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Ram Kumar Subramanyan, M.D.
Ram Kumar Subramanyan, MD, PhD

Ram Kumar Subramanyan, MD, PhD, is an assistant professor of Surgery and Pediatrics at the Keck School of Medicine of the University of Southern California. After completing his medical education at Madras Medical College, India, Dr. Subramanyan moved to the United States and completed his general surgery residency in 2008 under the chairmanship of Tom R. DeMeester, MD. He then continued his cardiothoracic surgery training and Congenital Cardiac Surgery Fellowship under Vaughn A. Starnes, MD.

Dr. Subramanyan is a surgeon-scientist who, during his surgery residency, completed a PhD in Pathobiology studying angiogenesis and blood vessel maturation in the laboratory of Parkash S. Gill, MD. He runs a basic science research lab studying molecular signaling by endothelial and endocardial membrane proteins. His research focuses on the mechanisms governing the development of heart and blood vessels, and their translational role in improving end-organ perfusion in ischemia, as well as curtailing angiogenesis in vascular proliferative disorders, including cancer. Dr. Subramanyan has over 30 peer-reviewed publications, has co-authored two books, several textbook chapters and has made over 20 presentations in a variety of conferences.


Ram Kumar Subramanyan, MD, PhD
Assistant Professor of Surgery
University of Southern California,
Keck School of Medicine


Cardiovascular Thoracic Institute
Keck School of Medicine
University of Southern California
1520 San Pablo Street, Suite 4300
Los Angeles, CA 90033

Phone: (323) 442-5849 (office)
E-mail: RamKumar.Subramanyan@med.usc.edu


Children’s Hospital of Los Angeles
4650 Sunset Boulevard
Los Angeles, CA 90027
Phone: (323) 361-4148
Fax: (323) 361-3668



  • University of Southern California, Los Angeles, California, Ph.D. (Pathobiology), 2006
  • Madras Medical College, Madras, India, M.B., B.S. (M.D.) 1998
  • DAV Higher Secondary School, Madras 86, India, 1992


  • University of Southern California School of Medicine, General Surgery Residency, Los Angeles, California, June 2008
  • University of Southern California, Los Angeles County/University of Southern California Medical Center, Los Angeles, California, Thoracic Surgery Residency, June 2011
  • Children's Hospital Los Angeles, Los Angeles, California, Congenital Cardiac Surgery Residency, June 2012


  • University of Southern California, Division of Vascular Surgery, Department of Surgery, Research Fellow, Vascular Biology Laboratory, 07/2004 to 06/2006
  • University of Southern California, Research Fellow, Vascular Gene Therapy Research Laboratory, Department of Surgery – 1999
  • University of Southern California, Research Fellow, Neurovascular Biology Research Center, Department of Neurological Surgery, 1999-2000
  • University of Southern California School of Medicine, Los Angeles, California, Institution and/or Hospital (Cardiothoracic Surgery), June 2011
  • University of Southern California School of Medicine, Los Angeles, California, Institution and/or Hospital (Congenital Cardiac Surgery), June 2012

Board Certification

  • American Board of General Surgery, 2009
  • American Board of Thoracic Surgery, 2012


  • Dissertation Research Grant from Tobacco-Related Disease Research Program, California, USA, 2005.
  • Outstanding scholar and Best teacher award, Department of Surgery, USC 2008.
  • Best teacher award, University of Southern California 2009
  • Medal winner for best student in eight departments in Medical School – Surgery, Clinical Surgery and Clinical Medicine, Internal medicine, Therapeutic medicine, Cardiology, Microbiology, Physiology, and Biochemistry.


  • English


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