David Johnson is a Gastroenterology physician. ClinicalTrials.gov lists 4 registered studies matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Research metrics aren't shown for this record. Either we found no confident publication match for this name, or more than one physician shares the matched author record. We'd rather show nothing than someone else's numbers. Why? →
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
650 E Indian School Rd
Phoenix, AZ 850121839
Telephone
602-277-5551Registry record last updated 8 Jul 2007.
Clinical trials
- Assessing Uniqueness of Inflammatory Bowel Disease Related Microbiome-derived Biomarkers
Sponsor: HyGIeaCare, Inc.
- INCremental Dialysis to Improve Health Outcomes in People Starting Haemodialysis (INCH-HD)
Sponsor: The University of Queensland
- Evaluation of Stool Microbiome Using HyGIeaCare Prep
Sponsor: HyGIeaCare, Inc.
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
2 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Organogenesis Inc.Program year20222 payments
- ORGANOGENESIS INC.Program year20214 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Similar KOLs
Other experts from the same institution or the same specialty.
Josep M. Llovet
Institució Catalana de Recerca i Estudis Avançats
Joseph J.�Y. Sung
Nanyang Technological University
Neeraj Bhala
The Royal Melbourne Hospital
Jordi Bruix
Hospital Clínic de Barcelona
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.”