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Theo Heller, MD

Enriched profile

Chief, Translational Hepatology Section / Senior Investigator, Liver Diseases Branch · National Institutes of Health

ORCIDNPI
Region🇺🇸 Bethesda, MD · Northeast · United StatesSpecialtyGastroenterologyFocusHepatitis C virus research+4
Active KOLfindmyKOL typefindmyKOL type: our influence ranking, shown when you reveal the full profileLatest publication2026Online presenceverified 2026PaymentsNone reportedNIH fundingNone on fileWhy? →

Theo Heller is Chief, Translational Hepatology Section / Senior Investigator, Liver Diseases Branch at National Institutes of Health. OpenAlex indexes 486 publications with 23,024 citations (h-index 68); ClinicalTrials.gov lists 11 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 14 Aug 2026

Overview

Updated 27 Aug 2026

Theo Heller, MD, is Chief, Translational Hepatology Section / Senior Investigator, Liver Diseases Branch at National Institutes of Health (NIDDK, Liver Diseases Branch). The public record shows 486 publications with 23,024 citations (h-index 68), centered on Hepatitis C virus research, Liver Disease Diagnosis and Treatment, Hepatitis B Virus Studies. It also documents an investigator role on 11 registered clinical trials.

  • Most recent indexed publication: 2026 · Hepatology international
  • Top research focus: Hepatitis C virus research
  • 11 registered trials on ClinicalTrials.gov

Generated from the cited public record · current as of 27 Aug 2026. Every fact links its source below.

Indications focus

from trials led + research topics
Hepatitis D3 trialsViral Hepatitis (B/C)1 trialHepatitis C1 trialAnemia, Sickle Cell1 trialHypertension1 trialCystic Fibrosis1 trialHypertension, Portal1 trialImmunologic Deficiency Syndromes1 trialTurner Syndrome1 trialCysts1 trialHepatic Fibrosis, Congenital1 trialCholangitis, Sclerosing1 trialCholangitis1 trialHeart Defects, Congenital1 trialSubstance Use Disorders1 trialAlcoholism1 trial

Research focus

OpenAlex concept fingerprint
Hepatitis C virus researchLiver Disease Diagnosis and TreatmentHepatitis B Virus StudiesLiver Disease and TransplantationImmunodeficiency and Autoimmune Disorders

Works with

trial sponsors and companies reporting payments
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)Clinical trials11Industry payments

Scholarship

indexed output and impact (OpenAlex)
View publications ↓
486publications

Distinct works indexed by OpenAlex, matched via ORCID; 23 in PubMed.

23,024citations

Total citations across indexed works.

68h-index

Hirsch index (OpenAlex). i10-index 190.

Clinical & industry

trials, payments and federal funding
11clinical trials

Investigator role on registered studies.

View trials
0companies · 2021 onward

Companies reporting payments to CMS. Facts, not judgments.

View payments
0NIH grants

Federally funded research awards.

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.

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Clinical trials

Updated 27 Aug 2026

Listed as an investigator on 11 registered studies on ClinicalTrials.gov. The most recent:

8 more trial records behind the reveal.Reveal →

Industry payments

No payments involving this person were reported to CMS in program years 2021–2024. Why? →

NIH funding

We didn't find any NIH-funded research awards for this person in NIH RePORTER. Why? →

Congress activity

Updated 27 Aug 2026

5 congress contributions (2019–2025) across AACR, ASH per OpenAlex. The most recent:

Published abstracts are attributed via the same ORCID-disambiguated authorship as publications, so each is DOI-verified. Podium roles (invited talks, session chairs) and oral/poster type are added as program data is confirmed.

Publications

Updated 27 Aug 2026

Their five most recent publications, matched to their ORCID record and linked to PubMed.

Network

Updated 27 Aug 2026

The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.

Christopher Koh174David E. Kleiner161Steven M. Holland70

Online presence

Updated 27 Aug 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/theo-heller-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
  • ResearchGate

    researchgate.net/scientific-contributions/Theo-Heller-39954017

    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 →researchgate.net

Mentions by others

where others cite or feature them
  • Facebook

    facebook.com/JSRDF/posts/dr-theo-heller-a-hepatologist-at-the-nih-discusses-how-ultrasounds-of-the-liver-/10157606097324441

    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →facebook.com
  • Facebook

    facebook.com/NIDDKgov/posts/this-liver-awareness-month-meet-niddk-researcher-dr-theo-heller-and-his-team-fro/946792557493978

    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →facebook.com
  • X / Twitter

    x.com/NIHClinicalCntr/status/1918350808866816243

    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 →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 27 Aug 2026

Credentials, appointments and honors, newest first, each linked to the public source it came from.

Education

degrees and training on record
  • FAASLD - Fellow

    American Association for the Study of Liver Diseases

    2017
    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 →fda.gov
  • Hepatology Fellowship

    Liver Diseases Branch, NIDDK, NIH

    2003
    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 →niddk.nih.gov
  • Gastroenterology and Hepatology Fellowship

    University of Maryland Medical Systems

    2000
    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 →niddk.nih.gov
  • Postdoctoral Fellowship

    Hepatitis Viruses Section, NIAID, NIH

    1997
    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 →niddk.nih.gov
  • Internal Medicine Residency

    Georgetown University Hospital

    1993
    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 →niddk.nih.gov
  • MB.BCh. (M.D. equivalent)

    University of the Witwatersrand

    1989
    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 →fda.gov
  • B.S.

    University of Cape Town

    1983
    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 →niddk.nih.gov

Editorial & leadership roles

journal and society appointments
  • Editorial board member

    Gastroenterology and Hepatology journal

    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →fda.gov

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 →niddk.nih.gov
  • 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 →niddk.nih.gov
  • Fellow

    American Association for the Study of Liver Diseases (FAASLD)

    2017
    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 →fda.gov
5 more awards behind the reveal.Reveal →

Media & interviews

press, podcasts and appearances

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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