Page 6 - Best Doctors in the World

The doctor is a highly regarded urology specialist with expertise in treating kidney, prostate, and bladder cancers. Internationally certified in robotic surgery, the doctor has performed over 600 robotic urology-oncology surgeries. Scholarly contributions include over 70 articles published in international journals, cited more than 1,500 times.

Education includes a Medical Doctorate from Istanbul University and advanced training in endourology and laparoscopic-robotic surgery at institutions such as Duke University and University Hospital Leuven.

The doctor completed a residency in Cardiovascular Surgery at the School of Medicine, Çukurova University in 1998, specializing in a variety of surgeries including peripheral vascular, abdominal aortic aneurysm, and cardiac surgeries. In 2001, the doctor contributed to the establishment of the Cardiovascular Surgery Clinic at SSK Süreyyapaşa Hospital and founded similar clinics at Giresun and Sinop State Hospitals, performing inaugural surgical procedures.

From 2003 to 2017, the doctor served as a competent surgeon at İsviçre Hospital and Koşuyolu Heart Hospital, conducting approximately 4000 open heart surgeries. Additionally, the doctor was part of a heart transplant team, performing as the primary surgeon in 8 heart transplants.

Areas of expertise include coronary by-pass, minimally invasive heart surgery, beating heart bypass, redo valve surgery, aortic surgery, and heart transplantation.

The doctor is a highly experienced professional with over 25 years of expertise in Oral Surgery, Cosmetic Dentistry, General Dentistry, Endodontics, and Implantology. Specializing in All on 6/4 dental implants, sinus lift, bone graft, and zygomatic implants, the doctor operates in a state-of-the-art dental clinic in central Istanbul.

As a member of the American Dental Association, the doctor focuses primarily on dental implants and is supported by assistants fluent in Russian, French, and Spanish, in addition to speaking English and Turkish.

2011 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Hand Surgery and Microsurgery Specialist

1995 - 2013, Istanbul/Istanbul/Türkiye

MANUS HAND SURGERY AND MICROSURGERY

Hand Surgery and Microsurgery Specialist

1992 - 1994, Istanbul/Istanbul/Türkiye

VKV AMERICAN HOSPITAL

Hand Surgery and Microsurgery Fellow

Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

MEDICAL INTERESTS

• Healthy child monitoring
• Growth and nutritional disorders
• Approach to patients with abdominal pain
• Gastroesophageal reflux
• Chronic diarrhea and chronic constipation
• Celiac disease
• Inflammatory bowel disease
• H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
• Liver, gallbladder, and pancreas diseases
• Acute and chronic gastrointestinal infections
• Diagnostic upper and lower gastrointestinal endoscopy
• Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)
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Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.

Harun Kaya is a hair transplant specialist. He completed the Anesthesia Technician Program at Istanbul Okan University (2018–2020).

Experience: Hair Transplant Assistant at Este Future Clinic (2020–2021). Hair Transplant Technician at Rizza Hair Clinic in Kosovo (2021–2022). Hair Transplant Specialist at Lokman Hekim Medical Center in Ankara (2022–2023). Hair Transplant Specialist at Emsey Hospital (2023–2024). Hair Transplant Specialist at Lokman Hekim Istanbul Hospital (2024–2026). He speaks Turkish.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Cardiology Specialist

2013 - 2018, Istanbul/Istanbul/Türkiye

SISLI AND ISTANBUL FLORENCE NIGHTINGALE HOSPITAL

Cardiology Specialist

2004 - 2013, Samsun/Samsun/Türkiye

ONDOKUZ MAYIS UNIVERSITY FACULTY OF MEDICINE

Cardiology Specialist

2004 - 2004, Samsun/Samsun/Türkiye

SAMSUN STATE HOSPITAL

Cardiology Specialist

1998 - 2004, Samsun/Samsun/Türkiye

ONDOKUZ MAYIS UNIVERSITY FACULTY OF MEDICINE

Cardiology Specialist

Op. Dr. Atilla H.

