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Education & Training

  • Fellowship Program, Cardiovascular Surgery, 2016
    Children's National Medical Center
  • Residency Program, General Surgery, 2005
    All India Institute of Med Sciences
  • MBBS, 2000
    Kilpauk Medical College

Board Certifications

  • American Board of Pediatrics

National Provider ID: 1629424478


Karthik Ramakrishnan, M.D., is a pediatric heart surgeon with Children's National Hospital. After completing his fellowship in congenital cardiac surgery at two major centers in Australia, Dr. Ramakrishnan joined as a fellow at Children’s National in July 2014. After completing two years of fellowship, Dr. Ramakrishnan was promoted and joined the staff at Children’s National in October 2016. He has extensive experience in managing children with congenital heart disease.

Apart from routine open heart procedures in children, Dr. Ramakrishnan has a special expertise in ECMO procedures and PDA ligation in extremely premature babies. He also has a keen interest in studying clinical outcomes after heart surgery in children. His research projects have included analysis of the UNOS database and the PHIS database, and his research has resulted in numerous presentations at national and international meetings.

Dr. Ramakrishnan also is currently the principal investigator at Children’s National for the Pediatric Heart Transplant Study (PHTS) group and the study coordinator for the Congenital Heart Surgeon’s’ Society (CHSS) studies. He is a member of the PHTS working group on the surveillance and diagnosis of cellular rejection, and his clinical studies have resulted in several publications in top peer-reviewed journals.

Dr. Ramakrishnan is an educator. He loves teaching and views his regular interaction with the staff in the cardiac intensive care unit (ICU) as a two-way learning experience that ultimately results in better care for the patients.