Ibrahim Ziyal

years of experience

Dr Ibrahim Ziyal — Neurosurgeon in Istanbul

Specialisation: Neurosurgeon
30 years of experience
Speaks:
English, Turkish
Workplace: Turkey, Istanbul, Memorial Göztepe Hospital
Served as Professor and Head of Neurosurgery at Marmara University (2012–2025).
Dr. Ibrahim Ziyal is a neurosurgeon at Memorial Göztepe Hospital in Istanbul (2025–present). He was Professor and Head of Neurosurgery at Marmara University (2012–2025). Earlier, he held faculty roles at Hacettepe University (2001–2012). He was the Founding Head of Neurosurgery at Abant İzzet Baysal University, Düzce (1999–2001). He also worked as a clinical researcher in brain tumors at George Washington University (1996–1998). He then focused on cerebrovascular diseases at the São Paulo Institute of Neurological Sciences (1998–1999).

Expertise: skull base tumors, pituitary surgery, and aneurysm/AVM/cavernoma surgery. Neurosurgery training: Şişli Etfal Hospital. MD: Trakya University. Memberships: Turkish Neurosurgical Society, Neuro-Oncology Association, AANS, CNS, WFNS, EANS.

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

7 June 2026

Verified review.

The surgeon, staff, and clinic all get a 5/5 from me

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

8 Apr 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

30 Jan 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

17 May 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

Neurosurgery Specialist

2012 – 2025 | Istanbul, Turkey

Marmara University Faculty of Medicine, Department of Neurosurgery

Professor, Head of Department

2001 – 2012 | Ankara, Turkey

Hacettepe University Faculty of Medicine, Department of Neurosurgery

Assistant Professor, Associate Professor, Professor

1999 – 2001 | Düzce, Turkey

Abant İzzet Baysal University, Düzce Faculty of Medicine, Department of Neurosurgery

Assistant Professor, Founding Head of Department

1998 – 1999 | São Paulo, Brazil

São Paulo Institute of Neurological Sciences

Researcher / Clinical Doctor – Cerebrovascular Diseases

1996 – 1998 | Washington, USA

George Washington University

Researcher / Clinical Doctor – Brain Tumors

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EDUCATION

1990 – 1996 | Istanbul, Turkey

Şişli Etfal Hospital, Department of Neurosurgery

Medical Faculty – Neurosurgery Training

1980 – 1986 | Istanbul, Turkey

Trakya University Faculty of Medicine

Doctor of Medicine (MD)

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PROFESSIONAL MEMBERSHIPS

• Turkish Neurosurgical Society

• Neuro-Oncology Association

• The American Association of Neurological Surgeons (AANS)

• Congress of Neurological Surgeons (CNS)

• World Federation of Neurological Surgeons (WFNS)

• European Association of Neurological Surgeons (EANS)

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Professional Trainings, Courses, and Conferences Attended

• George Washington University, USA – Skull Base Tumor Surgery, Neuroanatomy

• São Paulo Institute of Neurological Sciences, Brazil – Aneurysm, AVM, and Cavernoma Surgery

• University of Göttingen, Germany – Pituitary Surgery

Dr Ibrahim Ziyal — Neurosurgeon in Istanbul

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