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Gulsah Ozturk Ozluk
18
years of experience

Gulsah Ozturk Ozluk

  • Specialization: Neurosurgeon
  • 18 years of experience
  • Speaks:
    English
  • Online consultations: available
  • Workplace: Turkey, Istanbul, Memorial Şişli Hospital

Online consultation with Gulsah Ozturk Ozluk

Convenient and easy
100% secure and confidential
Price on request
4.6
Excellent score
20 patient verified reviews
1 star
5%
2 stars
0%
3 stars
0%
4 stars
15%
5 stars
80%

Patient reviews

About clinic Memorial Şişli Hospital
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1-5 of 20 reviews
Anonymous • Immunotherapy with Keytruda (Pembolizumab)
Netherlands
May 31, 2026
Verified review.
The doctor and all the staff have been very attentive and professional, which gives me confidence that I made the right choice of clinic and treatment process
My main concern before starting treatment was how my body would react to the drug. I’m undergoing a course of Keytruda immunotherapy for kidney cancer, receiving an infusion every three weeks. Yes, I have experienced some side effects. These are mainly digestive issues, and I feel a little more tired. Of course, I am still concerned that these might get worse over time. But I must say that the doctor and all the staff have been very attentive and professional, which gives me confidence that I made the right choice of clinic and treatment process.
Lolita Pritikovskaya • Rhinoplasty (nose job)
Ukraine
May 17, 2026
Verified review.
I’m very grateful
My biggest worry was that my nose would look unnatural and that the result wouldn’t live up to my expectations. Now, even though I’m still recovering, I can see that I was worrying for nothing. They removed a small bump, and the bridge of my nose is straighter, just as I’d hoped. I’d also like to mention that the tip of my nose now looks more refined. My breathing has improved too. I think ultrasonic piezorhinoplasty was the right choice. The whole team, from the staff to the surgeon, were very attentive and professional, which helped me feel at ease. I’m very grateful.
We loved everything; the organisation was top-notch. A special thank you to our coordinator, Valentina. They helped us sort everything out and were always on hand. Thank you so much 🙏🏻❗️
Rami • Dental Implant
Canada
May 17, 2026
Verified review.
His support, responsiveness, and commitment made all the difference for me, and I am sincerely grateful for everything he did
I want to sincerely thank Winnington at Bookimed for the exceptional support he provided during my dental treatment (4 implants) journey in Istanbul. What truly stood out was how Winnington completely transformed a very stressful situation into a successful and fully satisfying experience. I only had a 3-day stay in Istanbul after a long 9.5 hrs flight from Canada, initially I had an appointment arranged with another clinic that I honestly did not feel comfortable moving forward with. At that point, the situation became very stressful because of the limited time I had available and the fear of wasting the entire trip without receiving the treatment I urgently needed. This is where Winnington went far above and beyond. Understanding the urgency and pressure I was under, he acted incredibly fast and managed to arrange a new appointment for me with Memorial Hospital on extremely short notice. Thanks entirely to his efforts, coordination, and persistence, I was able to secure an appointment almost immediately despite the tight timeline. That single action completely changed the outcome of my trip. The experience at Memorial Hospital was outstanding from start to finish, I left extremely satisfied with both the care and the results. Throughout the entire process, Winnington stayed in constant communication, followed up regularly, helped clarify pricing and logistics, handled concerns professionally, and genuinely made me feel supported during a very stressful moment. What impressed me most was not only his professionalism, but his ability to deliver solutions under pressure and truly advocate for the patient. Without his quick actions and dedication, my trip could have easily turned into a disappointing experience. I highly recommend Bookimed (big shout out to Winnington) to anyone considering medical treatment abroad. His support, responsiveness, and commitment made all the difference for me, and I am sincerely grateful for everything he did.
I want to sincerely thank Winnington at Bookimed for the exceptional support he provided during my dental treatment (4 implants) journey in Istanbul. What truly stood out was how Winnington completely transformed a very stressful situation into a successful and fully satisfying experience. I only had a 3-day stay in Istanbul after a long 9.5 hrs flight from Canada, initially I had an appointment arranged with another clinic that I honestly did not feel comfortable moving forward with. At that point, the situation became very stressful because of the limited time I had available and the fear of wasting the entire trip without receiving the treatment I urgently needed. This is where Winnington went far above and beyond. Understanding the urgency and pressure I was under, he acted incredibly fast and managed to arrange a new appointment for me with Memorial Hospital on extremely short notice. Thanks entirely to his efforts, coordination, and persistence, I was able to secure an appointment almost immediately despite the tight timeline. That single action completely changed the outcome of my trip. The experience at Memorial Hospital was outstanding from start to finish, I left extremely satisfied with both the care and the results. Throughout the entire process, Winnington stayed in constant communication, followed up regularly, helped clarify pricing and logistics, handled concerns professionally, and genuinely made me feel supported during a very stressful moment. What impressed me most was not only his professionalism, but his ability to deliver solutions under pressure and truly advocate for the patient. Without his quick actions and dedication, my trip could have easily turned into a disappointing experience. I highly recommend Bookimed (big shout out to Winnington) to anyone considering medical treatment abroad. His support, responsiveness, and commitment made all the difference for me, and I am sincerely grateful for everything he did.
