Dr. Christopher John Tzanavaris, MD

Dr. Christopher Tzanavaris specializes in internal medicine with advanced training in critical care medicine. He earned his medical degree from Emory University School of Medicine and brings seven years of experience to his practice. His dual expertise allows him to provide comprehensive primary care while also managing critically ill patients requiring intensive monitoring and specialized treatment.

Dr. Tzanavaris practices at Long Island Jewish Medical Center and Katz Women's Hospital in Manhasset and New Hyde Park, New York, where he is affiliated with Northwell Health. He treats conditions such as pleural effusion, hypertension, and non-Hodgkin lymphoma. His procedural skills include performing contrast echocardiography and transthoracic echocardiograms to evaluate heart function, as well as sputum cytology for respiratory assessment.