John Ringman is a Neurology physician affiliated with University of Southern California. OpenAlex indexes 506 publications with 34,749 citations (h-index 76); ClinicalTrials.gov lists 2 registered studies matched to this name. By OpenAlex citation count, this profile ranks in the top 5% of Neurology 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
1520 San Pablo Street
Suite 3000
Los Angeles, CA 900335315
Telephone
323-457-5710Provider last certified this registry record 3 Dec 2020.
Clinical trials
- A Positron Emission Tomography (PET) Study Evaluating Brain Metabolism of a Medical Food in Alzheimer's Disease
Sponsor: University of California, Los Angeles
- Curcumin in Patients With Mild to Moderate Alzheimer's Disease
Sponsor: John Douglas French Foundation
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:
- Teva Pharmaceuticals USA, Inc.Program year20241 payment
- EISAI INC.Program year20221 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
NIH funding
11 NIH research awards on record, funded 2003–2025 per NIH RePORTER. The latest:
- Validation of Imaging and Blood-based Small Vessel VCID Biomarkers in Multiethnic Population
University of Southern California
FY2025$1,282,792U01NS100614 - Validation of Imaging and Blood-based Small Vessel VCID Biomarkers in Multiethnic Population
University of Southern California
FY2024$1,286,604U01NS100614 - Phenotype and Genotype of Autosomal Dominant Alzheimer's Disease in Jalisco, Mexico
University of Southern California
FY2024$632,298R01AG069013
Awards in the NIH RePORTER records where a principal investigator name matches this physician at an organization in their practice state. Latest award years shown; each row links to the project record on RePORTER.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
Similar KOLs
Other experts from the same institution or the same specialty.
David Liebeskind, MD
University of Southern California
Lon Schneider, MD
University of Southern California
Amytis Towfighi, MD
University of Southern California
Norah Terrault, MD
University of Southern California
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.”