Gastroenterologist

Leoforos Kifisias 332, Chalandri, Attica

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Why he is suitable for you

Sioulas Athanasios MD, PhD, FEBGH is a Gastroenterologist with a private practice in Chalandri. He holds a doctorate from the Medical School of the National and Kapodistrian University of Athens and is also a graduate of the same institution. He completed his specialty training in Gastroenterology at the Hepatogastroenterology Unit of the 2nd Propaedeutic Medical Clinic of the University General Hospital "Attikon" and subsequently undertook advanced training as a fellow of the Hellenic Gastroenterology Society in the Endoscopy Department of the Universitätsklinikum Hamburg - Eppendorf (UKE) in Hamburg, Germany. His advanced training focused on diseases of the pancreas and biliary tract with an emphasis on endoscopic diagnostic and therapeutic techniques (ERCP, cholangioscopy). In addition to his clinical activities, Dr. Sioulas has a special interest in basic and clinical research in the field of gastroenterology, with numerous publications in reputable international scientific journals and presentations at Greek and international conferences. Currently, he practices general gastroenterology and hepatology, covering the entire spectrum of digestive system diseases, with an emphasis on endoscopic diagnostic and therapeutic methods. He works closely with leading surgeons, oncologists, radiologists, and radiotherapists to provide his patients with high-quality services in accordance with current clinical guidelines. Finally, Dr. Sioulas is a member of the Hellenic Gastroenterological Society, the European Board of Gastroenterology and Hepatology, and the European Society of Gastrointestinal Endoscopy.

  • Professional Identification Number: 6865
The description was edited by the doctoranytime team, based on verified information.

Services

Costs are indicative and will be determined on a case by case basis

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Patient Reviews

9.9
From 200 reviews

Real reviews for real people

Investigated my case in depth
9.9
Trustworthy
9.9
Experienced & qualified
9.9
Punctual
9.8
Approachable & friendly
9.9

Reviews are written by people who had an appointment with a specialist and want to share their experience. Learn how we ensure their authenticity

  • All (200)
  • Positive (200)
  • Neutral (0)
  • Negative (0)

10.0
Ναυσικά • 3 reviews
Είναι πολύ σοβαρός επαγγελματίας.
26 May 2026

10.0
Martha • 9 reviews
Αξιέπαινος επιστήμονας αναλυτικότατος ήρεμος και με ευγένεια
20 May 2026

10.0
ΘΕΟΔΩΡΑ • 3 reviews
Εξαιρετική κατάρτιση, υψηλό επίπεδο ιατρικών υπηρεσιών και ποιότητα συμπεριφοράς. Εξηγεί στον ασθενή την περίπτωσή του με πληρότητα και απολύτως κατανοητό τρόπο, το οποίο συμβάλλει τα μέγιστα στον τρόπο με τον οποίο ο ίδιος ο ασθενής αντιμετωπίζει την πάθησή του.
15 May 2026

10.0
ANTOINE • 2 reviews
On time. Professional and thorough.
24 April 2026

10.0
Άννα-Μαρία • 1 review
Άρτια καταρτισμένος. Highly recommended.
21 April 2026

9.6
Emmanouil • 5 reviews
Δευτερη φορά που επισκεπτομαι τον Κο Σιουλα για επαναλητική κολονοσκοπηση. Επαγγελματιας,προσιτός τυπικός,οργανωμενος.Ολα οπως πρεπει
18 March 2026

10.0
ΟΥΡΑΝΙΑ • 1 review
Ο ΚΥΡΙΟΣ ΣΙΟΥΛΑΣ ΠΟΛΥ ΚΑΛΟΣ ΚΑΙ ΕΥΓΕΝΙΚΟΣ!!! ΑΚΟΥΕΙ, ΚΑΤΑΓΡΑΦΕΙ ΟΤΙ ΤΟΥ ΠΕΙΣ ...ΚΑΙ ΦΑΙΝΕΤΑΙ ΝΑ ΕΙΝΑΙ ΠΟΛΥ ΚΑΛΟΣ ΓΝΩΣΤΗΣ ΤΟΥ ΑΝΤΙΚΕΙΜΕΝΟΥ ΤΟΥ!
18 March 2026

