

Cardiology
Ioannis Mastoris, MD
Instructor of Medicine, Harvard Medical School
Boston, MA
Dr. Ioannis Mastoris, MD, is an Advanced Heart Failure and Transplant Cardiologist at Massachusetts General Hospital in Boston, MA, specializing in early and advanced heart disease, including systolic heart failure, heart transplant, mechanical circulatory support (MCS), exercise physiology, and remote patient monitoring. He primarily serves adult patients requiring evidence-based therapies for complex cardiac conditions. His signature approaches incorporate the latest advancements in heart
15+
Years in Practice
Credentials
Board Certifications
- Advanced Heart Failure and Transplant Cardiology (American Board of Internal Medicine)
- Cardiovascular Disease (American Board of Internal Medicine)
- Echocardiography (National Board of Echocardiography)
- Internal Medicine (American Board of Internal Medicine)
Education & Training
- Fellowship, Kansas University School of Medicine
- Residency, Albert Einstein College of Medicine
- MD, University of Athens School Of Medicine, Greece
- University of Athens / College of Medicine / School of Health Science National & Kapodistrian
Clinical Focus
Subspecialties
Advanced Heart Failure & Transplant
Conditions & Treatments
Heart FailureAdvanced Heart FailureHeart TransplantationMechanical Circulatory SupportVentricular Assist Devices
Practice Details
Hospital Affiliations
- Massachusetts General Hospital, Boston, MA
- Massachusetts General Hospital
- North Shore Medical Center
- Newton-Wellesley Hospital
Languages
English, French[2], Greek[2]
Experience
15+ years in practice