Plastic Surgeon

Education

Specialty Training

2010 - 2016
Ankara Numune Training and Research Hospital, Department of Plastic, Reconstructive, and Aesthetic Surgery

Undergraduate Education

1989 - 1995
Uludağ University Faculty of Medicine

Experience

2020 -
ClinicExpert - Plastic Surgery Specialist

Biography

Born in Cyprus, Plastic, Reconstructive, and Aesthetic Surgeon, Op. Dr. Atilla H. worked at Medical Park Bahçelievler Hospital for 3 years. He graduated from Uludağ University Faculty of Medicine in 1995 and completed his specialization at Ankara Numune Training and Research Hospital in 2001. He worked at Ankara Bayındır Hospital for 2 years and at İskenderun State Hospital for 14 years.

Certificates

2021 - Thread Lift - Face Lift Certificates (Belgium)

Professional Summary

Highly skilled and dedicated Periodontologist and Implantologist with over 14 years of experience in diagnosing, treating, and managing periodontal diseases and performing dental implant surgeries. Known for expertise in gingival aesthetics, smile design, and advanced bone augmentation procedures. Committed to delivering exceptional patient care and maintaining high standards of dental health.

Education

Specialty in Periodontology
Erciyes University Faculty of Dentistry, Department of Periodontology
2012 - 2016

Doctor of Dental Surgery (DDS)
Ondokuz Mayıs University Faculty of Dentistry
2009

Professional Experience

Private Practice, Ankara
Periodontologist & Implantologist
2018 - Present

• Provide specialized dental care in gingival diseases and implant surgery.
• Perform 500-1000 dental implant applications annually.
• Focus on gingival aesthetics, smile design, bone augmentation, sinus surgeries, and surgical treatment of gingival recession.

Oral and Dental Health Hospital, Ministry of Health
Specialist Dentist
2016 - 2018

• Specialized in gingival diseases and implant surgery.
• Worked in a high-volume setting, contributing to the improvement of patients’ oral health through advanced periodontal and implant procedures.

Erciyes University, Department of Periodontology
Research Assistant
2012 - 2016

• Assisted in clinical research and academic projects related to periodontology.
• Supported faculty with teaching and mentoring dental students.

Private Sector Dentist, Bolu and Ankara
General Dentist
2010 - 2012

• Provided comprehensive dental care and treatments to a diverse patient population.
• Gained valuable experience in patient management and clinical practice.

Professional Affiliations

• Turkish Periodontology Association
• Turkish Dental Association

Skills

• Gingival Aesthetics and Smile Design
• Dental Implant Surgery
• Bone Augmentation Procedures
• Sinus Surgeries
• Surgical Treatment of Gingival Recession
• Patient Care and Communication

Continuing Education

Regularly attend national and international conferences, workshops, and seminars to stay updated with the latest advancements in periodontology and implantology.

Languages Turkish (Native) & English

References : Available upon request.

2021 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2020 - 2021, Istanbul/Türkiye

İSTİNYE UNIVERSITY LIV HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2019 - 2020, Istanbul/Türkiye

GAYRETTEPE FLORENCE NIGHTINGALE HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2018 - 2019, Tokat/Türkiye

ISTANBUL TRAINING AND RESEARCH HOSPITAL

Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist

2013 - 2018, Istanbul/Türkiye

ISTANBUL EDUCATION AND RESEARCH HOSPITAL

Ear Nose Throat and Head and Neck Surgery Diseases Specialist Specialist Doctor

2011 - 2013, Tokat/Türkiye

TOKAT STATE HOSPITAL

Ear Nose Throat and Head and Neck Surgery Diseases Specialist Specialist Doctor

2005 - 2011, Istanbul/Türkiye

ISTANBUL EDUCATION AND RESEARCH HOSPITAL

Assistant Physician

Prof. Dr. Ahmet Hilmi Kaya is a professor of neurosurgery at Anadolu Medical Center in Gebze, Turkey. He earned his MD from Istanbul University Cerrahpaşa (English program). He completed his neurosurgery residency there from 1996 to 2003. He became a professor in 2015. He also completed observerships at Maastricht University in 2007 and 2009.

