Orhan Koca
- 5 Excellent • 1 review
- 18 years of experience
- Turkey, Istanbul, Medistate Hospital Istanbul
Ankara Training and Research Hospital, Urology Residency, 1992-1997, Ankara/Turkey
Uludağ University Faculty of Medicine, Doctor of Medicine Education, 1982-1988, Bursa/Turkey
Taksim Training and Research Hospital, 2009-2016, Istanbul/Turkey
Bağcılar Training and Research Hospital, 2007-2009, Istanbul/Turkey
Ankara Training and Research Hospital, 2000-2007, Ankara/Turkey
Bergama State Hospital, 1997-2000, Izmir/Turkey
Ankara Training and Research Hospital, 1992-1997, Ankara/Turkey
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.
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Dr. Duran Cekic is a specialist in plastic and reconstructive surgery, with a specific focus on improving aesthetics and function. He is recognized for his research contributions, including a study on the effect of chitosan tissue scaffold on mesenchymal stem cells, which earned him third place in a national competition.
Education and Expertise
(1994 – 2000) - GATA Faculty of Medicine Ankara
(2003 – 2007) - GATA Medical Faculty Pediatrics and Diseases
(2008 -2011) - Ankara University Pediatric Endocrinology
(03.03.2014) - Associate Professorship, Pediatric Endocrinology
(17.07.2019) - Professorship, Istinye University Faculty of Medicine
Experience
(2001 – 2003) - Special Forces Command/Ankara
(2007 – 2008) - Etimesgut Military Hospital/Ankara
(2011 – 2013) - GATA Medical Faculty Hospital/Ankara
(2013-2015) - GATA Haydarpasa Training Hospital/Istanbul
(05.2015-09.10.2017) - May 2015-09.10.2017 - Süleymaniye Gynecology and Pediatrics Training and Research Hospital/Istanbul
(07.2015 – 01.2016) - Suleymaniye Gynecology and Pediatrics Training and Research Hospital Pediatrics Administrative Responsibility/Istanbul
01.2016 - 09.11.2017 - Suleymaniye Gynecology and Pediatrics Training and Research Hospital Pediatric Clinic Education Responsibility / Istanbul
(03.03.2016 - 30.10.2017) - Süleymaniye Gynecology and Pediatrics Training and Research Hospital Management
(2017-2020) - Istinye University Faculty of Medicine Faculty Member
(2020-Present) - Istanbul Aydın University Faculty of Medicine Faculty Member
(20.10.2020-Present) - Head of Department of Child Health and Diseases, Faculty of Medicine, Istanbul Aydın University
Courses and Certificates
2001 - Flight Doctor Course
2010 - Project Management Training Course
2013 - Basic Epidemiology course
2018 - Trainer Training Course
Professional Memberships
Pediatric Endocrinology and Diabetes Association
European Society of Pediatric Endocrinology (ESPE)
Istanbul Medical Chamber
Awards
İhsan Turan, Ian Hutchins, Bülent Hacıhamdioğlu, Leman Damla Kotan, Fatih Gürbüz, Mehmet Taştan, Ayça Ulubay, Eda Mengen, Bilgin Yüksel, Susan Wray, Ali Kemal Topaloğlu. CCDC141 Mutation in idiopathic hypogonadotropic hypogonadism. XVI. First Prize in Oral Presentation at the National Pediatric Endocrine and Diabetes Congress.
Bülent Hacıhamdioğlu, Gönül Öçal, Merih Berberoğlu, ZeynepŞıklar, Ercan Tutar, Suat Fitöz, Gökhan Nergizoğlu, Şenay Savaş Erdeve, Emine Çamtosun. Control of premature microvascular aging and cardiovascular performance in obese adolescents. XVI. was held in Samsun on 6-10 November 2012. Second Prize in Oral Presentation at the National Pediatric Endocrine and Diabetes Congress.
