Best Thyroid disease doctors: TOP 57 doctors

Professor, specialist in pediatric endocrinology

• Education
• Sackler Faculty of Medicine, Tel Aviv University
• Specialization
• Pediatrics, Pediatric Endocrinology
• Recognized experience
• Specialist in pediatrics, specialist in pediatric endocrinology.
• Additional education
• 2002-2005 Internship in Pediatric Endocrinology, Children's Hospital in Cincinnati, Ohio, USA
• 2005-2006 Internship in Pediatric Neuroendocrinology, Children's Hospital in Cincinnati, Ohio, USA.
• Clinical experience
• 1998-2001 Specialization in Pediatrics, Dana Children's Hospital, Sourasky Medical Center, Tel Aviv
• 2002 Senior pediatrician at Dana Children's Hospital, Sourasky Medical Center, Tel Aviv
• 2002-2005 - specialization in pediatric endocrinology, Children's Hospital in Cincinnati, Ohio, USA.
• 2005-2006 Internship in Pediatric Neuroendocrinology, Children's Hospital in Cincinnati, Ohio, USA.
• 2006-2008 Senior pediatric endocrinologist, Safra Children's Hospital, Sheba Medical Center, Tel Hashomer
• 2007 onwards Pediatric Endocrinologist, Maccabi Health Services
• Since 2008 Senior Pediatric Endocrinologist, Dana-Duak Children's Hospital, Sourasky Medical Center, Tel Aviv
• Since 2010 Director of the Endocrine and Juvenile Diabetes Clinic, Dana-Duak Children's Hospital, Sourasky Medical Center, Tel Aviv
• Since 2011 Director of the Department of Pediatric Neuroendocrinology, Dana-Duak Children's Hospital, Sourasky Medical Center, Tel Aviv
• Academic experience
• 2008-2013 Clinical Instructor, Department of Pediatrics, Sackler Faculty of Medicine, Tel Aviv University
• 2013-2019 Lecturer in the Department of Pediatrics, Sackler Faculty of Medicine, Tel Aviv University.
• Since 2019, Senior Clinical Lecturer, Department of Pediatrics, Sackler Faculty of Medicine, Tel Aviv University
• Attending conferences
• About 30 presentations at scientific conferences
• Professional publications
• About 30 professional publications
• Trade union membership
• Israel Medical Association
• Israel Association of Pediatric Endocrinology
• Israel Endocrinology Association
• Areas of special interest and activities
• Endocrinology and diabetes in children, neuroendocrinology

Endocrinologist

Dr. Victor Alexander Krol - Chief of Gastroenterology, Internal Medicine and Obesity Treatment Center at Martinus Hospital

Dr. Victor Alexander Krol is a highly qualified specialist, heading the departments of gastroenterology and internal medicine. With many years of experience and deep knowledge in his field, Dr. Krol has established himself as an outstanding expert, providing patients with comprehensive treatment and an individual approach. He actively uses the latest methods of diagnosis and treatment of diseases of the gastrointestinal tract, metabolism, as well as diseases of the cardiovascular and respiratory systems.

Dr. Krol is also the director of the certified Obesity Treatment Center at Martinus Hospital, which provides surgical and endoscopic treatments for obesity. The center uses advanced technology to diagnose and treat obesity (adiposis), including methods such as bariatric surgery, endoscopic weight loss, and specialized programs for patients with different stages of obesity. The center is certified to high standards and has excellent results in the treatment of this serious disease.

The Gastroenterology Department, headed by Dr. Krol, diagnoses and treats diseases of the stomach, intestines, liver, pancreas, and gallbladder. The doctors of the department use a wide range of methods, including endoscopic procedures, ultrasound, and other modern diagnostic technologies.

The Department of Internal Medicine covers a wide range of diseases, including cardiology, diabetology, infectology, and therapy of respiratory and renal diseases. Dr. Krol and his team provide a comprehensive approach to treatment using the most advanced methods of medicine.

Thanks to his high professionalism and humane approach to each patient, Dr. Krol deservedly enjoys the respect of colleagues and patients.

Dr. Gonul Catli is a pediatric endocrinologist with over 20 years of experience. She specializes in childhood hormonal and metabolic disorders. Her areas of focus include diabetes, thyroid diseases, growth problems, and puberty issues. She received her training at Ankara University and Dokuz Eylul University. Dr. Catli has also worked as an Associate Professor at Izmir Katip Celebi University.

