James Yun, MD, PhD
Cardiac Surgery
Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleAbout James Yun
Biography
James J. Yun, M.D., Ph.D. is a staff cardiac surgeon in the Department of Thoracic and Cardiovascular Surgery in the Sydell and Arnold Miller Family Heart, Vascular & Thoracic Institute.
Special Interests: Cardiothoracic transplantation, adult cardiac surgery, extracorporeal membrane oxygenation (ECMO) therapy, cardiothoracic surgical education, interdisciplinary teamwork.
Number of Procedures Performed: Cleveland Clinic performs more than 4,000 heart surgeries each year. All Cleveland Clinic cardiac surgeons complete between 300-400 cardiac cases per year.
Success rates: As one of the nation's highest-volume cardiac surgical
centers, Cleveland Clinic treats highly complex and critically ill patients, performing procedures that only a handful of surgeons across the country can do.You can view success rates for specific procedures at http://my.clevelandclinic.org/heart/about-heart-vascular-institute/treatment-outcomes.aspx
Education and Training: Dr. Yun earned his undergraduate degree from Harvard University and his medical degree from Yale University School of Medicine. He trained in general surgery at Yale-New Haven Hospital and Brigham & Women’s Hospital, then completed cardiothoracic surgery fellowship at Stanford University Hospital as well as advanced cardiac surgery and cardiothoracic transplant fellowship at Cleveland Clinic.
During his general surgery training, he also earned a PhD in Experimental Pathology from the University of California, Los Angeles.
Leisure Activities: In his leisure time, Dr. Yun enjoys classical music and spending time with his family and fiancé.
Education & Board Certifications
Education
- Fellowship: Cleveland Clinic, 2010
- Fellowship: Stanford University Hospital, 2007
- Residency: Brigham & Women's Hospital, 2004
- Residency: Yale-New Haven Hospital, 2002
- Graduate School: University of California Los Angeles, 2001
- Medical Education: Yale University School of Medicine, 1995
- Undergraduate: Harvard University, 1990
Board Certifications
- Thoracic and Cardiac Surgery: American Board of Thoracic Surgery, 2009
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-06-12, Dr. Yun has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
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