The pathologist Leonardos Ioannis maintains a private office in Chalkida. The Specialist Pathologist Chalkida consistently and professionally treats patients suffering from pathological, allergic, gastrointestinal and rheumatological disorders, as well as liver disorders, hormonal and immune metabolic disorders, infections, cardiovascular diseases, gastrointestinal disorders, diseases affecting the lungs, kidney or blood diseases and all other matters of general medicine.