Semih Ayyan
17
years of experience
Semih Ayyan
- Specialization: Urological surgeon
- 17 years of experience
- Speaks:English
- Workplace: Turkey, Istanbul, Valued Med Hub Hospitals
- Completed fellowships in Pediatric Urology at Harvard and Urological Oncology at the University of Chicago, gaining top international expertise.
Dr. Semih Ayyan is a urological surgeon at Valued Med Hub Hospitals in Istanbul. He completed fellowships at Harvard University and the University of Chicago. Dr. Ayyan specializes in both urological oncology and pediatric urology. He holds an American Medical License (USMLE).
- Corrects congenital anomalies like hypospadias and renal outflow stenosis.
- Performs surgical treatments for prostate, bladder, and kidney tumors.
- Uses laparoscopic techniques and flexible ureterorenoscopy for stone disease.
- Treats complex adult conditions including Peyronie's disease and varicocele.
Excellent score
20 patient verified reviews
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Learn more about reviews.1-5 of 20 reviews
Tetiana • Cataract Surgery with Multifocal Lens Implant
United Kingdom
Feb 24, 2026
It was a very good experience for us and we are grateful for the treatment provided
It was a very good experience for us, and I will use this service in the future if necessary. All the answers to my questions were given. Everything is very organized. They have their own counter at the airport, where they arranged a transfer for us and brought us comfortably to the hotel. We were accompanied everywhere. The price of the service was as agreed in advance. There were no additional payments. I only spent money on my husband's eye drops at the pharmacy, but they're sold at affordable prices. The hospital is very modern, it's a large complex, there's a university nearby. The hospital has a special department for dealing with foreign clients. We didn't run, we weren't looking for anything, Mustafa was with us all the time and made arrangements for everything himself. There were a few days between the diagnosis and surgery, and we managed to book several tours of Istanbul. It helped us relieve the tension of worrying about the surgery. My husband has an agimatism, he got the best lenses in the world that exist right now. These lenses were made specifically for the parameters of his eye. It's been less than a week since the surgery, but my husband says he can see some things even better than he had with glasses before. The rehabilitation is not over yet, he has to drip eye drops on schedule for a month, take care of eyes, and don't lift heavy things and rub eyes. The doctors have done their job, now a lot depends on how clearly my husband adheres to the doctor's recommendations. It was a very good experience for us and we are grateful for the treatment provided.
Peter Tin Shouk Fong • LASIK eye surgery
Australia
Jul 10, 2025
I am very impressed with the quality and standard of the whole process
Communication was great. I was picked up from the hotel, transfered to the hospital, and accompanied by Adam (translator) through the journey. He knew exactly the intake process and what they would want. He was well organized and very friendly.
The consultant spoke English and was very calm, and professional. I had femto iLasik which was without complication. Pre-op my prescription was -7. Day 0 post op, I could still see but with blurry vision. Day 1 post op, my vision is now 20/20. But eyes feel gritty but hopefully will ease in a few days. I am very impressed with the quality and standard of the whole process. I would highly recommend Turkey for medical tourism. It's affordable and a beautiful clean city to visit as well.
Stupendous experience.
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Smooth and good communication
Vikki Kingsley Jones • IOLs implantation
New Zealand
Aug 9, 2024
I recommend bookimed
My husband and I traveled from New Zealand to both get eye lens replacement surgery. From the start we have had print and effient communication. With every question answered. We were picked up from the airport, taken to hotel, then the same day at our request taken to the hospital for our appointment. Two days later we were in having eye surgery again with pick ups and drop offs. We were met at the hospital entrance, by bookimed.com translators and hospital translators they were amazing every day, in every way. The doctors were provisional and onto it, explaining every detail, and answering all our questions.
Our procedure went very well and we are very happy with the outcome and how amazing we can see, no longer with glasses or contacts. I recommend bookimed.com to everyone. Vikki
About Bookimed service
Everything from start to finish was amazing. From the taxi service to the translators and doctors. The main thing is the results of our eye surgery.
