Baris Demiriz

  • Specialization: Gastroenterologist
  • 10 years of experience
  • Speaks:
    English, Turkish
  • Workplace: Turkey, Istanbul, Dr. MED
  • Dr. Baris Demiriz is a general and bariatric surgeon in Turkey. He has 15 years of experience in laparoscopic and bariatric surgery. He has published many articles in national and international journals.

    Dr. Demiriz is a member of IFSO, the Turkish Obesity Surgery Association, and the National Society of Endoscopical Laparoscopic Surgery. He earned his medical degree from Istanbul University Istanbul Faculty of Medicine in 2001. He completed his general surgery training at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2007.

Surgeon's portfolio

Patient reviews

4.9
Excellent score
184 patient verified reviews
1 star
5%
2 stars
0%
3 stars
0%
4 stars
5%
5 stars
90%
Rating breakdown
Doctor
4.9/5
staff
4.8/5
Facilities
4.9/5
Language assistance
4.9/5
Support
4.9/5
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Matvei Lessikov • Rhinoplasty (nose job)
Kazakhstan
Apr 21, 2025
Verified review.
Dr Hakan in particular, he was very attentive, friendly and open, explained everything and took care of us
I am grateful to bookmed for helping me choose a clinic. Everything that was promised was fulfilled in full! We were met and organised everything very efficiently in terms of time. The interpreter Akilai was very good, she solved all our queries and questions very quickly and was available 24/7. Dr Hakan - hair transplant and Dr Ibrahim Renoseptoplasty are very competent. I would like to mention Dr Hakan in particular, he was very attentive, friendly and open, explained everything and took care of us...The doctors did a great job and now everything depends on how carefully their recommendations will be followed during the rehabilitation period.
Anonymous • Mommy makeover
United Kingdom
Aug 4, 2025
Verified review.
Dr
The Bookimed platform was very easy to use and made the whole process smooth. I was kept in contact via WhatsApp at all times, and any questions I had were answered quickly. They continued to check in and support me even after I returned home, which I really appreciated. Dr. Mustafa Aydinol was excellent – attentive, diligent, and thorough in explaining everything clearly. The hospital and staff were all lovely, making me feel comfortable and well cared for throughout my stay. Although I am happy with the outcome, I am still sore and bruised, but I will be more than happy to share photos at a later date.
What I liked most was the constant communication and support from start to finish, and the excellent care from Dr. Mustafa Aydinol and the hospital staff.
What I disliked the most was the discomfort and bruising during recovery, although I understand this is part of the healing process
About Bookimed service
Bookimed made the whole process smooth and stress-free. The platform was easy to use, and communication via WhatsApp was excellent from start to finish, even after I returned home. Dr. Mustafa Aydinol was attentive and thorough, and the hospital staff were caring. I’m happy with the outcome, though still sore and bruised, and will share photos later.
Anonymous • DHI hair transplantation
Portugal
Jul 17, 2025
Verified review.
The team of Doctors was the absolute best in the world!
The team of Doctors was the absolute best in the world! I didn’t go to USA, Asia or Brazil because these Doctors were really constructed as the best in the world and after experiencing the surgery I was blown away by how amazing the Drs and medial staff was. They calmed my fears and worried as well as explained everything well and set expectations perfectly. Outside of that Turkish people are really the nicest people on earth. I didn’t know that and was blown away by how friendly and personable they are, truly the staff made me feel at home and like a part of the family! Would go back just to have Turkish tea with the staff!! My surgery is healing up perfectly and I am so glad that I came here! You most definitely should do you procedure here!
The staff and level of expertise
Really nothing! The drivers are all 15 minutes early haha if that’s even a complaint
Raquel • Deep Plane Facelift
Portugal
Jun 13, 2025
Verified review.
I’m giving five stars for Dr
I’m giving five stars for Dr. Ianus’ work because his surgical work is truly remarkable. Dr. Ianus is kind, gentle, extremely professional, and meticulous in everything he does. The person who supported me through BookMed was Tetiana, and she was absolutely flawless. From the very beginning, I felt guided and safe. From Dr. Ianus’ team in Istanbul, Lara was the one assisting me — and she is a very warm, empathetic person who was always available to help with whatever I needed. I also want to highlight the hotel offered by the team, Modus Hotel. The staff there were very helpful and attentive, especially after I returned from surgery. Even though I traveled alone, I could count on their kindness and support throughout. That said, I want to leave a sincere piece of advice: if you’re planning to have a more extensive surgery — like I did (involving multiple areas) — be aware that the first two days can be quite challenging, both physically and emotionally. In such cases, I strongly recommend that you are not alone at the hospital. Having someone with you can make a big difference. With this, I leave my heartfelt recommendation, full of gratitude and respect. Dr. Ianus is an excellent surgeon, Tetiana and Lara are wonderful people, and although the journey had its challenges, everything was handled with great professionalism
The final result.
Being alone in the hospital after such an extensive surgery.
About Bookimed service
Tetiana, who was the coordinator from BookMed, is an amazing person — I strongly recommend her.
Joshua Buck • Septoplasty (Deviated Septum Surgery)
United States of America
Jul 4, 2025
Verified review.
I have been extremely pleased with everything
I had a septorhinoplasty to fix a defect in my right nasal passage. I have been extremely pleased with everything: from the doctor, Dr. Ibrahim Altoparlak, whose expertise I fully trust, and who is very empathetic towards his patients; for the medical staff, who took care of me; and finally for the BookMed interpreters, Akilay and Feruza for their support and compassion during the entire process. Everybody has been wonderful and I highly recommend them!
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Doctor's services

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Qualifications

He is a member of several prestigious medical associations related to his field, including the National Association of Traumas and Emergency Surgery, National Society of Endoscopical Laparoscopic Surgery, Turkish Surgery Association, Endocrine Surgery Association, International Federation of Obesity and Metabolic Disorders Surgery (IFSO), Turkish Obesity Surgery Association, and the Obesity and Metabolic Surgery Association.

Education

  • Graduated from Istanbul University Istanbul Faculty of Medicine in 2001
  • Specialized in general surgery at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2007

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