Dr. Catli is known for her scientific work and caring approach. She currently practices at Liv Hospital Ulus and Vadistanbul. She is a member of the European Society of Pediatric Endocrinology (ESPE) and several national associations. Dr. Catli is dedicated to using new treatments to support children’s health and well-being.

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.

Education

• Undergraduate: Çukurova University, Faculty of Medicine 1992-1998
• Specialty Education: Istanbul Training and Research Hospital 1998-2003
• Subspecialization: IU Istanbul Faculty of Medicine 2004-2007
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Experience

• Istanbul Training and Research Hospital 1998-2003
• IU Istanbul Faculty of Medicine 2004-2007
• Istanbul Training and Research Hospital 2007-2009
• Şanlıurfa Training and Research Hospital 2009-2011
• Bağcılar Training and Research Hospital August 2011- November 2011
• Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Endocrinology and Metabolic Diseases December 2011- 2014
• Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Endocrinology and Metabolic Diseases 2014-2020
• Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Endocrinology and Metabolic Diseases 2020-2024

Scientific Memberships
 

• Turkish Society of Endocrinology and Metabolic Diseases (Vice President)
• European Society of Endocrinology;
• Endosociety

Awards

1. 1. Bestclinical scientific publication support award (53rd National Diabetes Congress, 2017)
2. 2. 54th National Diabetes Congress (2018) with the study titled "The effects of adding pre-probiotics to the diets of patients with gastric bypass (GBP) on metabolic parameters, icretin levels and hunger, satiety and appetite scores of patients".

Medical Intrests

• Diabetes
• Thyroid diseases (hypothyroidism, hyperthyroidism, thyroid nodules)
• Pituitary diseases
• Adrenal gland diseases
• Osteoporosis

Dr. Kubilay Ukinc is a specialist in endocrinology and metabolic diseases. His clinical interests include diabetes, thyroid disorders, obesity, and hypertension. He also treats adrenal and pituitary diseases, as well as hormone-related disorders in both women and men. Dr. Ukinc has expertise in low blood sugar conditions.

He received his medical training at Hacettepe University and Karadeniz Technical University. He has worked in academic and clinical roles at Karadeniz Technical University, Çanakkale Onsekiz Mart University, and Istanbul Bilim University. Dr. Ukinc has broad experience in internal medicine and endocrinology. He is active in both patient care and medical education.

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. Bercem Aycicek is an Associate Professor with over 20 years of experience in endocrinology and metabolic diseases. She is known for her strong clinical skills in treating complex hormonal and metabolic conditions. Her areas of expertise include diabetes, thyroid diseases, obesity, and resistant hypertension.

Dr. Aycicek is one of the few endocrinologists in Turkey with a focus on gender-affirming hormone therapy for trans individuals. She provides evidence-based and sensitive care. She also has a special interest in women’s health, managing issues such as irregular periods, delayed puberty, and metabolic bone diseases.

She earned her Associate Professorship at Health Sciences University Derince. Dr. Aycicek has worked in both public and private healthcare settings, helping to improve access to care. She is an active member of the Turkish Endocrine and Metabolism Society and the European Society of Endocrinology.

Education:

• Degree: Faculty of Medicine, Trakya University, 2009
• Medical Specialty: Internal Medicine, Bakırköy Dr. Sadi Konuk Training and Research Hospital, 2010-2014
• Specialist Doctor: Internal Medicine, Kanuni Sultan Süleyman Training and Research Hospital, 2014-2019
• Specialist Doctor: Internal Medicine, Turkish Hospital Internal Medicine Clinic, Qatar, 2019-2020
• Specialist Doctor: Internal Medicine, Istanbul Medipol University Hospital Mega Hospital Internal Medicine Department, 2020-2024
• Associate Professor Doctor: Internal Medicine, Istanbul Medipol University Medipol Acıbadem Regional Hospital, 2024-Present.

Roles in Projects:

Sub investigator (Assistant Researcher) in the SOUL Study: Cardiovascular Outcome Research of Semaglutide in Type 2 Diabetic Patients, approved by the Turkish Medicines and Medical Devices Agency on May 22, 2019.

Sub investigator (Assistant Researcher) in the international study “SCALE™ Insulin”: Efficacy and Safety of Liraglutide 3.0 mg in Overweight or Obese Patients with Type 2 Diabetes Treated with Basal Insulin (Study Code: NN8022-4272), conducted by Novo Nordisk A.Ş.

