Rohit Loomba MD MHSc

Hepatology & Liver Transplantation

Chief, Division of Gastroenterology and Hepatology, Professor of Medicine with tenure, UC San Diego

9500 Gilman Dr# MC0063La Jolla, CA 92093
Phone+1 858-534-2230
Fax+1 858-534-3338

Dr. Loomba is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—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.

See Dr. Loomba's full profile Already have an account?

Summary

Dr. Rohit Loomba is a gastroenterologist based in La Jolla, CA, specializing in hepatology and liver transplantation. He undertook his gastroenterology fellowship at the University of California San Diego Medical Center and transplant hepatology fellowship at the National Institutes of Health. He also holds an MHS in Clinical Research from Duke University School of Medicine. Currently, he is a tenured professor at the University of California San Diego School of Medicine since 2016. Dr. Loomba has expertise in general gastroenterology, hepatology, viral hepatitides, non-alcoholic fatty liver disease, and hepatic cirrhosis. His research contributions include numerous publications on liver diseases, and he has been actively involved in various clinical trials related to liver conditions. Dr. Loomba's honors include his election to the Association of American Physicians in 2023 and recognition as a highly cited researcher by Clarivate.

Rohit Loomba, MD, MHSc

Dr. Rohit Loomba is Chief, Division of Gastroenterology and Hepatology, and Director, MASLD Research Center, University of California at San Diego

Education & Training

University of California (San Diego) Medical CenterFellowship, Gastroenterology, 2007 - 2009
Duke University School of MedicineMHS, Clinical Research, 2005 - 2007
Clinical Center at the National Institutes of HealthFellowship, Transplant Hepatology, 2004 - 2007
St Luke's HospitalResidency, Internal Medicine, 2000 - 2003
ArMed Forces Medical College PuneClass of 1999

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

CA State Medical License 2007 - 2026
MD State Medical License 2004 - 2010
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

Inducted as an elected member Association of American Physicians (AAP), 2023
Clarivate™ Highly Cited Researcher Across All Fields in Science Globally Web of Science, 2020
Clarivate™ Highly Cited Researcher - 1 in a 1000 based upon global impact Web of Science, 2019

Clinical Trials

Nonalcoholic Fatty Liver Disease (NAFLD) Adult Database 2 Start of enrollment: 2009 Dec 02
COMPLETED
Colesevelam Versus Placebo in the Treatment of Nonalcoholic Steatohepatitis
COMPLETED
PHASE2
Alpha-1 Antitrypsin Deficiency Adult Liver Study
ACTIVE_NOT_RECRUITING

Publications & Presentations

PubMed

Propelling MASLD trials into the era of non-invasive tests.
Li-You Lian, Wen-Yue Liu, Wenhao Li, Rohit Loomba, Mark D Muthiah
The Lancet. Gastroenterology & Hepatology. 2026-10-01
Clinical Use of Noninvasive Testing for Liver Fibrosis in Metabolic Dysfunction-Associated Steatotic Liver Disease.
Maria Mironova, Rohit Loomba
Clinical Gastroenterology and Hepatology. 2026-09-01
Efficacy and safety of zalfermin co-administered with semaglutide in participants with fibrosis and cirrhosis due to metabolic dysfunction-associated steatohepatitis: ...
Rohit Loomba, Jacob George, Laurent Castera, Sven Francque, Eric Lawitz
The Lancet. Gastroenterology & Hepatology. 2026-09-01

Journal Articles

The Lancet Child & Adolescent Health
Arun Sanyal, Stephen A Harrison, Edgar D Charles, Stephanie Noviello, Manal F Abdelmalek, Eric J Lawitz, Rohit Loomba, The Lancet
Differential Activation of Hepatic Invariant NKT Cell Subsets Plays a Key Role in Progression of Nonalcoholic Steatohepatitis
Rohit Loomba, Ariel E Feldstein, The Journal of Immunology
Author Correction: Inflammation-Induced IgA+ Cells Dismantle Anti-Liver Cancer Immunity
Rohit Loomba, MD, Nature

Abstracts/Posters

Treatment with selonsertib, an inhibitor of apoptosis signal regulating kinase 1, hepatic phospho-p38 expression and markers of hepatocellular apoptosis and necrosis i...
Diehl A.M., French D, Xu R, Loomba R, Lawitz E, Freilich B, Shiffman M.L., Chalasani N, Hameed B, Caldwell S, Rinella M, Peach M, Huntzicker E, Turner S, Sullivan T, C..., EASL, 1/1/2017
Improvement of hepatic fibrosis in patients with non-alcoholic steatohepatitis treated with selonsertib is associated with improvement of patient-reported outcomes (PROS)
Younossi Z.M., Stepanova M, Goodman Z, Lawitz E, Charlton M, Loomba R, Hunt S., EASL, 1/1/2017
Methylation signatures in blood show accelerated epigenetic aging in patients with non-alcoholic steatohepatitis compared to healthy controls.
Loomba R, Gindin Y, Jiang Z, Lawitz E, Djedjos C.S., Caldwell S, Xu R, Gong D, Myers R.P., Subramanian G.M., Goodman Z, Charlton M, Afdhal N.H., A.M. Diehl A.M., EASL, 1/1/2017

Lectures

Novel Imaging and Management of NASH
1/1/2017
Imaging assessment of NAFLD
Northwestern University, Chicago, IL - 1/1/2016
Novel phenotyping and imaging advances in NAFLD
Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK, NIH) - 1/1/2016

Authored Content

UCSD Presence at AASLD the Liver Meeting 2023October 2023

Press Mentions

Experts to Advance Best Practices for MASH Therapy IntegrationOctober 3rd, 2025
Medical Bulletin 19/September/2025 - VideoSeptember 18th, 2025
New Drug Stops Fatty Liver Damage in Clinical Trial - VideoSeptember 18th, 2025

Grant Support

Multidisciplinary Research Training in Digestive Physiology and DiseasesUNIVERSITY OF CALIFORNIA, SAN DIEGO2025–2030
Clinical Research on Nonalcoholic Fatty Liver DiseaseUNIVERSITY OF CALIFORNIA, SAN DIEGO2002–2027
San Diego Cirrhosis Clinical Research NetworkUNIVERSITY OF CALIFORNIA, SAN DIEGO2021–2026
San Diego Cirrhosis Clinical Research NetworkUNIVERSITY OF CALIFORNIA, SAN DIEGO2021–2026
Ancillary Studies of NAFLD and NASH in HIV infected AdultsINDIANA UNIVERSITY INDIANAPOLIS2020–2026