Tat'yana • Consultation with an orthopaedist
United Kingdom
May 9, 2026
Verified review.
They all deserve top marks
Strange as it may sound, my overall rating is zero. That said, I can’t say a single bad word about either the surgeon or the clinic staff. They all deserve top marks. The doctor was very attentive and professional, and the support team did everything they could to help. The problem isn’t with the people. The problem is that the outcome of the consultation and what followed completely overshadowed all the positive impressions, leaving me in a very difficult situation during the recovery phase. The service was good, but the result was not.
Qualifications of doctors and medical staff
Online answers to questions It takes a very long time
Anonymous • Hip replacement
Moldova
May 7, 2026
Verified review.
Thanks to the successful operation, I started walking without a limp almost as soon as I tried doing so without crutches
Before the operation, I was most worried about a possible difference in leg length, but now they feel exactly the same. The operation was performed via an anterior approach using a Stryker implant. A huge thank you to the wonderful doctor, Professor Olcay Güler. He is always positive, a pleasure to talk to, and uses modern techniques as well as robotic surgery for procedures like this. Direct anterior access is the best option for those who want a faster and better recovery, and there are very few specialists who use this modern method. On the 7th day after the operation, I had already started walking without crutches, even though I hadn’t rushed my recovery; the doctors do recommend walking with crutches for two weeks. Thanks to the successful operation, I started walking without a limp almost as soon as I tried doing so without crutches. I should note that I deliberately didn’t walk with just one crutch; I used both, but walked with them using the Nordic walking technique with poles. I think this also helped me avoid limping straight away. If anyone needs joint replacement surgery, I highly recommend Professor Olcay Güler and the Memorial Şişli Clinic; a good doctor is the key to a successful return to normal life. And of course, a huge thank you to the Bookimed team and personally to coordinator Sergey, who patiently selected the clinic and doctor for me! In the early stages of recovery, the hardest thing for me is getting in and out of the car. A tip for future patients: prepare comfortable trousers without elastic at the bottom in advance, slip-on shoes, and a special device for putting on compression garments and socks – a butler or glider – will also come in very handy, but only if you’re doing everything without assistance.
A huge thank you to the wonderful doctor, Professor Olcay Güler. He always has a positive attitude, is a pleasure to talk to, and uses modern techniques as well as robotic surgery for procedures of this kind. Direct anterior approach is the best solution for those who want a faster and better recovery, and there are very few specialists who practise this modern method. On the 7th day after the operation, I had already started walking without crutches, even though I hadn’t rushed my recovery; the doctors do recommend walking with crutches for two weeks. Thanks to the successful operation, I started walking without a limp almost immediately after trying to do so without crutches on the 7th day. I also made a point of not walking with just one crutch; I used both, but walked with them in the style of Nordic walking with poles. I think this also helped me avoid limping straight away. If anyone needs joint replacement surgery, I highly recommend Professor Olcay Güler and the Memorial Şişli Clinic; a good doctor is the key to a successful return to normal life. And of course, a huge thank you to the Bookimed team and personally to coordinator Sergey, who patiently helped me find the right clinic and doctor!
There are no downsides, just one suggestion: to produce a short leaflet for the clinic’s patients setting out post-operative restrictions, initial exercises, and exercises for further rehabilitation six weeks later, when most restrictions will have been lifted.
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Qualifications

2019 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurosurgery Specialist

2016 - 2019, Istanbul/Istanbul/Türkiye

ACIBADEM HEALTH GROUP

Neurosurgery Specialist

2015 - 2016, /USA

OREGON HEALTH AND SCIENCE UNIVERSITY

Neurosurgery Specialist

2013 - 2016, Mardin/Mardin/Türkiye

MARDIN STATE HOSPITAL

Neurosurgery Specialist

2012 - 2013, Istanbul/Istanbul/Türkiye

HASEKİ TRAINING AND RESEARCH HOSPITAL

Neurosurgery Specialization Training

2011 - 2012, Istanbul/Istanbul/Türkiye

MARMARA UNIVERSITY TRAINING AND RESEARCH HOSPITAL

Neurosurgery Specialization Training

2011 - 2011, /USA

JOHN'S HOPKINS UNIVERSITY

Neurosurgery Specialization Training

2008 - 2011, Istanbul/Istanbul/Türkiye

HASEKİ TRAINING AND RESEARCH HOSPITAL

Neurosurgery Specialization Training

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