Overview
Updated 14 Jul 2026
Gregory M. Marcus, MD, is Professor of Medicine (Professor-in-Residence) at University of California, San Francisco (UCSF), Division of Cardiology, Department of Medicine. The public record shows 1,024 publications with 82,961 citations (h-index 107), centered on Cardiac Arrhythmias and Treatments, Atrial Fibrillation Management and Outcomes, Cardiac electrophysiology and arrhythmias. It also documents an investigator role on 16 registered clinical trials, industry payments reported by 4 companies, 4 NIH-funded awards (2014–2025).
- Most recent indexed publication: 2026 · Research square
- Top research focus: Cardiac Arrhythmias and Treatments
- 16 registered trials on ClinicalTrials.gov
- Open Payments reporting from 4 companies
Generated from the cited public record · current as of 14 Jul 2026. Every fact links its source below.
Indications focusfrom trials led + research topics
Research focusOpenAlex concept fingerprint
Drugs & moleculesacross trials, industry payments and publications
Works withtrial sponsors and companies reporting payments
Scholarshipindexed output and impact (OpenAlex)
View publications ↓Distinct works indexed by OpenAlex, matched via ORCID; 62 in PubMed.
Total citations across indexed works.
Hirsch index (OpenAlex). i10-index 512.
Clinical & industrytrials, payments and federal funding
Clinical trials
Updated 14 Jul 2026
Listed as an investigator on 16 registered studies on ClinicalTrials.gov. The most recent:
- Out-of-office Monitoring for Rhythms Of Normal Versus Atrial Fibrillation
Sponsor: University of California, San Francisco
InvestigatorEnrolling, by, invitationNCT07582523 - Disrupted Sleep and Concurrent Ectopy or Atrial Fibrillation
Sponsor: University of California, San Francisco
InvestigatorRecruitingNCT07220525 - Gauging Outcomes of Total Milk Ingestion on Lipid and gControl
Sponsor: University of California, San Francisco
InvestigatorRecruitingNCT07087184
Industry payments
Updated 14 Jul 2026
4 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:
- Medtronic, Inc.Program year20251 payment
- Medtronic, Inc.Program year20241 payment
- Abbott LaboratoriesProgram year20241 payment
NIH funding
Updated 14 Jul 2026
4 NIH research awards on record, funded 2014–2025 per NIH RePORTER. The latest:
- Applying Digital Health to the AF Ablation NCDR, Enabling Longitudinal Follow-up
University of California, San Francisco
FY2025$710,084R01HL158825 - Digital Interventions to Study and Influence the Alcohol-Atrial Fibrillation Connection
University of California, San Francisco
FY2025$477,431R01AA022222 - Digital Interventions to Study and Influence the Alcohol-Atrial Fibrillation Connection
University of California, San Francisco
FY2024$725,580R01AA022222
Publications
Updated 14 Jul 2026
Their five most recent publications, matched to their ORCID record and linked to PubMed.
- Digital Health Intervention to Promote Lifelong Specialized Care in Adults With Congenital Heart Disease: Theory-Driven Community Co-Designed Study.
Journal of medical Internet research
2026 - Exploring Phosphatidylethanol Cutoffs for Self-Reported Unhealthy Alcohol Use: An International Multi-Site Analysis.
Alcohol, clinical & experimental research
2026
Most-cited worksby citation count (OpenAlex)
- 01Heart Disease and Stroke Statistics—2012 Update7,234 citations2011
- 02Heart Disease and Stroke Statistics—2011 Update6,170 citations2010
- 03Heart Disease and Stroke Statistics—2014 Update5,230 citations2013
- 04Heart Disease and Stroke Statistics—2013 Update5,188 citations2012
- 05
Contact
No public contact details on file. This person's NPPES record doesn't include a practice address or telephone number. Why? →
Network
Updated 14 Jul 2026
The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.
Background & recognition
Updated 14 Jul 2026
Credentials, appointments and honors, newest first, each linked to the public source it came from.
Educationdegrees 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 →profiles.ucsf.edu ↗
- 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 →profiles.ucsf.edu ↗
- Board Certified
Clinical Cardiac Electrophysiology, American Board of Internal Medicine
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 →ucsfhealth.org ↗ - Internal Medicine residency and Chief Medical Resident
Stanford University Medical Center
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 →ucsfhealth.org ↗ - Cardiovascular Disease and Cardiac Electrophysiology fellowships
UCSF School of Medicine
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 →ucsfhealth.org ↗
Editorial & leadership rolesjournal and society appointments
- Associate Editor
JAMA
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 →profiles.ucsf.edu ↗ - Chair-Elect
American Heart Association Committee on Drugs, Alcohol, and Tobacco
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →google.com ↗ - Writing committee member
AHA/ACC/HRS Management of Atrial Fibrillation guidelines
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →google.com ↗
Awards & honorshonors on the public 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 →profiles.ucsf.edu ↗
- 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 →profiles.ucsf.edu ↗
- 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 →profiles.ucsf.edu ↗
Secondary affiliationsappointments beyond the home institution
- UCSF Health
Associate Chief of Cardiology for Research
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 →ucsfhealthcardiology.ucsf.edu ↗ - UCSF Center for Tobacco Control Research and Education
faculty member
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 →tobacco.ucsf.edu ↗ - Get in Rhythm
Stay in Rhythm (UCSF patient/CME education initiative), faculty
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →getinrhythm.com ↗
Media & interviewspress, 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 →ucsf.edu ↗
- 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 →ucsf.edu ↗
- Guest
Coffee People podcast, discussion of DECAF/CRAVE trials on coffee and cardiac arrhythmia
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →coffeepeoplepodcast.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.
Online presence
Updated 14 Jul 2026
This person's own public accounts first, then places where others mention them. Two different things, listed separately.
Owned accountspublic accounts run by this person
- Doximity
doximity.com/pub/gregory-marcus-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 ↗ - X / Twitter
x.com/gregorymmarcus
- ResearchGate
researchgate.net/profile/Gregory-Marcus
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →researchgate.net ↗
Mentions by otherswhere others cite or feature them
- Other
coffeepeoplepodcast.com/dr-gregory-marcus-associate-chief-of-cardiology-for-research-at-ucsf-health
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 →coffeepeoplepodcast.com ↗ - YouTube
youtube.com/watch
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 →youtube.com ↗ - YouTube
youtube.com/watch
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 →youtube.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.
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