His clinical focus includes functional and stereotactic neurosurgery, including deep brain stimulation (DBS) for Parkinson’s disease and essential tremor. He also treats spinal tumors and spinal stenosis and performs spinal instrumentation. He manages skull base and brain tumors. He performs vascular surgery of the central nervous system.

Achievements include leading a Parkinson’s research project at Ondokuz Mayıs University (BAP, Project No. T.597, 2008). He supervised a neurosurgery thesis in 2008. His awards include third place at the 2nd National Congress of the Society of Neurosurgery in 2006, the Turkish Neurosurgical Society Overseas Scholarship in 2008, and the Aysima Altınok Thesis Award in 2009. Several of his papers ranked at the 22nd and 23rd Turkish Neurosurgical Society Scientific Congresses in 2008 and 2009. He is a member of the Turkish Neurosurgical Society and the Turkish Medical Association.

Gastroenterologist

Prosthetic dental treatment specialist Maryam FAZELI completed her primary, middle, and high school education in Iran. In 2011, she began her dental education as a student at the Faculty of Dentistry at Ege University and successfully graduated in 2016.

In 2018, she completed her specialization education at the Department of Prosthetic Dental Treatment at Izmir Katip Çelebi University with her thesis titled "Radiographic Evaluation of Bone Loss in Implant-Supported Prostheses with Different Crown/Implant Ratios Placed in the Maxillary Posterior Region."

During and after her education, she attended numerous courses, seminars, and congresses. She started working as a prosthesis specialist at Izmirdent Oral and Dental Health Clinic in Izmir, where she focused on "Aesthetic Smile Design" and "Hollywood Smile" applications.

In 2024, she began working as a Prosthesis Specialist at Nifa Dent Oral and Dental Health Clinic. She is fluent in English, Persian, and Azerbaijani.

2019 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurosurgery Specialist

2015 - 2019, Istanbul/Istanbul/Türkiye

ACIBADEM UNIVERSITY ATAKENT HOSPITAL

Neurosurgery Specialist, Lecturer

2010 - 2015, Bolu/Bolu/Türkiye

ABANT İZZET BAYSAL UNIVERSITY FACULTY OF MEDICINE

Head of Neurosurgery Department

1992 - 2010, Istanbul/Istanbul/Türkiye

BEZMIALEM FOUNDATION GUREBA TRAINING AND RESEARCH HOSPITAL

Neurosurgery Clinic Chief

1987 - 1992, Istanbul/Istanbul/Türkiye

HAYDARPAŞA NUMBER TRAINING AND RESEARCH HOSPITAL

Assistant Chief of Neurosurgery

1987 - 1989, /Switzerland

ZURICH UNIVERSITY HOSPITAL (KANTONSSPITAL)

Neurosurgery Specialist

1984 - 1987, Istanbul/Istanbul/Türkiye

HAYDARPAŞA NUMBER TRAINING AND RESEARCH HOSPITAL

Chief Assistant

1983 - 1984, Ankara/Ankara/Türkiye

GÜLHANE MILITARY MEDICAL FACULTY

Neurosurgery Specialist

Dr. Cagatay Saim Tezel is a Professor of Thoracic Surgery at Memorial Şişli Hospital since 2025. From 2021 to 2025, he was a Professor at Haliç University Faculty of Medicine and at Liv Hospital Ulus. Earlier, he served at SB Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital as a specialist, associate professor, and educational supervisor.

He earned his MD from Ankara University. He completed his Thoracic Surgery specialization at SB Heybeliada Chest Diseases and Thoracic Surgery Hospital from 2000 to 2005. His international training includes a 6‑month observership at the Royal Brompton Hospital and work in the Leicester University clinics. He also attended the STS 41st Annual Meeting and the Ankara University Esophageal Surgery Program. He was part of the Süreyyapaşa Thoracic Surgery Transplant Team. He was an internship lecturer at Yeditepe University from 2013 to 2020. He served on the editorial board of the Heybeliada Medical Bulletin in 2001.