Z. Siklar, G. Ocal, M. Berberoglu, B. Hacıhamdioğlu, Ş. Savas Erdeve, Y. Egin, N. Akar. Control of hypercoagulability caused by obesity in children with endothelial microparticle level and thrombin generation test, and the relationship between risk and metabolic parameters. First Prize in Oral Presentation at the 55th Turkish National Pediatrics Congress held in Antalya on 12-16 October 2011
Z. Şıklar, V. Topçu, P. Kocaay, M. Berberoğlu, B. Hacıhamdioğlu, S.S. Erdeve, H.R. Ilgin, A. Tükün, G. Öcal. Clinical Characteristics of Our Cases with Mutation in the Androgen Receptor Gene. XVI. was held in Samsun on 6-10 November 2012. First Prize in Oral Presentation at the National Pediatric Endocrine and Diabetes Congress.
Dr. Ismail Oral Hastaoglu graduated from Cumhuriyet University Faculty of Medicine in 1998. He completed his specialization at Siyami Ersek Thoracic and Cardiovascular Surgery Center in 2005. He is a member of several professional organizations, including EACTS, ESVS, UVCD, the Phlebology Association, and TKDCD.
Dr. Hastaoglu specializes in coronary bypass surgery, heart valve surgery, congenital heart diseases, heart tumors, and aneurysm treatments. He also has experience in carotid artery operations, aortic aneurysm repair, peripheral artery disease management, and AV fistula procedures. He has made important contributions to cardiovascular surgery.
Dr. Hilmi Cem Kaya is an experienced ENT specialist. He earned his medical degree from Ege University Faculty of Medicine. He completed his ENT specialization at Uludağ University. Both universities are well-known for their strong medical programs.
Dr. Kaya has worked at top hospitals in Turkey. He served at Sultan Abdulhamid Han Training and Research Hospital in 2023. He also worked at Martyr Prof. Dr. İlhan Varank Sancaktepe Training and Research Hospital from 2021 to 2022. During this time, he gained skills in advanced surgical techniques and patient care.
He is known for his expertise in modern, minimally invasive ENT treatments. Dr. Kaya achieves high success rates in his treatments. He stays up to date with the latest research and training to provide the best care for his patients.
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Dr. Bugra Cetin, MD, PhD, is a board-certified urologist. He specializes in penile prosthesis surgery, genital reconstruction, and male sexual health. He has performed hundreds of penile implant and reconstructive procedures. His patients report high satisfaction and safety rates.
Dr. Cetin uses advanced surgical techniques to treat erectile dysfunction, Peyronie’s disease, and premature ejaculation. He is skilled in inflatable and malleable implants, plaque excision, grafting, and penile denervation. He also performs urooncologic, endourologic, and reconstructive surgeries. He has achieved excellent results in complex cases.
Dr. Cetin is accredited by IICPI and holds a PhD in Molecular Medicine. He is an active member of ISSM, ESSM, EAU, and the Turkish Association of Urology. His memberships show his dedication to excellence and innovation in urology.
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• Istanbul University Istanbul Faculty of Medicine (1991 - 1997)
• Göztepe Training and Research Hospital, Department of Pediatrics, 1997 - 2002
• Marmara University Faculty of Medicine, Department of Pediatric Chest Diseases, 2004 - 2007
• Göztepe Training and Research Hospital Pediatrics Clinic, Pediatrics Specialist, 2002 - 2004
• Sureyyapasa Chest Diseases Training and Research Hospital, Pediatric Chest Diseases Specialist, 2007 - 2010
• Bezmialem Vakıf University Faculty of Medicine, Department of Pediatrics, Department of Pediatric Chest Diseases, Pediatric Chest Diseases Specialist, Lecturer, 2010 - 2023
• Turkish Pediatrics Institution, member of the supervisory board
• Pediatric Chest Diseases Association, board member
• Türk Toraks Derneği
• Istanbul Tuberculosis Association
• European Respiratory Society (ERS)
Istanbul University Institute of Cardiology, Cardiology Residency, 2010, Istanbul/Turkey
Uludağ University Faculty of Medicine, Doctor of Medicine, 2005, Bursa/Turkey
Istanbul University-Cerrahpaşa Cardiology Institute, 2012-2021, Istanbul/Turkey
Adıyaman 82. Yıl State Hospital, 2010-2012, Adıyaman/Turkey
He graduated from Uludağ University Faculty of Medicine in 2005. In the year he graduated, he started his specialization in Istanbul University Cardiology Institute Cardiology Department and successfully completed his specialty training in 2010. After his specialty training, he completed his compulsory service in Adıyaman State Hospital for 2 years. After the compulsory service was over, he started working at the university hospital where he received his specialization. In 2017, he received the title of Associate Professor. During his specialization, he performed many operations in the field of cardiovascular diseases and peripheral arterial diseases. In 2018, he completed the Academia - peripheral arterial disease intervention training in Italy. He received the title of Professor in 2022.