Subinvestigator (Assistant Researcher) in the international study NN5401-4266 StepByStep Intensification conducted by Novo Nordisk.

Assistant Researcher in the study "A Research Study to Compare Semaglutide to Insulin Aspart, When Taken Together With Metformin and Insulin Glargine, in People With Type 2 Diabetes (SUSTAIN 11)" (2019-2020).

Assistant Researcher in the PIONEER 1 study: Randomized Clinical Trial of the Efficacy and Safety of Oral Semaglutide Monotherapy in Comparison With Placebo in Patients With Type 2 Diabetes.

Education and Expertise

• 1989 BORNOVA ANATOLIAN HIGH SCHOOL
• UNDERGRADUATE DEGREE 1995 EGE UNIVERSITY/ FACULTY OF MEDICINE
• SPECIALIZATION IN MEDICINE 2001 DOKUZ EYLÜL UNIVERSITY/MEDICAL FACULTY INTERNAL MEDICINE DEPARTMENT
• MEDICAL SPECIALIST 2005 DOKUZ EYLÜL UNIVERSITY FACULTY OF MEDICINE ENDOCRINE AND METABOLISM DISEASES

Biography

Our doctor admits patients aged or older than 15.

Medical Education

School of Medicine, Ege University

Medical Residency

Department of Internal Medicine, School of Medicine, Dokuz Eylül University

Department of Endocrinology, School of Medicine, Dokuz Eylül University

Areas of Interest

Diabetes Mellitus

Thyroid Diseases

Pituitary Diseases

Hirsutism

Osteoporosis

Membership

Turkish Society of Endocrinology and Metabolism

Experience

• 2005-2009 Private Western Anatolia Central Hospital
• 2009-2011 Private Healing Hospital
• 2011-2016 Private Izmir Sifa University
• 2016-2023 Izmir Medical Point Hospital

Professional Memberships

• Turkish Medical Association
• Turkish Endocrinology and Metabolism Association

Endocrinologist

NUTRITION AND DIET SPECIALIST 

Ezgi Sevic graduated from Hacettepe University, Department of Nutrition and Dietetic as Honor Student. During her education, she conducted studies on “'The Effect of Hedonic Eating Behavior on Obesity', 'Total Parenteral Nutrition in Children' and 'The Relationship Between Insulin Resistance and Obesity'.” During her education, she took part in the field in studies on determining the nutritional status of the society. She worked as intern dietitian in Hospitals of Hacettepe University (Oncology Hospital, Adults Hospital, İhsan Doğramacı Child Hospital), Dışkapı Yıldırım Beyazıt Training and Research Hospital and many Community Health Centres. 
She worked in Izmir Private Ekol Hospital. She successfully completed the 'Bariatric Nutrition Course' and the 'Innovations in Obesity Course'. She has participated in many training and seminar programs in her field. 

Interests: Post- Metabolic and Bariatric Surgery Nutrition, the Nutrition in Chronicle Diseases, Nutrition in Individuals with Diabetes, Nutrition in Cancer, Nutrition in Congenital Metabolic Diseases, Food Intolerances, Body Weight Control, Child and Adolescent Nutrition, Nutrition in Old Age, Nutrition in Pregnancy and Lactation.

Dietit. Ezgi Sevic knows advanced English. 

Dr. Philipp Riss is the Team Leader in Surgical Endocrinology at the Medical University of Vienna. He specializes in general and visceral surgery. Dr. Riss earned his Doctorate in Medicine in 2005. He is a Senior Physician and a University Professor. He leads the Surgical Endocrinology Working Group. Dr. Riss has also organized several major international congresses.

He has received the Venia Docendi Award and the Sandoz Award for Thyroid Research. Dr. Riss is a member of leading societies, such as the European Society of Endocrine Surgeons and the International Society of Surgery. He also serves on advisory boards for neuroendocrine and endocrine surgery in Austria.

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

Specializations

Diabetes (Sugar)

Thyroid

Hypertension

cholesterol

stomach diseases

intestinal diseases

osteoporosis

Experience

Azerbaijan Gusar Central Hospital

Vreden Russian Research Institute of Traumatology and Orthopedics

Azerbaijan Göranboy, First Lieutenant Doctor

Hospital Park Darıca Hospital

BAH

Education

Azerbaijan Medical Faculty (2015)

Kocaeli Derince Training and Research Hospital (2016-2020)

Vocational Trainings, Courses and Conferences Attended

Internal Medicine Congress

Gastro Academy

Dr. Mucahit Gur is an Internal Medicine Specialist. He focuses on Diabetes Mellitus, Hypertension, Obesity, Hyperlipidemia, and Thyroid Diseases. He received his medical degree from Cerrahpaşa Faculty of Medicine. He completed his specialization in Internal Diseases at Düzce University.