Abdoul wahab Ka • Glaucoma treatment
Senegal
May 21, 2025
the coach's availability, his empathy and his humanism
I particularly appreciated
1- the day-to-day follow-up from the first contact
2- the responsiveness in preparing and organising the trip
3- the logistical arrangements for my travel - punctuality and regularity
4- the coach's availability, his empathy and his humanism
5. Efficiency and speed of medical treatment
6- the high standard of the technical facilities
7- the doctor's ability to listen
8- Post-operation follow-up
9- Availability and openness of staff
I would also like to point out that a personalised medical file is not provided for information purposes and for better remote monitoring.
Anonymous • Cataract surgery with IOL replacement
United States of America
Mar 7, 2025
It’s so world changing to be able to see clearly again!
Overall, the experience was very much worth. It’s so world changing to be able to see clearly again! The cost was so much better than in the US, and I was also able to get the lens I wanted that is not available in the US yet. Other than a false assumption about where my hotel was located, and the drivers having difficulty finding me, the only perimeter went pretty smoothly. I’m happy with the outcome. I would only suggest that there be at least one nurse or medical staff besides the doctor who speaks English. Many more paranoid, or less traveled Americans would have a hard time going through that honestly. I feel the service is very worth iit overall, those are just some recommendations to make the service excellent and a no-brainer for Americans who need medical procedures.
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Doctor's services
- Prostatectomy
- High intensity focused ultrasound ablation (HIFU)
- Nephrectomy
- Flexible ureterorenoscopy (URS)
- Uretheroplasty
- Transthoracic flexible URS with laparoscopic pyelolitotomy
- Vasectomy
- Hydroselectomy
- Testicular Biopsy
- Paediatric Check-Up
- Premium Check up
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Qualifications
Semih Ayan is a urological surgeon at Valued Med Hub Hospitals in Istanbul. He completed fellowships in Pediatric Urology at Harvard University and Urological Oncology at the University of Chicago. He holds an American Medical License (USMLE) and performs robotic and laparoscopic surgeries.
Specialization and Surgical Focus
Dr. Ayan treats adult urological oncology and pediatric urological conditions. He uses laparoscopic techniques and modern surgical equipment to improve patient survival rates. His work aims to increase life quality through precise intervention.
Urological Oncology
The doctor performs surgical treatments for various cancers. These procedures include:
- Prostatectomy for prostate cancer
- Nephrectomy for kidney tumors
- Bladder cancer surgery
- HIFU (High-intensity focused ultrasound ablation) – a non-invasive treatment that uses sound waves to destroy cancer cells
- Surgeries for benign testicular tumors
Pediatric Urology
Dr. Ayan treats children with congenital anomalies. He use surgical applications to provide lifelong corrections for pediatric patients. His focus areas include:
- Hypospadias repair – a surgery to correct the opening of the urethra in boys
- Urinary reflux to the kidney
- Renal outflow stenosis correction – a procedure to fix a blockage where the kidney meets the ureter
- Pediatric check-ups and diagnostics
Work Experience
- Urology Specialist – Valued Med Hub Hospitals, Florya Hospital, Istanbul (Current)
- Professor of Urology – Turkey (Since 2009)
- Associate Professor of Urology – Turkey (Since 2003)
Education and International Training
- 1997 – Sivas Cumhuriyet University Faculty of Medicine – MD and Urology Specialty
- 1999–2000 – Harvard University – Postdoctoral Fellow in Pediatric Urology, Boston, USA
- 2014–2015 – University of Chicago – Clinical Fellow in Minimal Invasive Urological Oncology, USA
Conditions Treated and Key Procedures
Dr. Ayan treats a variety of urological disorders. He treats prostatic hyperplasia, varicocele, and prostatitis. He also treats Peyronie's disease and urolithiasis. Key surgical procedures include:
- Flexible ureterorenoscopy (URS) – a procedure using a thin camera to find and treat kidney stones
- Uretheroplasty
- Vasectomy
- Hydroselectomy
- Testicular biopsy
- Laparoscopic pyelolitotomy – a minimally invasive surgery to remove large stones from the renal pelvis
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