10.0
Γεωργία • 1 review
Εμπνέει εμπιστοσύνη, καθυσηχαστικος ιδιαίτερα αναλυτικός
13 February 2026

10.0
Κώστας • 9 reviews
Εξαιρετικός επιστήμονας και πάνω απ όλα άνθρωπος. Με υπομονή, μου εξήγησε τα πάντα αναλυτικά, με άκουσε προσεκτικά και ασχολήθηκε σοβαρά με μένα και το πρόβλημα μου. Τον προτείνω ανεπιφύλακτα.
03 February 2026

10.0
Arion • 1 review
Εξαιρετικός, to the point και πάρα πολύ καθησυχαστικός. Τον ευχαριστώ πολύ!
23 January 2026

Contact and location

    • Address
      Leoforos Kifisias 332, Chalandri, Attica
    • Metro
      • 1,95km ΕΙΡΗΝΗ
      • 1,98km ΝΕΡΑΤΖΙΩΤΙΣΣΑ
      • 2,25km ΑΓΙΑ ΠΑΡΑΣΚΕΥΗ
    • Bus
      • 35m ΥΓΕΙΑ
      • 44m ΥΓΕΙΑ
      • 262m ΑΣΤΥΝΟΜΙΑ
    • Parking
      • 78m PARKING IONEL
      • 295m ΚΟΝΤΟΣ Β. - ΜΕΓΑΡΙΤΗ Γ. & ΣΙΑ Ο.Ε.
      • 725m PARKING OF GOLDEN HALL
Could not find any practice in map.

Payment Methods

  • Payment Methods

    • Bank Card
    • Cash

    Appointment Policy

    • Payment at the practice

      During your visit, you can select the payment method of your choice from the options mentioned above.

    • Cancellation

      You can always cancel up to 3 hours before the appointment. For more information please read our cancellation policy.

    Insurances

    • Private appointment

Collaborations with Hospitals/Clinics

  • Νοσοκομείο ΥΓΕΙΑ, Νοσοκομείο ΜΗΤΕΡΑ

Curriculum Vitae and Career

Studies

  • Doctorate, Medical School, National and Kapodistrian University of Athens
  • Fellow of the European Board of Gastroenterology and Hepatology (EBGH)
  • Postgraduate Training, Advanced Endoscopic Techniques of the Gastrointestinal System, Department of Interdisciplinary Endoscopy, University Medical Center Hamburg - Eppendorf
  • Specialist in Internal Medicine and Gastroenterology (Medical Association Hamburg, Germany)
  • Diploma of the European Board of Gastroenterology and Hepatology
  • Gastroenterology Specialty, Athens Prefecture
  • Medical Degree, Medical School, National and Kapodistrian University of Athens

Professional experience

  • Associate Director, 3rd Gastroenterology Clinic, HYGEIA Hospital, Greece
  • Post-graduate Clinical/Research Fellow, Department of Interdisciplinary Endoscopy, University Medical Center Hamburg - Eppendorf, Germany
  • Gastroenterology Specialist Trainee, Hepatogastroenterology Unit, 2nd Propaedeutic Internal Medicine Clinic - Research Unit, Attikon University General Hospital
  • Physician, Day Therapy Unit, Hematology-Oncology Department, IASO Hospital
  • Internal Medicine Specialist Trainee, 3rd Internal Medicine Clinic, 417 Military Fund Nursing Institution (NIMTS)

Organisations member

  • Ελληνική Γαστρεντερολογική Εταιρεία (ΕΓΕ)
  • European Section and Board of Gastroenterology and Hepatology (ESBGH)
  • Ιατρικός Σύλλογος Αθηνών (ΙΣΑ)

Spoken languages

  • English
  • German

Academic research and publications

  • Πλήθος εργασιών του έχουν δημοσιευθεί σε έγκριτα διεθνή επιστημονικά περιοδικά (https://www.ncbi.nlm.nih.gov/pubmed/?term=sioulas+a) και παρουσιαστεί σε ελληνικά και διεθνή συνέδρια.
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