Dr. Gur has worked at Tokat Niksar State Hospital, Düzce University, and Tokat Zile State Hospital. He currently practices at Emsey Hospital. He is known for his expertise in metabolic and endocrine disorders. Dr. Gur uses evidence-based methods and is dedicated to providing high-quality care.

Prof Spiezia works for our private clinic in Naples, Clinica Ruesch. He is also the Head of the Endocrine Surgery Operative Unit at Ospedale del Mare Hospital, specializing in surgical procedures related to endocrine disorders, particularly thyroid and adrenal surgeries. He is also the Head of the Endocrine Surgery Regional Network, and consultant in the field of diagnostics and ultrasound-interventional therapy. 

Professor specializes in all endocrine pathologies with minimally invasive thyroid-saving interventions, on the parathyroids and lymph nodes, through video-assisted techniques, thermoablation with radio frequency for thyroid nodules, microwave thermoablation, and with laser.

He diagnoses the thyroid and lymph nodes by means of ultrasound-guided needle aspiration. Qualified as a robotic surgeon, coordinates training schools in endocrine ultrasound and has promoted various scientific meetings and training courses, emphasizing the care pathways for patients with thyroid pathologies. 

EDUCATION

Prof Stefano Spiezia holds a degree in Medicine and Surgery from the University of Naples, graduating cum laude in 1981. He specialized in Emergency Surgery at the same university, obtaining his diploma in 1986. In 1993, he completed a six-month specialization course in Minimally Invasive Surgery, followed by a managerial course in 1996 focused on healthcare organization management. He received accreditation for ultrasound units in 1997 and achieved a II level University Master’s Degree in Endocrine Surgery from the Seconda Università degli studi di Naples in 2007. This extensive educational background underscores his expertise in surgical practice and healthcare management.

PROFESSIONAL ACTIVITY

Stefano Spiezia has held several significant roles both in Italy and internationally, including:

• Head of the Endocrine Surgery Operative Unit, Naples, Italy
• Adjunct Professor at the University of Turin, Italy (2011-2025)
• Professor at Second University of Naples for Endocrine surgery, and Interventional diagnostics of the neck (1998-2014)
• Coordinator of the Training School at the Italian Society of Ultrasound in Medicine and Biology (SIUMB).
• Director and founder of the "Save Your Thyroid" International School of SIUMB, operating in Naples, Italy, and Cairo, Egypt
• Consultant in the Visiting Professor program at the Saudi German Hospital in Cairo, Egypt.
• Speaker and Organizer at various international congresses, including the ACTA Congress in Taipei, and the American Thyroid Association Congress in Chicago 

RESEARCH, PUBLICATIONS, MEMBERSHIP

Prof. Stefano Spiezia's research primarily focuses on endocrine disorders, particularly in the context of thyroid and adrenal surgeries: the development and application of minimally invasive surgical techniques, particularly for thyroid and adrenal surgeries, and is recognized as an expert in thermal ablation of the thyroid. 

In Clinical Trials, he is the Principal Investigator (PI) of the first in-human clinical trial (NP-TF-024) aimed at treating benign thyroid nodules, which highlights his commitment to advancing treatment options in endocrine surgery.

Stefano Spiezia is a member of several professional societies, including:

• Founder member of the EUROMIT in Minimally Invasive Thyroid Treatments
• American Thyroid Association: A leading organization focused on thyroid health and research.
• North American Society for Interventional Thyroidology: This society is dedicated to advancing the field of interventional thyroidology.
• Italian Society of Endocrine Surgery (SIUEC): He is a member and serves as a regional delegate in this society, which focuses on endocrine surgical practices in Italy.
• Italian Society of Ultrasound in Medicine and Biology (SIUMB): He is a member and currently serves as the General Secretary of this society, which promotes the use of ultrasound in medical practice

His  Editorial Roles:  Review Editor on the Editorial Board of Thyroid Endocrinology and a member of the Video Endocrinology editorial board in the ATA. 

Author of 7 books and 68 scientific publications.

His work has been cited 3,466 times across 2,256 documents, indicating a significant impact in his field.