Ενδοκρινολόγος - Διαβητολόγος

Leoforos Iasonidou 62, Elliniko, Elliniko, Attica

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Why he is suitable for you

Gravvanis Xristos MD, PhD (c) is a Military Physician, Endocrinologist - Diabetologist, and maintains his private practice in Helliniko, while simultaneously serving as an attending physician in the Endocrinology Clinic of the 251 Air Force General Hospital. He is a doctoral candidate at the Medical School of the National and Kapodistrian University of Athens and holds a medical degree from the Medical School of Aristotle University of Thessaloniki and the Military Officers School of Corps (SSAS). He specialized in Endocrinology at the Endocrinology Unit and Metabolism and Diabetes Center of GNA G. Gennimatas, the 1st Internal Medicine Clinic of the 251 Air Force General Hospital, and during his specialty training, he received education at the Menopause and Climacteric Department of the 2nd Obstetrics and Gynecology Clinic of the University of Athens, in Endocrine Disorders during Pregnancy at the Endocrinology Department of GNA Elena Venizelou, and in Pediatric Endocrinology at the Endocrinology Department of Growth and Development, G.N.P.A. P&A Kyriakou. Additionally, he attended and successfully completed numerous seminars (Advanced Trauma Life Support (ATLS), Prehospital Trauma Life Support (PHTLS), Advanced Life Support (ALS), Air Force Medicine School). He is a member of the Athens Medical Association and the European Society of Endocrinology (ESE), as well as the Medical Association of the Oberbayern region in Germany (Deutsche Approbation als Arzt/ Regierung von Oberbayern). Finally, he possesses extensive research activity with published papers in international medical journals and numerous presentations at Greek and international conferences. In his practice, he manages cases covering the entire spectrum of his specialty, providing personalized care to each patient with the goal of delivering high-quality services in a modern endocrinology clinic.

  • Professional Identification Number: 1771/28-2-2011
The description was edited by the doctoranytime team, based on verified information.

Experience

Relative Experience

  • Diabetes
  • Thyroid
  • Osteoporosis
256 patients' recommendations

Services

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

Patient Reviews

10.0
From 256 reviews

Real reviews for real people

Investigated my case in depth
10.0
Trustworthy
10.0
Experienced & qualified
10.0
Punctual
9.9
Approachable & friendly
10.0

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 (256)
  • Positive (256)
  • Neutral (0)
  • Negative (0)

10.0
Athina • 2 reviews
Παρά πολυ καλός, μου έμπνευση εμπιστοσύνη, θα ξανά πήγαινα σίγουρα.
13 May 2026

10.0
Ελένη • 1 review
Πολύ καλός. Επεξηγούν όσα έλεγε και ήταν πολύ φιλικός και ενέπνεε εμπιστοσύνη.
08 May 2026

10.0
Niki • 2 reviews
Εξαιρετικός επαγγελματίας. Ασχολείται σχολιαστικά με το πρόβλημα και βρίσκει άμεσα λύση. Τον συστήνω ανεπιφύλακτα.
05 May 2026

10.0
Άντζελα • 4 reviews
Παρά πολύ καλό γιατρός , μου εξήγησε τα πάντα για τον θυρεοειδή. Μου έγραψε όλες τις βασικές εξετάσεις και με ενημερώσω για πάρα πολλά πράγματα .
29 April 2026

10.0
Διονυσία • 1 review
Εξαιρετικός γιατρός. Καταρτισμένος και με συνέπεια.
30 March 2026

9.8
ΚΑΛΛΙΟΠΗ • 1 review
Είναι ένας πάρα πολύ ευγενικός γιατρός που με συνέπεια και υπευθυνότητα παρακολουθεί επί χρόνια το θέμα που έχω στον θυροειδή. Είναι αναλυτικός καθησυχαστικός και άμεσος απόλυτα καταρτισμένος. Χαίρομαι που υπάρχουν τέτοιοι γιατροί στις μέρες μας!
27 March 2026

10.0
Αγγελική Μαρία • 1 review
Μου τον σύστησε μια γνωστή μου. Όντως είναι πολύ καλός Ιατρός κατανοητός εκπέμπει εμπιστοσύνη μου εξήγησε το πρόβλημα μου αναλυτικά. Έμεινα ευχαριστημένη έχω πάει σε αρκετούς ενδοκρινολογους και ο Κύριος Γραββάνης είναι ο Καλύτερος!!
20 March 2026

