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Letoon Private HospitalLetoon Private Hospital

M.D., Specialist Cem Gönlüşen

Internal Medicine

Spec. Dr. Cem Gönlüşen serves in the Internal Medicine Department at Private Letoon Hospital. With a patient-centered approach and a comprehensive understanding of treatment, he is here for you and your family.

Education & Specialization
  • Private Yeni High School, 1981
  • Gülhane Military Medical Academy, 1981 – 1987
  • Gülhane Military Medical Academy, Internal Medicine Specialization, 1991 – 1995
Experience
  • 3rd Corps Headquarters, Health Department Directorate, 1988 – 1991
  • SSK GATA Internal Medicine, 1991 – 1995
  • Various Military Hospitals (Internal Medicine Specialist), 1995 – 2006
  • Private Elvan Medical Center, 2006 – 2009
  • Koza Medical Center, 2009 – 2010
  • Private Çağ Hospital, 2010 – 2012
  • Private Yüzüncü Yıl Hospital, 2012 – 2013
  • İstanbul Hospital, Chief Physician, 2013 – 2014
  • İstanbul Hospital, 2015 – 2017
  • Medicana Avcılar, 2017 – 2019
  • Private Yeni İklim Hospital Bağcılar, 2019 – 2020
  • Private Avcılar Hospital, İstanbul, 2020 – 2024
  • Private Doğa Hospital, 2024 – 2025
  • Private Letoon Hospital, 2025 – Present
Areas of Treatment
  • Thyroid Diseases
  • Hypertension
  • Diabetes
  • Gastrointestinal Diseases
  • Hormonal and Metabolic Disorders
Professional Memberships
  • Turkish Medical Association (TTB)