Dr. Alfieris holds memberships in prestigious organizations such as the Society of Thoracic Surgeons and the Congenital Heart Surgeons Society, highlighting his commitment to advancing cardiovascular surgery. His involvement in the New York State Department of Health Cardiac Advisory Committee underscores his influence in shaping cardiac care policies.

Certified by both the American Board of Surgery and the American Board of Thoracic Surgery, Dr. Alfieris demonstrates a high level of expertise and dedication to his field. These credentials signify his qualifications to perform a wide range of surgical procedures, particularly in the specialized realm of congenital heart surgery, ensuring optimal care for his patients.