, Åsa Segerstolpe, Eric M Brown, Rebecca Weisberg
Nature. 2024-12-01
Journal Articles
- Investigating Fatigue in IBD PatientsFrancis P Colizzo, Hamed Khalili, John J Garber, Ramnik J Xavier, Clinical Gastroenterology and Hepatology
- Temporal Development of the Gut Microbiome in Early Childhood from the TEDDY StudyRichard E Lloyd, Marian Rewers, William Hagopian, Ramnik J Xavier, Nature
- The Human Gut Microbiome in Early-Onset Type 1 Diabetes from the TEDDY StudyRamnik J Xavier, Marian J Rewers, William A Hagopian, Nature
- Join now to see all
Authored Content
- Investigating Fatigue in IBD PatientsFebruary 2020
Press Mentions
Congrats to the 44 Mass General Investigators Named to the Highly Cited Researchers List for 2022December 8th, 2022- Congrats to the 44 Mass General Investigators Named to Clarivate Analytics’ Highly Cited Researchers List for 2022November 22nd, 2022
- Bacterial BullseyeJuly 25th, 2022
- Join now to see all
Grant Support
- Administrative Core, Center Director, Enrichment ProgramNational Institute Of Diabetes And Digestive And Kidney Diseases2011–2012
- Center For The Study Of Inflammatory Bowel DiseaseNational Institute Of Diabetes And Digestive And Kidney Diseases2008–2012
- Research Training In Digestive DiseasesNational Institute Of Diabetes And Digestive And Kidney Diseases2011
- Bioinformatics CoreNational Institute Of Allergy And Infectious Diseases2011
- Toll-Like Receptors And The Intestinal EpitheliumNational Institute Of Diabetes And Digestive And Kidney Diseases2009–2011
- Systems Biology Of Crohn'S DiseaseNational Institute Of Diabetes And Digestive And Kidney Diseases2008–2011
- Role Of CARMA1 In Inflammatory Lung DiseaseNational Heart, Lung, And Blood Institute2008–2011
- Genetics, Genes, And Pathways In Inflammatory Bowel Disease (IBD)National Institute Of Diabetes And Digestive And Kidney Diseases2009–2010
- Intracellular Epithelial Sensors Of Intestinal BacteriaNational Institute Of Diabetes And Digestive And Kidney Diseases2009
- Genomic Approaches To Host-Pathogen InteractionsNational Institute Of Allergy And Infectious Diseases2006–2009
- SAM68 As Adaptor Molecule In T Cell Signal TransductionNational Institute Of Allergy And Infectious Diseases1997–2001
Professional Memberships
- Fellow
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
