About Nathaniel Langer, MD

Nathaniel Langer, MD, MSc, is a board-certified adult cardiac surgeon at the Massachusetts General Hospital, an Assistant Professor of Surgery at Harvard Medical School, and a member of the Corrigan Minehan Heart Center. His practice focuses on transcatheter aortic valve replacement (TAVR) and minimally invasive treatment of heart valve disease, as well pulmonary thromboendarterectomy and coronary artery bypass grafting.

Dr. Langer received his medical degree (MD) from Columbia University's Vagelos College of Physicians and Surgeons and his Master of Science (MSc) degree from Paris-Sud University in Paris, France. He completed his internship, residency, and chief residency in cardiothoracic surgery at New York-Presbyterian Hospital/Columbia University Irving Medical Center.

Dr. Langer's research interests include clinical outcomes in adult cardiac surgery, as well as right ventricular metabolism and right ventricular failure in patients with pulmonary hypertension.

Clinical Interests:



Cardiac Surgery
55 Fruit Street
Boston, MA 02114-2696
Phone: 617-726-2593

Medical Education

  • MD, Columbia University College of Physicians and Surgeons
  • Residency, New York Presbyterian Columbia Campus

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


The focus of my research is on clinical outcomes in adult cardiac surgery, specifically following transcatheter aortic valve replacement (TAVR) and complex cardiac surgical procedures. I also study right ventricular failure in patients with pulmonary hypertension.