Lin Chang, MD
Enriched profileProfessor of Medicine; Vice Chief, Vatche and Tamar Manoukian Division of Digestive Diseases, UCLA · UCLA Health
Lin Chang is Professor of Medicine; Vice Chief, Vatche and Tamar Manoukian Division of Digestive Diseases, UCLA at UCLA Health. OpenAlex indexes 430 publications with 22,402 citations (h-index 78); ClinicalTrials.gov lists 12 registered studies with this person as an investigator. By OpenAlex citation count, this profile ranks in the top 5% of Gastroenterology profiles in the findmyKOL directory.
Data verified 21 Sept 2026
Overview
Updated 14 Oct 2026
Lin Chang, MD, is Professor of Medicine at UCLA Health / David Geffen School of Medicine at UCLA. The public record shows 430 publications with 22,402 citations (h-index 78), centered on Gastrointestinal motility and disorders, Congenital gastrointestinal and neural anomalies, Inflammatory Bowel Disease. It also documents an investigator role on 12 registered clinical trials, industry payments reported by 13 companies, 7 NIH-funded awards (1997–2026).
- Most recent indexed publication: 2025 · Neurogastroenterology and motility
- Top research focus: Gastrointestinal motility and disorders
- 12 registered trials on ClinicalTrials.gov
- Open Payments reporting from 13 companies
Generated from the cited public record · current as of 14 Oct 2026. Every fact links its source below.
Indications focus
from trials led + research topicsResearch focus
OpenAlex concept fingerprintDrugs & molecules
across trials, industry payments and publicationsWorks with
trial sponsors and companies reporting paymentsScholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID; 13 in PubMed.
Total citations across indexed works.
Hirsch index (OpenAlex). i10-index 198.
Clinical & industry
trials, payments and federal fundingPublic positions
sourced statements on record- Member
FDA Gastrointestinal Drugs Advisory Committee
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗ - Member
NIH Clinical, Integrative, and Molecular Gastroenterology (CIMG) Study Section
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗
Contact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
Telephone
Practice address and telephone from the federal NPPES registry.
Sign in to view contact details →Clinical trials
Updated 14 Oct 2026
Listed as an investigator on 12 registered studies on ClinicalTrials.gov. The most recent:
- Sitting Interruption and Whole-body Cardiovascular Health
Sponsor: University of North Carolina, Chapel Hill
- Magnetically Controlled Capsule Endoscopy Feasibility Study in Gastric Motility
Sponsor: University of California, Los Angeles
Industry payments
Updated 14 Oct 2026
13 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:
- Eli Lilly and CompanyProgram year20253 payments
- Salix Pharmaceuticals, a division of Bausch Health US, LLCProgram year20253 payments
- GlaxoSmithKline, LLC.Program year20251 payment
Medicare prescribing footprint (2024)
The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.
Metabolism & gastrointestinal
58.9%Guanylate Cyclase-C Agonist22.2%Linzess100%Part D≥12 patientsSerotonin-4 Receptor Agonist17.9%Motegrity100%Part D<11 patients+ 3 more classes in this area
Nervous system
41.1%Tricyclic Antidepressant14.6%Nortriptyline Hcl71%Desipramine Hcl30%Part D<11 patientsSNRI9.3%Venlafaxine Hcl Er57%Savella43%Part D<11 patients+ 4 more classes in this area
Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.
NIH funding
Updated 14 Oct 2026
7 NIH research awards on record, funded 1997–2026 per NIH RePORTER. The latest:
- Sex related differences in Brain Gut Microbiome Interactions in Irritable Bowel Syndrome
University of California Los Angeles
FY2026$1,499,717U54DK123755 - Bidirectional Brain-Gut Signaling in the Persistence of IBS-like Symptoms in Inflammatory Bowel Disease
University of California Los Angeles
FY2026$828,108R01DK147396 - Sex-Specific Peripheral Biomarkers of Increased Stress Reactivity in IBS with Comorbid Symptoms
University of California Los Angeles
FY2026$333,056U54DK123755
Publications
Updated 14 Oct 2026
Their five most recent publications, matched to their ORCID record and linked to PubMed.
- Altered Sigmoid Mucosal Innervation and Mast Cell Proximity to Sensory Nerve Fibers Are Associated With Symptom Severity in Patients With Irritable Bowel Syndrome.
Neurogastroenterology and motility
Article2025 - Sex Differences, Menses-Related Symptoms and Menopause in Disorders of Gut-Brain Interaction.
Neurogastroenterology and motility
Article2025
Most-cited works
by citation count (OpenAlex)- 01Bowel Disorders2,812 citations2016
- 03
- 04
- 05V. Stress and irritable bowel syndrome405 citations2001
Network
Updated 14 Oct 2026
The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.
Online presence
Updated 14 Oct 2026
This person's own public accounts first, then places where others mention them. Two different things, listed separately.
Owned accounts
public accounts run by this person- Doximity
doximity.com/pub/lin-chang-md
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗ - X / Twitter
x.com/LinChangMD
Mentions by others
where others cite or feature them- Apple Podcasts
podcasts.apple.com/us/podcast/dr-lin-chang-on-gi-health/id1567446832
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →podcasts.apple.com ↗ - YouTube
youtube.com/watch
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →youtube.com ↗ - YouTube
youtube.com/watch
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →youtube.com ↗ - X / Twitter
X/Twitter handle @LinChangMD (attribution to this Lin Chang not independently confirmed on-profile)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →x.com ↗
We list an account only when the public record ties it to this person. verified means we've confirmed the match in more than one place; provisional means it looks right but we're still confirming.
Background & recognition
Updated 14 Oct 2026
Credentials, appointments and honors, newest first, each linked to the public source it came from.
Education
degrees and training on record- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
Editorial & leadership roles
journal and society appointments- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- Program Director
UCLA GI Fellowship Program
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗ - Director
Walter and Shirley Wang Center for Integrative Digestive Health, UCLA
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗ - Co-Director
G. Oppenheimer Center for Neurobiology of Stress and Resilience, UCLA (also cited as Director elsewhere)
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗ - Director
Clinical Studies and Database Core, Goodman-Luskin Microbiome Center, UCLA
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗ - Past-President
American Neurogastroenterology and Motility Society (ANMS)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗ - provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗
Awards & honors
honors on the public record- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
Secondary affiliations
appointments beyond the home institution- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →uclahealth.org ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →theromefoundation.org ↗
Media & interviews
press, podcasts and appearances- Healio 'Gut Talk' podcast episode 17
Perspectives on Leadership, Education and the Future of Clinical Care in IBS
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →healio.com ↗ - verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →medscape.com ↗
- "The Life Lab by Death Clock" podcast
Dr. Lin Chang on GI Health (Apple Podcasts)
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →podcasts.apple.com ↗ - verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →youtube.com ↗
- "Lin Chang, MD, on Exclusion and Restrictive Diets in IBS" video
HMP Global Learning Network
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →hmpgloballearningnetwork.com ↗
Every item links to where we found it. verified means we've confirmed it in more than one place; provisional means we found it and are still confirming.
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