9.8
Κωνσταντινος • 1 review
Έμπειρος, προσεκτικός και αναλυτικός. Ακούει με προσοχή, εξηγεί καθαρά τις επιλογές και ζητά στοχευμένες εξετάσεις. Εμπνέει εμπιστοσύνη, δείχνει ανθρωπιά και προσφέρει ολοκληρωμένη, επιστημονικά τεκμηριωμένη φροντίδα.
20 March 2026

10.0
Στέλλα • 3 reviews
Εξαιρετικός γιατρός, διευρεύνησε το θέμα μου σε βάθος.
17 March 2026

10.0
Αριάδνη • 1 review
Εξαιρετικός γιατρός, καταρτισμένος και με γνώση πάνω στο αντικείμενο!
13 March 2026

Contact and location

    • Address
      Leoforos Iasonidou 62, Elliniko, Elliniko, Attica
    • Metro
      • 949m ΕΛΛΗΝΙΚΟ
      • 1,61km ΑΡΓΥΡΟΥΠΟΛΗ
    • Bus
      • 83m ΠΛΑΠΟΥΤΑ
      • 110m ΕΚΚΛΗΣΙΑ
      • 136m ΕΚΚΛΗΣΙΑ
    • Parking
      • 119m KOSTAS DOOR
      • 998m 33I 13 PARKING
      • 1,00km ΙΔΙΩΤΙΚΟ ΠΑΡΚΙΝΓΚ ΑΒ ΒΑΣΙΛΟΠΟΥΛΟΣ
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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.

Curriculum Vitae and Career

Studies

  • PhD Candidate at the National and Kapodistrian University of Athens (NKUA), Doctoral Thesis Title: "The impact of Primary Hyperaldosteronism and targeted therapeutic treatment on the cardiovascular system and kidneys."
  • Specialization in Endocrinology, Endocrinology Clinic and Diabetes Center at "G. Gennimatas" University General Hospital of Athens (2017 - 2021)
  • Specialization in Endocrinology, 1st Internal Medicine Clinic, 251 Air Force General Hospital (2015 - 2017)
  • Training in Menopause and Climacteric Unit, 2nd Obstetrics and Gynecology Clinic, University of Athens (2021)
  • Training in Endocrine Disorders during Pregnancy, Endocrinology Department, Elena Venizelou General Hospital (2021)
  • Training in Pediatric Endocrinology, Growth and Development Endocrinology Department, P&A Kyriakou Children's General Hospital (2021)
  • Advanced Trauma Life Support (ATLS - 2010)
  • Prehospital Trauma Life Support (PHTLS - 2011)
  • Advanced Life Support (ALS - 2011)
  • Air Force Medical School, 251 Air Force General Hospital (2011)
  • Medical Degree, Aristotle University of Thessaloniki, and Military Officers School of Corps Degree (SSAS) (2010)

Professional experience

  • Consultant, Endocrinology Clinic, 251 Air Force General Hospital
  • Endocrinology Trainee, Endocrinology Unit and Metabolism and Diabetes Center, GNA G. Gennimatas
  • Training in the Menopause and Climacteric Department, 2nd Obstetrics and Gynecology Clinic, University of Athens
  • Training in Endocrine Disorders during Pregnancy, Endocrinology Department, GN Elena Venizelou
  • Training in Pediatric Endocrinology, Endocrinology Department of Growth and Development, G.N.P.A. P&A Kyriakou
  • Internal Medicine Resident, 1st Internal Medicine Clinic, 251 Air Force General Hospital
  • Head of Health Service, 114 Air Force Base Tanagra
  • Responsible for staff training on hygiene and first aid topics
  • Trainee Physician, 1st Internal Medicine Clinic / Emergency Department, 251 Air Force General Hospital

Organisations member

  • Ιατρικός Σύλλογος Αθηνών
  • Deutsche Approbation als Arzt (Regierung von Oberbayern)
  • European Society of Endocrinology (ESE)

Participation in conferences

  • Πλήθος Ανακοινώσεων σε Διεθνή και Ελληνικά Συνέδρια

Spoken languages

  • English
  • German

Academic research and publications

  • Πλήθος Επιστημονικών Δημοσιεύσεων
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