Assoc. Prof. Nuri Alper Şahbaz is an experienced doctor with medical education from Istanbul University, Cerrahpaşa Faculty of Medicine, and scientific and clinical experience from Baylor College of Medicine and The University of Texas Medical School. He is specialized in endocrine surgery (thyroid, parathyroid, adrenal gland and neuroendocrine tumors) and has performed over 2000 successful surgeries in this area. He also specializes in laparoscopic and minimally invasive surgeries, as well as in diagnostic and therapeutic gastrointestinal system endoscopy.

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

Prof. Dr. Ayla Güven graduated from Gazi University Faculty of Medicine in 1986 and completed her mandatory service at Ege University Chest Diseases Bornova Tuberculosis Dispensary. Following that, she started her specialization training in the Department of Child Health and Diseases at Hacettepe University Faculty of Medicine and became a specialist in 1993. After working as a specialist physician, she began her subspecialty training in Pediatric Endocrinology at Gazi University Faculty of Medicine in September 2000 and became a Pediatric Endocrinology specialist in December 2002. In April 2003, she started working as an assistant professor at Ondokuz Mayıs University Faculty of Medicine and worked in the Pediatric Endocrinology and Diabetes Department at the Children’s Hospital of Pittsburgh, USA, between May and November 2003. After returning to Turkey, she continued to work at Ondokuz Mayıs University Faculty of Medicine. This clinic was the first to offer Pediatric Endocrinology subspecialty training in the country. During her time there, one person became a Pediatric Endocrinology specialist. On March 13, 2006, she successfully passed the exam and received the title of Associate Professor. Since December 2006, she has been working at Göztepe Training and Research Hospital. In this hospital, she was appointed as the head of the Pediatric Endocrinology clinic in November 2008 and started providing Pediatric Endocrinology subspecialty training for the first time in the hospital in March 2009. Between 2009 and 2017, she trained five Pediatric Endocrinology specialists. Most of the physicians she currently provides subspecialty training to have gained academic titles as professors and associate professors. After working as a training instructor at Health Sciences University Zeynep Kamil Hospital for Children and Women from 2017 to 2021, she retired at her request from public service. Between 2021 and 2024, she worked as a Pediatric Endocrinology specialist at Başkent University Faculty of Medicine, Department of Child Health and Diseases, at Istanbul Hospital.

MEDICAL INTERESTS

• Menstrual disorders and increased hair growth in girls, polycystic ovary syndrome
• Adrenal diseases
• Sexual development disorders
• Type 2 diabetes
• Thyroid diseases
• Growth disorders: short stature and tall stature
• Puberty disorders: precocious puberty-delayed puberty

Endocrinologist

Education and Experience

• 1992 - 1998, Gaziantep University, Faculty of Medicine
• 2002 – 2015, Cumhuriyet University, Faculty of Medicine, Department of Internal Medicine
• 2015 – 2024, Bağcılar Medipol Mega University Hospital
• 2024 – Present, Medipol Acıbadem Hospital

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.

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
•  

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

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™ ”: Efficacy and Safety of Liraglutide 3.0 mg in Overweight or Obese Patients with Type 2 Diabetes Treated with Basal (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 Aspart, When Taken Together With Metformin and 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

• ISTANBUL UNIVERSITY FACULTY OF MEDICINE

Diseases

• Adrenal gland diseases
• Diabetes
• Hypertension
• Pituitary Diseases
• High Cholesterol
• Parathyroid diseases
• Diabetes
• Thyroid gland diseases
• Pubescence

Experience

• Izmir Ataturk Training and Research Hospital – Internal Medicine
• Kırıkkale Faculty of Medicine – Endocrinology

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

Education and Expertise

• DOKUZ EYLÜL UNIVERSITY FACULTY OF MEDICINE

Diseases

• Hernia Surgery
• Breast Diseases
• Stomach Cancer
• Gallbladder Diseases
• Thyroid Diseases
• Esophageal Cancer

Treatment Methods

• Gastric Bypass
• Laparoscopic Hernia Surgery
• Laparoscopic Gallbladder Surgery
• Breast Surgery
• Gastric Balloon
• Mini Gastric Bypass
• Reflux Surgery
• Revision Surgery
• SADI-S Surgery
• Thyroid Surgery
• Gastric Sleeve
• Swallowable Gastric Balloon

Experience

• Bulent Ecevit University General Surgery
• Van Education and Research Hospital
• Izmir Private Egeşehir Hospital
• Izmir Private Egepol Hospital
• Izmir Private Central Hospital
• Izmir University of Economics Medical Point Hospital

Professional Memberships

• National Turkish Surgical Association
• National Society of Hepato Pancreatico Biliary Surgery
• National Society of Colon Rectal Surgery
• National Society for Minimally Invasive Surgery
• National Society of Robotic Surgery
• National Society of Endocrine Surgery
• Ifso (International Federation Of Surgery Of Obesity)
• National Turkish Association of Obesity Surgery
• National Turkish Obesity Research Association
• Espen (European Society For Clinical Nutrition And Metabolism)
• Kepan (Association of Clinical Enteral Parenteral Nutrition)

Medical Interests 

Obesity 

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

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

ASSOC. PROF. MD. BERÇEM AYÇIÇEK

Endocrinology and Metabolic Diseases

Interests

Transsexualism

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 January-2010November

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

Ankara Numune Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / MinorAssistant / 2010 September- 2013 December

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

Kocaeli Darıca Farabi State Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 55thTerm State Service Obligation / 2014 March- 2015 April

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

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

Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Associate ProfessorDiyarbakır Private Practice / Associate Professor / 2020 September-2022 August

Memberships

Turkish Endocrine and Metabolism Society

European Society of Endocrinology

Turkish Medical Association

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)