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Jason Gaglia, MD

Enriched profile

Assistant Professor of Medicine, Harvard Medical School; Section Head, Clinical, Behavioral, and Outcomes Research, Joslin Diabetes Center · Joslin Diabetes Center

ORCID↗NPI↗
✓ Full profile
Region🇺🇸 Boston, MA · Northeast · United StatesSpecialtyEndocrinology, Diabetes & MetabolismFocusDiabetes Management and Research+4
Active KOLfindmyKOL type: EliteLatest publication2026Online presenceverified 2026Payments2021–2025NIH funding2022–2025

Jason Gaglia is Assistant Professor of Medicine, Harvard Medical School; Section Head, Clinical, Behavioral, and Outcomes Research, Joslin Diabetes Center at Joslin Diabetes Center. OpenAlex indexes 76 publications with 11,619 citations (h-index 38); ClinicalTrials.gov lists 10 registered studies with this person as an investigator.

Data verified 14 Aug 2026

Overview

Updated 14 Oct 2026

Jason L. Gaglia, MD, is Assistant Professor of Medicine, Harvard Medical School at Joslin Diabetes Center (Harvard Medical School affiliate), Boston, MA. The public record shows 76 publications with 11,619 citations (h-index 38), centered on Diabetes Management and Research, Pancreatic function and diabetes, Diabetes and associated disorders. It also documents an investigator role on 10 registered clinical trials, industry payments reported by 9 companies, 1 NIH-funded awards (2022–2025).

  • Most recent indexed publication: 2026 · Diabetes
  • Top research focus: Diabetes Management and Research
  • 10 registered trials on ClinicalTrials.gov
  • Open Payments reporting from 9 companies

Generated from the cited public record · current as of 14 Oct 2026. Every fact links its source below.

Indications focus

from trials led + research topics
Type 1 Diabetes9 trialsCeliac Disease1 trialType 2 Diabetes

Research focus

OpenAlex concept fingerprint
Diabetes Management and ResearchPancreatic function and diabetesDiabetes and associated disordersDiabetes Treatment and ManagementDiabetes Management and Education

Drugs & molecules

across trials, industry payments and publications
Tzieldgeneric · TeplizumabClinical trials—Industry payments1Publications1Eyleageneric · AfliberceptClinical trials—Industry payments1Publications—

Works with

trial sponsors and companies reporting payments
Vertex Pharmaceuticals IncorporatedClinical trials—Industry payments47Current Health Inc.Clinical trials—Industry payments4Abbott LaboratoriesClinical trials—Industry payments2GentiBio, IncClinical trials2Industry payments—National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)Clinical trials2Industry payments—Ascensia Diabetes Care Us Inc.Clinical trials—Industry payments1AstraZeneca Pharmaceuticals LPClinical trials—Industry payments1Avotres Inc.Clinical trials1Industry payments—COUR Pharmaceutical Development Company, Inc.Clinical trials1Industry payments—Genzyme CorporationClinical trials—Industry payments1Jason GagliaClinical trials1Industry payments—Joslin Diabetes CenterClinical trials1Industry payments—National Institute of Allergy and Infectious Diseases (NIAID)Clinical trials1Industry payments—Regeneron Healthcare Solutions, Inc.Clinical trials—Industry payments1Sanofi-Aventis U.S. LLCClinical trials—Industry payments1University of South FloridaClinical trials1Industry payments—

Scholarship

indexed output and impact (OpenAlex)
View publications ↓
76publications

Distinct works indexed by OpenAlex, matched via ORCID; 10 in PubMed.

11,619citations

Total citations across indexed works.

38h-index

Hirsch index (OpenAlex). i10-index 45.

Clinical & industry

trials, payments and federal funding
10clinical trials

Investigator role on registered studies.

View trials ↓
9companies · 2021–2025

Companies reporting payments to CMS. Facts, not judgments.

View payments ↓
1NIH grants · 2022–2025

Federally funded research awards.

View funding ↓

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 14 Oct 2026

Listed as an investigator on 10 registered studies on ClinicalTrials.gov. The most recent:

All 10 trial records: search, sort and filter.Explore →

Industry payments

Updated 14 Oct 2026

9 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:

All 12 payment records: search, sort and filter.Explore →
View the CMS Open Payments record ↗

Medicare prescribing footprint (2024)

The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.

