Best endocrinologists: TOP 403 doctors

After the internal medicine examination, he also practiced in the United Kingdom, mainly treating patients with diabetes and endocrinological problems.

Diploma:

• 2002. Semmelweis University of Medicine General Medicine

Professional exam:

• 2007. Internal medicine
• 2014. Diabetology

Workplace

• 2015-2017 Mens Mentis Health Center
• 2017- EndoCare Endocrinology Center

Dr. Tülay Omma, Associate Professor

Specialization: Endocrinology and Metabolic Diseases

Academic Background

• Medical Education: İnönü University, Faculty of Medicine (English Program), 1994–2001.
• Internal Medicine Residency: Haseki Training and Research Hospital, 2004–2010.
• Subspecialty in Endocrinology and Metabolism: Ankara Training and Research Hospital, 2013–2017.

Professional Experience

• Clinical Expertise: 
  • General Practitioner with administrative responsibilities, 2002–2004.
  • Specialist in Internal Medicine during mandatory service, 2010–2013.
  • Endocrinologist and Metabolic Disease Specialist at Ankara Training and Research Hospital (2017–2023).
  • Earned the title of Associate Professor in 2023, reflecting her academic and clinical excellence.
    Lokman Hekim Health Group 2023 (present) 

Scientific Contributions & Publications

• Research Output: 
  • Published over 20 articles in peer-reviewed international journals, with a strong focus on diabetes, thyroid disorders, and polycystic ovary syndrome.
  • Delivered numerous oral presentations and posters at national and international conferences.
• Citation Metrics: 
  • Total Citations: 166
  • H-index: 6
  • i10-index: 4

Awards & Recognitions

• Multiple prestigious accolades, including: 
  • Best Oral Presentation Award (2023): For groundbreaking research on COVID-19 vaccines and Graves’ Disease.
  • Best Poster Award (2021): For clinical insights into hypoparathyroidism in Turkey (HiPOPARATURK-NET Study).

Professional Memberships & Certifications

• Active member of leading organizations: 
  • European Society of Endocrinology (ESE) and its Young Endocrinologists & Scientists Committee (EYES).
  • Turkish Society of Endocrinology and Metabolism.
• Completed numerous advanced training programs, including certifications in clinical trials, biostatistics, and thyroid ultrasonography.

Clinical & Research Focus

Dr. Omma’s expertise spans:

• Diabetes management and its complications.
• Advanced thyroid disease diagnosis and treatment.
• Polycystic Ovary Syndrome (PCOS) and its metabolic implications.
• Investigating the relationship between diet and endocrine/metabolic disorders.

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Education

Ondokuz Mayıs University Faculty of Medicine (1991)

KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)

Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)

Dr. Séverine Iborra is the Chief Physician of the Department of Gynecology and Obstetrics at Städtisches Klinikum Solingen. Her responsibilities include obstetrics, the delivery room, the neonatal unit, and gynecology. The department also includes the Senology/Breast Clinic at the Bergisches Breast Center Solingen, led by Dr. Manuela Seifert.

Dr. Séverine Iborra is originally from France. She began her medical studies at the University of Lyon and later transferred to Albert-Ludwigs University in Freiburg, where she received her medical license in 2007. She earned her doctorate in 2008 for experimental research in molecular oncology. From August 2008 to November 2013, Dr. Iborra worked as a resident at the University Women’s Clinic in Freiburg. After passing her specialist exams in gynecology and obstetrics, she continued her career as a specialist at the same clinic. In November 2015, she moved to RWTH University Hospital Aachen as a senior physician.

At the Clinic for Gynecology and Obstetrics, under the leadership of Prof. Dr. E. Stickeler, Dr. Iborra led the obstetrics department from 2017 to 2019. Since December 2017, she was responsible for organizing education in the department, and in October 2019, she became the Managing Senior Physician and Personnel Senior Physician of the clinic, a position she held until she moved to Solingen.

In addition to her scientific work, with numerous publications and presentations at major gynecological conferences, Dr. Iborra deepened her medical specialties. She obtained certifications in oncological diagnostics and therapy from the Gynecological Oncology Working Group, as well as additional qualifications in Cervical Pathology and Colposcopy (AGCPC), Urogynecology and Pelvic Reconstructive Surgery (AGUP), and the Professional Association of Gynecologists (BVF).

In 2019, Dr. Iborra successfully completed further specialization in “Gynecological Oncology” and “Special Obstetrics and Perinatal Medicine.” She is an active member of leading German medical societies in her field, including the German Society for Gynecology and Obstetrics, the Cervical Pathology and Colposcopy Working Group, and the German Society for Prenatal and Birth Medicine.