He is a member of the Turkish Thoracic Surgery Society, the European Society of Thoracic Surgeons, the Turkish Thoracic Society, and the European Respiratory Society. He advised a thesis that won third place in the Istanbul Medical Chamber Thesis Competition.

Dr. Mert Tanal is a General Surgery Specialist at Memorial Şişli Hospital (2024–present). He previously worked at Acıbadem Maslak Hospital (2023–2024) and Tekirdağ Dr. İsmail Fehmi Cumalıoğlu City Hospital (2021–2023). He completed his general surgery residency at the University of Health Sciences Şişli Hamidiye Etfal (2016–2021). He earned his M.D. from Istanbul University Cerrahpaşa (2009–2015).

He holds the European Board of Surgery Qualification in General Surgery (2022). He took the Turkish Surgical Society Proficiency Exam (2021). He has published 28 articles in international indexed journals and 10 in national peer-reviewed journals. He has 46 conference presentations and posters.

He is a member of the Turkish Medical Association, Turkish Surgical Society, Turkish Society of Colon and Rectal Surgery, National Trauma and Emergency Surgery Association, ESSO, EAES, and the American College of Surgeons. His training includes IRCAD Robotic Surgery in Strasbourg (2022) and SENATURK Breast Surgery (2020–2021).

EXPERIENCE

2024 - Currently, Istanbul/Turkey

MEMORIAL BAHÇELİEVLER HOSPITAL

Üroloji Specialist

2020 - 2024, Istanbul/Turkey

BAŞAKŞEHİR ÇAM VE SAKURA CITY HOSPİTAL

Attending Robotic and Reconstructive Surgeon

2016 - 2020, Istanbul/Turkey

BAKIRKÖY SADİ KONUK RESEARH AND EDUCATİON HOSPİTAL, DEPARTMENT OF UROLOGY

General Practitioner

2015 - 2016, Sheffield/Turkey

SHEFFİELD UNİVERSİTY HALLAMSHİRE HOSPİTAL DEPARTMENT OF UROLOGY

Rekonstructive Urology

2012 - 2015, Istanbul/Turkey

HASEKİ RESEARCH AND EDUCATİON HOSPİTAL, DEPARTMENT OF UROLOGY

Urology Specialist

2011 - 2012, Istanbul/Turkey

LÜTFİYE NURİ BURAT STATE HOSPİTAL

Urology Specialist

EDUCATION

2021 - Currently

PROFESSOR

2015 - 2021

ASSOCIATE PROFESSOR

1999 - 2005, Istanbul / Turkey

M.D Istanbul University Medical School

Medical Doctor Education



SPECIALTIES

Diseases

• Kidney Cancer
• Prostate Cancer
• Bladder cancer
• Testicular Cancer
• Uretral stricture
• Erectile dysfunction
• Penile prosthesis surgery
• Peyronie disease and penile curvature surgery

Treatment Methods

• Uretroplasty
• Penile enlargement surgery
• BPH-HOLEP
• Stone disease treatment and surgery
• Hypospadias surgery
• Incontinence surgery
   

2020 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Thoracic Surgery Specialist

2018 - 2020, Tekirdağ/Tekirdağ/Türkiye

CORLU STATE HOSPITAL

Thoracic Surgery Specialist

2012 - 2018, Istanbul/Istanbul/Türkiye

MARMARA UNIVERSITY FACULTY OF MEDICINE

Research Assistant

2011 - 2012, Bilecik/Bilecik/Türkiye

BILECIK GOLPAZARI STATE HOSPITAL

Chief Physician

2010 - 2012, Bilecik/Bilecik/Türkiye

BILECIK GOLPAZARI STATE HOSPITAL

General Practitioner