Colin Howden is a Gastroenterology physician affiliated with University of Tennessee at Knoxville. OpenAlex indexes 468 publications with 17,245 citations (h-index 69); ClinicalTrials.gov lists 1 registered study matched to this name. By OpenAlex citation count, this profile ranks in the top 10% of Gastroenterology profiles in the findmyKOL directory.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
877 Jefferson Ave
Memphis, TN 38103
Telephone
901-545-6969Registry record last updated 15 May 2018.
Clinical trials
- Functional Dyspepsia Treatment Trial
Sponsor: Mayo Clinic
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
7 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Phathom Pharmaceuticals, Inc.Program year202528 payments$26,827openpaymentsdata.cms.gov ↗
- Phathom Pharmaceuticals, Inc.Program year2024134 payments$128,549openpaymentsdata.cms.gov ↗
- Phathom Pharmaceuticals, Inc.Program year202320 payments$20,684openpaymentsdata.cms.gov ↗
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- ACG Clinical Guideline: Treatment of Helicobacter pylori Infection
The American Journal of Gastroenterology
2024 - Rates of Antimicrobial Resistance in Helicobacter pylori Isolates From Clinical Trial Patients Across the US and Europe
The American Journal of Gastroenterology
2022 - Pharmacodynamics and Pharmacokinetics of the Potassium-Competitive Acid Blocker Vonoprazan and the Proton Pump Inhibitor Lansoprazole in US Subjects
The American Journal of Gastroenterology
2022 - Review article: potassium‐competitive acid blockers for the treatment of acid‐related disorders
Alimentary Pharmacology & Therapeutics
2021
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Other experts from the same institution or the same specialty.
Larry Kilgore, MD
University of Tennessee at Knoxville
Owen Phillips, MD
University of Tennessee at Knoxville
Robert Enck, MD
University of Tennessee at Knoxville
Ryan Schmocker, MD, MS
University of Tennessee at Knoxville
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”