Лучшие в мире врачи

The doctor is a highly experienced urologist with a focus on minimally invasive surgical techniques and advanced prostate cancer treatments. With over 20 years of experience, the doctor has contributed significantly to the field through numerous published research papers and participation in international conferences. The doctor is board-certified and has been recognized for excellence in patient care and innovative treatment approaches.

The doctor is a Chief Dentist with a robust background in oral diagnosis, aesthetic dentistry, prosthesis, and digital dentistry treatments. Practicing since 2006, the doctor has earned numerous certifications, including Digital Smile Design and advanced implant systems. The doctor is an active participant in the International Scientific Congress and contributes to academia as a lecturer at various universities.

The doctor holds a degree from Istanbul University, Faculty of Dentistry, and a Health Management Master's from Nişantaşı University.

Pediatric Hematology and Oncology

Dr. Isik Okuyan is an obstetrics and gynecology specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously worked at Şanlıurfa Training and Research Hospital (2023–2025). He completed his OB/GYN residency at SB University Istanbul Training and Research Hospital (2019–2023). He earned his MD from Mersin University (2011–2017).

His credentials include GESEA Level 1 in Gynecological Endoscopy (Marseille, 2024). He presented a video and a poster at the 33rd ESGE Congress (2024). He is a member of the Turkish Medical Association, the Turkish Society of Gynecology and Obstetrics, and ESGE. He took part in meetings from 2022 to 2025, including ISON and national gynecology congresses.

Dr. Mehmet Semih is a cardiology specialist at Memorial Göztepe Hospital (2025–present). He previously served as a specialist at Koşuyolu High Specialty Training and Research Hospital (2024–2025) and Sivas Numune Hospital (2023–2024). He completed his cardiology residency at Istanbul University Cerrahpaşa (2018–2023). He earned his MD at Istanbul University (2006–2012).

He is a member of the Turkish Society of Cardiology, the European Society of Cardiology, and the European Heart Rhythm Association. He has delivered oral case presentations at EHRA and TKD congresses. He also completed the TKD Bifurcation Lesions Management Course and the TKD Echocardiography Symposium.

Dr. Basak Sargin is an obstetrics and gynecology (OB/GYN) specialist at Memorial Göztepe Hospital. She has worked at Medipol Mega University Hospital (IVF and Reproductive Health Center), Medipol Acıbadem Region, Memorial Ataşehir Hospital, and Kars Harakani State Hospital.

Accreditations: FMAS and DMAS, World Laparoscopy Hospital (2023). ART training, American Hospital (07/2024–01/2025). Fellowships: Minimally Invasive and Advanced Gynecologic Surgery, Pius University, Oldenburg (07/2025); World Laparoscopy Hospital (05/2023). Additional training in robotic surgery, hysteroscopy, vNOTES, embryo transfer simulation, and laser/magnetic stimulation.

Education: MD, Hacettepe University. OB/GYN residency, Ankara (2016–2021). PhD candidate in Biomedical Engineering, Koç University (since 2023). Memberships: SRGS, International Society of Gynecology and Obstetrics, ESGE, WALS, and Istanbul Medical Chamber.

2015 - 2015

Medipol Üniversitesi Parkinson Hastalığı ve Hareket Bozuklukları Merkezi

2009 - 2009

Medicalpark Bahçelievler Hastanesi

1999 - 2004

Medicalpark Bahçelievler Hastanesi

1997 - 2009

Amerikan Hastanesi

1997 - 1997

VKV Amerikan Hastanesi

1995 - 1995

Division of Neurosurgery, Toronto Western Hospital Research Fellow

1995 - 1995

Department of Neurosurgery, The Johns Hopkins Hospital

1995 - 1997

Toronto Western Hospital,

1994 - 1994

Division of Neurosurgery, Toronto Western Hospital

1992 - 1992

Department of Neurosurgery, University of Virginia

1992 - 1992

Department of Neurosurgery, University of Washington

1992 - 1992

İsrail Kudüs, The European Association of Neurosurgical Societies European

1991 - 1991

İspanya Zaragoz- The European Association of Neurosurgical Societies European

1990 - 1990

Glasgow, Scotland, İngiltere

1990 - 1990

Glasgow ve Edinburg, The British Council

1990 - 1990

Glasgow ve Edinburg, The British Council1994

Marmara University Institute of Health Sciences, Neurophysiology

1993

Marmara University Faculty of Medicine, Neurosurgery and Neurosurgery

1989

Marmara University Faculty of Medicine, Neurosurgery and Neurosurgery

1983

Hacettepe University, Faculty of Medicine

1983

Hacettepe University, Faculty of Medicine

2010 - 2012

M. Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital

2002 - 2010

Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital

1993 - 1998

İ.Ü. Istanbul Faculty of Medicine

Dr. Tolga Sinan Guvenc is a cardiologist at Memorial Göztepe Hospital (2025–). He previously worked at VM Medical Park Pendik (2019–2025) and at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital (2014–2018).

He has authored over 200 scientific articles and book chapters. He serves on the Editorial Board of Scientific Reports.

He is a Fellow of the ESC Heart Failure Association. He is also a member of the Turkish Society of Cardiology, the European Society of Cardiology, and Sigma Xi.

Advanced training includes a clinical fellowship in the Advanced Heart Failure Unit at the University of Alberta. He also served as a visiting scientist at the Echocardiography Station at the University of Alabama at Birmingham. Education: MD, Istanbul University Cerrahpaşa (English). Cardiology residency, Dr. Siyami Ersek.

Dr. Muslim Sahin is a cardiology specialist at Memorial Göztepe Hospital (2025–present). He previously worked at VM Medical Park Pendik Hospital (2018–2025), Kartal Koşuyolu High Specialty Training and Research Hospital (2010–2018), Kartal Yavuz Selim State Hospital (2007–2010), and Kayseri Military Hospital (2006–2007).

He completed his cardiology residency at Maltepe University Faculty of Medicine (2001–2005). He earned his MD from Istanbul University Cerrahpaşa Faculty of Medicine (1995–2001).

He is a member of the Turkish Medical Chamber, the Turkish Society of Cardiology, the EuroCTO Club, and the European Society of Cardiology. He has completed training in TAVI, MitraClip, and renal denervation.

Dr. Aygul Aliyeva Onen is a specialist in obstetrics and gynecology at Memorial Göztepe Hospital (2025–present). She previously worked at Medical Park Göztepe (2023–2025) and at Celal Bayar University Hafsa Sultan Hospital (2018–2023). She completed her obstetrics and gynecology residency at Celal Bayar University Faculty of Medicine (2018–2023). She graduated from Azerbaijan Medical University (2010–2016) and completed an observership at Ege University (2017).

Professional memberships include the Istanbul Medical Chamber, the Turkish Society of Gynecology and Obstetrics, and the Pelvic Floor and Cosmetic Gynecology Association. Additional training includes Current Approaches in Cosmetic Gynecology (TJOD Izmir); CCI HADYEK Laparoscopic Gynecologic Surgery; Sexual Health Federation—Vaginismus and Dyspareunia; the 1st–3rd International Pelvic Floor and Cosmetic Gynecology Congresses; and the TJOD Obstetric Simulation Course.