Treatments Offered in Our Gynecology Department

• Hysteroscopy and Dilation and Curettage (D&C) for diagnostic and therapeutic purposes.
• Removal of abnormal or symptomatic ovarian findings, such as cysts, while preserving the remaining ovary.
• Oophorectomy (removal of ovaries) in cases of abnormalities or preventively when indicated.
• Myomectomy (removal of uterine fibroids) while preserving the uterus.
• Conservative treatment of fibroids: either medication or embolization performed by radiology specialists.
• Hysterectomy with or without removal of the cervix.
• Diagnosis and clarification of unclear findings in the cervix, vagina, and vulva.
• Dysplasia treatment.
• Endometriosis management.
• Cancer treatment for vulvar, vaginal, cervical, uterine, and ovarian cancers.
• Treatment for incontinence and/or pelvic organ prolapse.

Whenever possible, we offer all procedures as minimally invasive treatments using laparoscopy or the Da Vinci robotic system.

After completing their degree in Medicine and Surgery with honors and academic acclaim from the University of Naples in 1981, Dr Spiezia pursued a postgraduate internship at Cardarelli Hospital, Naples. He obtained a specialization diploma in Emergency Surgery, again with cum laude, from the University of Naples in 1986.

Throughout their career, Dr. Spiezia has continuously enhanced his expertise through further training and professional development. He completed a six-month specialization course in minimally invasive surgery at the II University of Naples in the academic year 1993-1994. In 1996, he successfully completed a managerial course focused on the management of healthcare companies.

Born in 1982 in Istanbul, Dr. Fatih Can Karaca completed his high school education at Bahçelievler Super High School in 2000 and then entered Cerrahpaşa Medical Faculty, graduating in 2006. During his medical training, he was a key player on the faculty's basketball team, winning the 14 March Medical Tournament twice.

In 2007, he began his residency in General Surgery at Istanbul University, developing a keen interest in laparoscopic surgery. He contributed to Turkey's first laparoscopic metabolic surgery for Type 2 diabetes at the Special Metabolic Surgery Clinic in 2009. He continued his education in metabolic surgery at Universal Hospitals’ Taksim German Hospital in 2011 and completed his residency in General Surgery in 2012.

From 2012 to 2014, Dr. Karaca worked as a General Surgery Specialist at Kanuni Sultan Suleyman Training and Research Hospital, followed by a role at a Metabolic Surgery Clinic in Şişli from 2014 to 2017. He gained extensive experience in obesity surgery and the surgical treatment of diabetes during this period. In 2015, he became a lecturer at Istanbul Bilgi University, sharing his knowledge and experiences with younger colleagues, and he was promoted to Assistant Professor in 2016 and Associate Professor in 2021.

Dr. Karaca has held various positions as a General Surgery Specialist in different hospitals, where he established obesity clinics and performed numerous successful surgeries. He is an active member of several professional organizations, including the International Federation for the Surgery of Obesity (IFSO) and the Turkish Obesity Surgery Association (TOSS).

An avid sports enthusiast, particularly in basketball and soccer, Dr. Karaca encourages his patients to incorporate sports into their lives. He also enjoys chess and nature walks. He is proficient in English, married, and a father of two.

Dr. Karaca has participated in numerous national and international conferences on obesity surgery, where he has presented his findings and experiences. He has published numerous scientific articles in prestigious international journals in the field of obesity surgery.

Professor Riccardo Rosati is the Head of the Gastrointestinal Surgery (GI) Department at the San Raffaele Research Hospital in Milan, Italy. He is a highly experienced surgeon with over 30 years of experience, having completed medical degrees in general medicine and general surgery, as well as specialization in thoracic surgery. He is a member of multiple surgical associations, and has written over 300 publications. His department treats approximately 2,000 surgical cases per year.

