Overview
| Specialty | Internal Medicine |
|---|---|
| Subspecialty | Cardiology |
| Gender | Male |
| roger.hajjar@mssm.edu | |
| Education and Training | MD, Harvard Medical School |
| Internship, Internal Medicine, Massachusetts General Hospital | |
| Residency, Internal Medicine, Massachusetts General Hospital | |
| Fellowship, Cardiology, Massachusetts General Hospital | |
| Fellowship, Heart Failure, Brigham and Women's Hospital |
Dr. Hajjar is the Research Director of Mount Sinai's Wiener Family Cardiovascular Research Laboratories.

