Justin Gregory is Field Medical Director, Autoimmune Type 1 Diabetes, Sanofi at Sanofi. OpenAlex indexes 92 publications with 1,661 citations (h-index 20); ClinicalTrials.gov lists 3 registered studies with this person as an investigator.
Data verified 17 Aug 2026
Overview
Updated 27 Aug 2026
Justin Gregory, MD, is Field Medical Director, Autoimmune Type 1 Diabetes, Sanofi. The public record shows 92 publications with 1,661 citations (h-index 20), centered on Diabetes Management and Research, Diabetes and associated disorders, Pancreatic function and diabetes. It also documents an investigator role on 3 registered clinical trials, industry payments reported by 9 companies, 4 NIH-funded awards (2013–2024).
- Most recent indexed publication: 2025 · Diabetes care
- Top research focus: Diabetes Management and Research
- 3 registered trials on ClinicalTrials.gov
- Open Payments reporting from 9 companies
Generated from the cited public record · current as of 27 Aug 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; 19 in PubMed.
Total citations across indexed works.
Hirsch index (OpenAlex). i10-index 30.
Clinical & industry
trials, payments and federal fundingContact
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 27 Aug 2026
Listed as an investigator on 3 registered studies on ClinicalTrials.gov. The most recent:
- A Study to Determine Iatrogenic Hyperinsulinemia's Contribution to Insulin Resistance and Endothelial Dysfunction in Type 1 Diabetes
Sponsor: Vanderbilt University Medical Center
- Impact of a Low-Carbohydrate Diet in Pediatric Type 1 Diabetes
Sponsor: Vanderbilt University Medical Center
Industry payments
Updated 27 Aug 2026
9 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:
- SANOFI-AVENTIS U.S. LLCProgram year202536 payments$97,249openpaymentsdata.cms.gov ↗
- SANOFI US SERVICES INC.Program year20256 payments$31,575openpaymentsdata.cms.gov ↗
- GENZYME CORPORATIONProgram year20255 payments$13,002openpaymentsdata.cms.gov ↗
NIH funding
Updated 27 Aug 2026
4 NIH research awards on record, funded 2013–2024 per NIH RePORTER. The latest:
- Cardiometabolic Benefit of Reducing Iatrogenic Hyperinsulinemia Using Insulin Adjunctive Therapy in Type 1 Diabetes
Vanderbilt University Medical Center
FY2024$340,747R01DK137997 - Optimizing Stage 2 T1DM Management: Assessing the Impact of GLP-1Ra on Metabolic Outcomes in Patients Receiving Teplizumab
Vanderbilt University Medical Center
FY2024$317,999R01DK139322 - Determination of Iatrogenic Hyperinsulinemia's Contribution to Insulin Resistance and Endothelial Dysfunction in Recent-Onset Type 1 Diabetes
Vanderbilt University Medical Center
FY2022$185,435K23DK123392
Congress activity
Updated 27 Aug 2026
5 congress contributions (2019–2025) across ADA per OpenAlex. The most recent:
- 1227-P: Reduced-Carbohydrate Diets Elevate IGFBP-1 in Type 1 Diabetes
ADA Scientific Sessions
ADA2025Co-authorPoster - 824-P: Uncovering the Bidirectional Glucose-Dependent Relationship of Insulin and Glucagon—A Meal-Challenge Study in Patients with Type 1 Diabetes
ADA Scientific Sessions
ADA2025Co-authorPoster - 148-OR: CGM Time Below Range Predicts Epinephrine Response to Hypoglycemia in Patients with Type 1 Diabetes
ADA Scientific Sessions
ADA2023Co-authorOral
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.
- Combination SGLT2 Inhibitor and Glucagon Receptor Antagonist Therapy in Type 1 Diabetes: A Randomized Clinical Trial.
Diabetes care
Clinical Trial2025
Most-cited works
by citation count (OpenAlex)- 01
- 02Vaccine-boosted CAR T crosstalk with host immunity to reject tumors with antigen heterogeneityArticle210 citations2023
- 03Enhanced Photocurrent Production by Photosystem I Multilayer AssembliesArticle147 citations2010
- 04
- 05The Peripheral Peril: Injected Insulin Induces Insulin Insensitivity in Type 1 DiabetesArticle73 citations2020
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.
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/justin-gregory-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 ↗ - Google Scholar
scholar.google.com/citations
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 →scholar.google.com ↗ - ResearchGate
researchgate.net/profile/Justin-Gregory
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- Other
pediatrics.vumc.org/person/justin-m-gregory-md-msci
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →pediatrics.vumc.org ↗ - Other
vanderbilthustler.com/2026/05/22/beyond-the-diagnosis-dr-justin-gregory-reflects-on-type-1-diabetes-awareness-and-his-journey-at-vumc
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 →vanderbilthustler.com ↗ - Other
hcplive.com/view/improving-t1d-screening-adult-men-prevent-complications-justin-gregory-md-ms
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →hcplive.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- 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 ↗
- 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 ↗
- Board Certified
Pediatrics - American Board of Pediatrics
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗ - Board Certified
Pediatric Endocrinology - American Board of Pediatrics
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗
Awards & honors
honors on the public record- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗
Media & interviews
press, podcasts and appearances- 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 →vanderbilthustler.com ↗
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →hcplive.com ↗
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →hcplive.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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Other experts from the same institution or the same specialty.