Oikonomidis Nikolaos is a Cardiologist and PhD holder from the Medical School of the University of Athens, with a private practice in Peristeri. Additionally, he serves as a Specialist Cardiologist in the Cardiology Department of Metropolitan Hospital and Cardiologist Consultant at YGEIA Hospital. He specializes in Clinical and Interventional Cardiology, as well as Echocardiography. He manages a wide range of cases, consistently combining his thorough scientific knowledge with many years of experience and professionalism. Furthermore, he continuously pursues education and training in the field of Cardiology, having attended numerous conferences, seminars, and training programs both in Greece and abroad. Finally, his academic publications are noteworthy, including his doctoral thesis entitled "Study of inflammation, tissue, and immunological response in early stages of atheromatosis."