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Photo of Dr. Keith Horvath

Keith Andrew Horvath, M.D.

Specializes In: Adults (18+ years)


Appointment Phone


Main Location

Johns Hopkins Community Physicians at Suburban Hospital

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

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  • Surgery at Suburban Hospital


Johns Hopkins Community Physicians at Suburban Hospital

Appointment Phone: 301-896-7610

8600 Georgetown Road
NIH Heart Center
Bethesda, MD 20814 map
Phone: 301-896-7610


Aortic Aneurysms, Aortic Valve Repair, Cardiac Surgery, Cardiovascular Surgery, Mitral Valve Repair, Revascularization, Thoracic Surgery, Thoracoscopy, Transmyocardial Laser Revascularization


Dr. Keith Horvath is the Director of Cardiothoracic surgery research at the NHLBI and chief of cardiothoracic surgery at Suburban Hospital, where he leads the NIH Heart Center.

Dr. Horvath is recognized as one of the DC metropolitan area’s top cardiac surgeons based on responses from a Washingtonian questionnaire sent to 7,000 area physicians asking them where they would send their family members for care.

Dr. Horvath has performed close to 5,000 valve surgeries and he has achieved excellent outcomes in terms of fewer complications, lower mortality rates and fewer readmissions after surgery, based on data from the Society of Thoracic Surgery National Database.
You can learn about Dr. Horvath’s leading-edge research at the National Heart, Lung, and Blood Institute by reading “On the other Side of the Lens: Photographer Turns Focus to His Heart."

As a highly respected surgeon and gifted researcher, Dr. Horvath has clinical investigation interests including mitral valve repairs and aortic surgery.

To learn about Dr. Horvath’s program leadership and ability to translate research into direct patient care, click here. more

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Keith Horvath, M.D.

    Additional Information

  • Education +


    • University of Chicago Pritzker School of Medicine / MD (1987)


    • Brigham and Women's Hospital / General Surgery (1994)
    • Brigham and Women's Hospital / Cardiothoracic Surgery (1996)
    • Childrens Hospital / Cardiothoracic Surgery (1996)


    • Brigham and Women's Hospital / Cardiothoracic Surgery (1997)


    • American Board of Thoracic Surgery / Thoracic Surgery (1997, 2005)
  • Research & Publications +

    Selected Publications

    Title Off-pump Surgery for Giant Right Coronary Artery Aneurysms.
    Date April 2012
    Journal: Journal of Cardiac Surgery

    Title:Surgical and Nonsurgical Complications of a Pig to Baboon Heterotopic Heart Transplantation Model.
    Date January 2011
    Journal:Transplantation Proceedings

    Title:Left Ventricular Pressure Measurement by Telemetry is an Effective Means to Evaluate Transplanted Heart Function in Experimental Heterotopic Cardiac Xenotransplantation.
    Date January 2011
    Journal:Transplantation Proceedings

    Title: Rapid and Dynamic Alterations of Gene Expression Profiles of Adult Porcine Bone Marrow-derived Stem Cell in Response to Hypoxia.
    Date May 2010

    Journal: Stem Cell Research

    Title: Direct Injection of Autologous Mesenchymal Stromal Cells Improves Myocardial Function.

    Date December 2009

    Journal: Biochemical and Biophysical Research Communications

  • Academic Affiliations & Courses +
  • Activities & Honors +


    • One of America's Leading Experts on: Myocardial Ischemia
    • Castle Connolly America's Top Doctors, 2009 - 2014
    • Top Doctors, Washingtonian Magazine, 2012


    • American Board of Thoracic Surgery
    • Cardiothoracic Surgery Network
    • Society of Thoracic Surgeons
  • Videos & Media +

    Lectures and Presentations

    Heart Valve Research

    Recent News Articles & Media Coverage

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