Hidayet Demir

years of experience

Hidayet Demir

Specialization: Cardiovascular surgeon
11 years of experience
Speaks:
English
Workplace: Turkey, Istanbul, Memorial Göztepe Hospital
Cardiovascular surgeon, member of the European Society for Vascular Surgery (ESVS) and the European Association for Cardio-Thoracic Surgery (EACTS).
Dr. Hidayet Demir is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–). He previously served as an Assistant Professor at Okan University Hospital (2021–2025). He was also a specialist at Ağrı I. Ç. University Training and Research Hospital (2019–2021). Earlier, he worked at City Health Group as Medical Director and ECMO Specialist (2015–2018). He later served as CEO (2018–2025).

Education: MD, Istanbul University Cerrahpaşa (2007–2013). Cardiovascular Surgery residency, SBÜ Kartal Koşuyolu (2013–2019). Beating‑Heart Coronary Bypass observer, Royal Brompton & Harefield Hospital (2018).

Memberships: TKDCD, UVECD, Turkish Medical Association, ESVS, EACTS. Courses: MIRC 2017 (minimally invasive/robotic). UVECD & EVC 2017 Venous Workshop. European Vascular Course 2017: Open Abdominal Aortic Aneurysm Treatment. TKDCD advanced aortic surgery. ESVS aortic arch techniques.

4.6

Excellent score

4 patient verified reviews

1 star

2 stars

3 stars

25%

4 stars

5 stars

75%

Patient reviews

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1-4 of 4 reviews

Anonymous • Gastric sleeve surgery (Sleeve gastrectomy)

Ireland

Jun 7, 2026

Verified review.

My biggest worry was the recovery itself, specifically how tired and weak I would feel. I have to say, my energy level has been better than expected for this early stage. It’s a relief. The surgeon, staff, and clinic all get a 5/5 from me. The biggest eating challenge right now is having no appetite at all, which is an adjustment when you know you need to get your liquids in. I can manage about a quarter cup per sitting, which makes sense given they removed 80-85% of my stomach. Overall, this was the right decision and I would certainly recommend this clinic.

Every Question Answered, Always Kept Intouch, So Helpful and Kind, I couldnt be more comfortable with how Bookimed handle everything. They did an amazing job and any doubt or worry I had they made sure to not worry. The hospital I went to was amazing and they did everything thoroughly. The doctor assigned to me was amazing and so good. After the procedure I was allowed to go back to my hotel 2 days after. My translator Betul on the 2nd day to the day I left was amazing and so pleasant to speak to.

The English Translator on the first day was nice but very invasive and asked personal questions which he was asked not to ask and you could tell that he didnt have much experience.

Anonymous • Diabetes type 2

Kyrgyzstan

Apr 8, 2026

Verified review.

To be honest, if a friend asked me, I wouldn’t recommend this treatment. It’s been 15 days, and so far the results have been rather modest — my blood sugar levels have improved slightly, but that’s about it. The clinic itself deserves high praise; everything is very modern and clean. However, the work of the doctor and staff left a mediocre impression. When I asked questions, time was limited, and I didn’t manage to ask everything I wanted to; the doctor simply said, ‘If you like, come back tomorrow.’ The consultation lasted a mere 15 minutes. The transfer services were very poorly organised, with issues regarding punctuality, constant waiting and frequent changes of interpreters. Perhaps there will be improvements to the treatment in the future. Overall, I got the impression that the hospital’s primary concern is simply making money, and everything else is of secondary importance.

Brian Larson • Male Check-up

United States of America

Jan 30, 2026

Verified review.

I was very satisfied by Memorial hospital's men’s essential health check-up

I was very satisfied by Memorial hospitals men’s essential health check up. Everything went very smoothly, and I feel that my concerns were addressed, and the tests were explained well. I have my results. To show my doctor back home.

Getting important medical tests that I’ve never had my life at 67 like stress test EKG, ultrasounds of my abdomen, and neck

It really can’t be helped, but that the hospital is a little far out of the center of Istanbul

Anonymous • Stem cell therapy for Parkinson's disease

Azerbaijan

May 17, 2026

Verified review.

The doctor's manner of talking and her professionalism.

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Qualifications

EXPERIENCE

2025 – Present, Istanbul / Turkey

MEMORIAL GÖZTEPE HOSPITAL

Specialist in Cardiovascular Surgery

2021 – 2025, Istanbul / Turkey

OKAN UNIVERSITY HOSPITAL

Assistant Professor (Dr. Öğretim Üyesi)

2019 – 2021, Ağrı / Turkey

AĞRI I. Ç. UNIVERSITY TRAINING AND RESEARCH HOSPITAL

Specialist in Cardiovascular Surgery

2018 – 2025, Istanbul / Turkey

CITY HEALTH GROUP

Chief Executive Officer (CEO)

2015 – 2018, Istanbul / Turkey

CITY HEALTH GROUP

Medical Director / ECMO Specialist

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EDUCATION

2018, London / United Kingdom

ROYAL BROMPTON & HAREFIELD HOSPITAL

Beating-Heart Coronary Bypass Observer

2013 – 2019, Istanbul / Turkey

SBÜ KARTAL KOŞUYOLU TRAINING AND RESEARCH HOSPITAL

Residency Training in Cardiovascular Surgery

2007 – 2013, Istanbul / Turkey

ISTANBUL UNIVERSITY CERRAHPAŞA FACULTY OF MEDICINE

Faculty of Medicine (MD)

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PROFESSIONAL MEMBERSHIPS

• TKDCD (Turkish Society of Cardiovascular Surgery)

• UVECD (National Society of Vascular and Endovascular Surgery)

• Turkish Medical Association

• ESVS (European Society for Vascular Surgery)

• EACTS (European Association for Cardio-Thoracic Surgery)

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PROFESSIONAL TRAININGS, COURSES & CONFERENCES ATTENDED

• MIRC 2017 – Minimally Invasive and Robotic Cardiovascular Surgery Congress

• UVECD & EVC 2017 – Venous Workshop

• European Vascular Course 2017 – Open Abdominal Aortic Aneurysm Treatment

• Asian Vascular Surgery Congress

• Üsküdar University – Air Perfusion Congress

• TKDCD Congress – Advanced Techniques in Aortic Surgery

• ESVS – Special Techniques in Aortic Arch Surgery

Hidayet Demir

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