Medical Interests 

Obesity 

Insulin resistance 

Diabetes 

Hypoglycemia (low sugar) 

Growth retardation and short stature 

Anorexia 

growth hormone deficiency 

Puberty problems (early puberty, delayed puberty, excessive hair growth, menstrual irregularity, polycystic ovary syndrome) 

Turner syndrome 

Thyroid diseases (Goiter, hypothyroidism, hyperthyroidism, Hashimoto’s disease, thyroid nodule) 

Sexual development disorders (small penis, undescended testis, gender ambiguity, hypospadias) 

Adrenal gland diseases (Congenital adrenal hyperplasia, Addison’s disease, Cushing’s syndrome) 

Bone and calcium metabolism diseases (rickets, vitamin D deficiency, osteoporosis) 

Education 

Bachelor’s - Master’s: Ankara University Faculty of Medicine (1998-2004) 

Ph.D. - Specialization in Medicine: Child Health and Diseases, Dr. Sami Ulus Gynecology and Childhood Health and Diseases Training and Research Hospital (2005-2010) 

Ph.D. - Minor specialization: Pediatric Endocrinology, Dokuz Eylul University Faculty of Medicine (2010-2013) 

Experience 

Child Health and Diseases Specialist Diyarbakır Children’s Hospital 2010 

Pediatric Endocrine Minor Assistant Dokuz Eylül University Medical Faculty Hospital 2010-2014 

Pediatric Endocrinology Specialist İzmir Tepecik Training and Research Hospital 2014-2015 

Assistant Professor Izmir Katip Celebi University Faculty of Medicine 2015-2016 

Associate Professor Izmir Katip Celebi University Faculty of Medicine 2016-2021 

Pediatric Endocrinology Associate Professor Ulus Liv Hospital 2021- Present 

Pediatric Endocrinology Associate Professor Vadistanbul Liv Hospital 2021- Present

Memberships 

Aegean Child Endocrine and Diabetes Association, Member, 2010 

Pediatric Endocrinology and Diabetes Association, Member, 2010 

Growing Child Association, Member, 2014 

European Society of Pediatric Endocrinology (ESPE), Member, 2016

Medical Interests 

Diabetes 

Thyroid Diseases 

Obesity 

Hyperlipidemia 

Secondary Hypertension (Resistant Hypertension) 

Pituitary Gland Diseases 

Adrenal Gland Diseases 

Hirsutism (Increased Hairiness) 

Irregular period 

Delayed Puberty (Delayed Puberty) 

Metabolic Bone Diseases 

Osteoporosis 

Menopause 

Gynecomastia 

Excessive Sweating (Hyperhidrosis) 

Developmental Retardation

Education 

Ziya Gokalp High School / 1993 - 1996 

Gazi University Faculty of Medicine / 1997 - 2004 

Ankara Numune Training and Research Hospital / 2005-2009 / (Internal Medicine Clinic) 

Ankara Numune Training and Research Hospital / 2010-2013 / (Endocrinology and Metabolic Diseases Clinic)

Experience 

Ankara Numune Training and Research Hospital / Clinic of Internal Medicine / Assistant / 2005 -2010 

Bala District State Hospital / Specialist / State Service Obligation / 2010 -2010 

Ankara Numune Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Minor Assistant / 2010- 2013  

Ankara Numune Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 2013 - 2014  

Kocaeli Darıca Farabi State Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 55th Term State Service Obligation / 2014 - 2015  

Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 2015- 2016

Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Associate Professor / 2016-2017

Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Associate Professor 

Diyarbakır Private Practice / Associate Professor / 2020-2022

Liv Hospital Vadistanbul 2022-

Memberships 

Turkish Endocrine and Metabolism Society 

European Society of Endocrinology

Specialist in bariatric surgery

Surgeon. Laparoscopic and bariatric surgery specialist.

• Renowned endocrinologist specializing in hormone-related conditions.
• International practice in Germany, enhancing global endocrinology standards.
• Expert in managing diabetes, thyroid disorders, and metabolic syndromes.
• Holds certifications in general medicine and visceral surgery.
• Active member of the German Society for General and Visceral Surgery.
• Offers online consultations for international endocrinology patients.
• Pioneer in minimally invasive endocrine surgery techniques.
• Key founding member of the International Endohernia Society.
• Recognized authority in adrenal and pituitary gland surgeries.
• Contributes to advancing endocrinology through international collaboration.

Dr. is a Team Leader in Surgical Endocrinology at the Medical University of Vienna and a Specialist in general and visceral surgery. He has a Doctorate in Medicine from 2005 and has held a variety of positions since then, including Assistant Professor, Doctor's Assistant, University Professor, Senior Physician, and Head of the Surgical Endocrinology Working Group. He is a member of several societies and has been awarded the Venia Docendi Award and the Sandoz Award for Thyroid Research.

• Specializes in treating diabetes, thyroid disorders, and hormonal imbalances.
• International practice includes guidance for patients seeking treatments abroad.
• Offers remote consultations for global patients with endocrine disorders.

Doctor of Medicine (1996-2003). Specialized in Hospital Internal Medicine (2004-2009), Endocrinology (2011-2015), and has professional experience at various hospitals in Turkey (2004-2019).