Dr. Konstantinos Chantzos Specialist in Internal Medicine– Kos

Advanced internal medicine provided by a highly specialized physician – former military doctor – with over 35 years of experience. Having treated thousands of patients from Greece and abroad, consultations are offered in Greek, German, and English.

Medical Services

white and black digital device
white and black digital device

Complex Diagnostics
Undiagnosed conditions, fever of unknown origin, recurrent unexplained symptoms, rare internal medicine cases, second opinions, polypharmacy evaluation.

Cardiometabolic Care
Resistant hypertension, lipid disorders, metabolic syndrome, complex diabetes, cardiovascular risk assessment and prevention.

Autoimmune & Systemic Diseases
Connective tissue diseases, vasculitis, lupus, inflammatory syndromes.

Infectious & Travel Medicine
Fever diagnostics, tropical infections, chronic infections, vaccinations.

Perioperative & High-Risk Evaluation
Pre-surgical assessment, multimorbidity stabilization, medication optimization.

Geriatric & Preventive Medicine
Frailty assessment, cognitive screening, medication review, comprehensive health checkups, personalized prevention plans.

Specialized Services
Advanced ECG diagnostics, occupational medicine, aviation/diving assessment, cardiovascular optimization, stress-related internal medicine.

white digital device at 2 00
white digital device at 2 00

The practice provides comprehensive internal medicine services based on long-standing clinical experience and evidence-based medical standards. The focus lies on precise diagnosis, responsible risk assessment and long-term health management. Acute and chronic conditions are addressed with clinical depth, attention to detail and a commitment to medical excellence.

Medical Education

Medical studies at Aristotle University of Thessaloniki (ΑΠΘ) in combination with the Military School of Officer Corps (ΣΣΑΣ), completing my training as a military medical officer.

Hospital Service

Clinical training and service in major military hospitals:

  • 401 General Military Hospital of Athens

  • 424 General Military Training Hospital of Thessaloniki

  • 414 Military Hospital for Special Diseases

Specialist rotations in:

  • General Hospital of Athens “G. Gennimatas”

  • Children’s Hospital “Agia Sofia”

Military & Operational Background

Training and service in airborne and special operations environments, including:

  • Paratrooper School (ΣΧΑΛ)

  • Underwater Demolition Unit (ΜΥΚ)

  • 1st Paratrooper Squadron (Α’ ΜΑΚ)

  • Advanced Tactical School (ΑΤΑΞΥΠ)

  • 80th National Guard Health Battalion (Aegean)

Profile Summary

  • Combat-capable military medical officer

  • Airborne qualified

  • Experience in operational and hospital environments

  • Extensive field and high-responsibility medical service