  • Metabolism & gastrointestinal

    85.1%
    GLP-1 receptor agonist25.9%
    Mounjaro71%Ozempic29%
    Part D<11 patients
    Biguanide (metformin)19.5%
    Metformin Hcl Er100%
    Part D≥12 patients

    + 4 more classes in this area

  • Hormonal (systemic)

    8.6%
    l-Thyroxine8.6%
    Levothyroxine Sodium100%
    Part D<11 patients

  • Cardiovascular

    6.3%
    Statin6.3%
    Rosuvastatin Calcium100%
    Part D<11 patients
Where care is delivered (Part B)100% facility · 0% office

Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.

NIH funding

Updated 14 Oct 2026

1 NIH research award on record, funded 2022–2025 per NIH RePORTER. The latest:

All 4 award records: search, sort and filter.Explore →

Publications

Updated 14 Oct 2026

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

All 10 publications: search, sort and filter.Explore →

Most-cited works

by citation count (OpenAlex)
  1. 01
    2. Classification and Diagnosis of Diabetes:<i>Standards of Care in Diabetes—2023</i>
    2,411 citations2022
    doi.org ↗
  2. 02
    2. Diagnosis and Classification of Diabetes:<i>Standards of Care in Diabetes—2024</i>
    1,815 citations2023
    doi.org ↗
  3. 03
    Th1-specific cell surface protein Tim-3 regulates macrophage activation and severity of an autoimmune disease
    1,627 citations2002
    doi.org ↗
  4. 04
    2. Diagnosis and Classification of Diabetes: Standards of Care in Diabetes—2025
    1,125 citations2024
    doi.org ↗
  5. 05
    9. Pharmacologic Approaches to Glycemic Treatment: Standards of Care in Diabetes—2025
    638 citations2024
    doi.org ↗
All 76 cited works: search, sort and filter.Explore →

Network

Updated 14 Oct 2026

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

Raveendhara R. Bannuru13Robert C. Stanton13Jane Jeffrie Seley13Grazia Aleppo13Kamlesh Khunti13Nuha A. ElSayed12Alissa R. Segal12Ildiko Lingvay11Rozalina G. McCoy11Sarit Polsky11Glenn Matfin11Laya Ekhlaspour11Scott J. Pilla11Robert A. Gabbay9Marisa E. Hilliard8Mary Lou Perry8Priya Prahalad8Billy S. Collins8Dennis Bruemmer8Jennifer L. Sherr8Stephen E. Gitelman8Elizabeth Selvin7Elizabeth A. Beverly7Richard E. Pratley7David A. Baidal7Diane Mathis7Eric L. Johnson7Jeoffrey Bispham6KATHERINE S.M. CHAPMAN6Kevan C. Herold6Richard M. Bergenstal6Linda A. DiMeglio6Jeremy Pettus6Daniel A. Finan6Lina Titievsky6Lori M. Laffel6Tina Liu6Jingwen Liu6Wendy A. Wolf6Kaitlin Hagan6

Online presence

Updated 14 Oct 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/jason-gaglia-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 ↗
  • LinkedIn

    linkedin.com/in/jason-gaglia-md-mmsc-4b5ba4198

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

Mentions by others

where others cite or feature them
  • Other

    thesugarscience.podbean.com/e/heard-on-the-street-jason-gaglia-md-joslin-diabetes-center

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

    LinkedIn profile: Jason Gaglia, MD, MMSc, Joslin Diabetes Center

    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →linkedin.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 14 Oct 2026

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

Education

degrees and training on record
  • Fellowship

    Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center / Joslin Diabetes Center Joint Program

    2006
    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 ↗
  • Residency

    Internal Medicine, Beth Israel Deaconess Medical Center

    2003
    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 ↗
  • MD

    Harvard Medical School (magna cum laude, via Harvard/MIT Health Sciences and Technology Program)

    2001
    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 ↗
  • MMSc
    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →joslin.org ↗
  • Board Certified

    American Board of Internal Medicine – Endocrinology, Diabetes and Metabolism

    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 ↗

Editorial & leadership roles

journal and society appointments
  • Member

    American Diabetes Association Professional Practice Committee, Standards of Care in Diabetes

    2026
    provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →diabetesjournals.org ↗
  • Director

    Type 1 Diabetes TrialNet Clinical Center at Joslin Diabetes Center; Clinical Lead, Stage 1 T1D clinical program, T1D TrialNet (NIH-funded network)

    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 →immuthera.bio ↗
  • Co-director

    Joslin Clinical Translational Research Center Core; Manager, Hood Center (childhood diabetes prevention)

    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 →immuthera.bio ↗
  • Member

    National Institutes of Health Clinical Islet Transplant Program

    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 →joslin.org ↗

Secondary affiliations

appointments beyond the home institution

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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