He has carried out joint studies with many experts who are considered experts in their fields in Turkey, especially on heart angiography and leg angiography.
He regularly follows the congresses, seminars and courses related to the Cardiology branch organized at home and abroad every year. He has more than 100 domestic and international publications in his field.
Turkish Society of Cardiology
European Association for Percutaneous Intervention
European Society of Cardiology
SCAI Association
Turkish Society of Cardiology
European Association of Percutaneous Cardiovascular Interventions
European Society of Cardiology
Istanbul Bilim University Faculty of Medicine, Cardiology Residency, 2011, Istanbul/Turkey
Istanbul University Cerrahpaşa Faculty of Medicine, Doctor of Medicine, 2006, Istanbul/Turkey
Assistant Doctor, Bilim University Faculty of Medicine, Department of Cardiology, 2006-2011
Specialist Doctor, Şanlıurfa Mehmet Akif Inan Training and Research Hospital, 2011-2013
Dr. Faculty Member, Yeni Yüzyıl University Faculty of Medicine, 2013-2019
Dr. Faculty Member, Biruni University Faculty of Medicine, 2019-
After completing his primary and high school education in Karabük, he was entitled to enter Istanbul University Cerrahpaşa Faculty of Medicine in 2000.
After 6 years of medical education, he entered the Cardiology Department of Bilim University Faculty of Medicine in the TUS exam.
4He received his 5-year residency training at Florence Nightingale Hospital, which is considered as a reference hospital in the field of Cardiology, and in 2011 he received the title of Specialist Dr.
He specialized in the field of interventional cardiology and reached thousands of case experience, especially in radial (through the arm) angiography, challenging coronary and peripheral procedures.
2019 He has been serving his patients at Biruni University Faculty of Medicine since the year.
Turkish Medical Association
Turkish Society of Cardiology
As a urology specialist providing medical services, Prof. Dr. Hasan Biri graduated from Ankara University Faculty of Medicine in 1987. He started his residency in urology at Gazi University Hospital in 1987 and completed his specialization in 1992, becoming a urology specialist. Dr. Biri completed his compulsory service between 1993-1995. In 1995, he was appointed as an assistant professor at Gazi University Faculty of Medicine. Between 1997-1998, he participated in research in many areas of uro-oncology such as radical prostatectomy and radical cystectomy at the University of Southern California Kneed Norris Uro-oncology Center, and was involved in many clinical practices. He successfully passed the associate professorship exam in 1998 and continued his education and training activities as an associate professor at Gazi University. Between 2000-2003, he served as the head of urology and chief physician at Gazi Ankara Hospital. In 2004, he became a professor at Gazi University Faculty of Medicine. Throughout his academic career, he has published over 80 national and international publications and presented papers. As the founding president of Koru Healthcare Group, Prof. Dr. Hasan Biri currently provides medical services to his patients at Özel Koru Ankara Hospital. Prof. Dr. Hasan Biri is particularly specialized in robotic surgery, and his medical interests include:
• Uro-oncology
· Prostate Cancer
· Bladder Cancer
· Kidney Cancer
· Testicular Cancer
• Andrology
• Robotic Surgery (Prostate, Bladder, Kidney, Renal Artery Stenosis)
• Endourology
• Benign Prostatic Hyperplasia
• Kidney Stone Disease
• Infertility.