Page 7 - Best gastroenterologists: TOP 163 doctors

Pichai Kittipanyaworakul, M.D.
Pichai Kittipanyaworakul, M.D.

INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST

Graduation (M.D. From)

Bachelor of Medicine, Faculty of Medicine, Chiang Mai University

Certificates

Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn Memorial Hospital, Thai Red Cross Society

Diploma of Internal Medicine in Gastroenterology and Hepatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University

Current Positions

INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST AT INTRARAT HOSPITAL

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.

Education

• Hacettepe University Faculty of Medicine / 2003
• Şişli Etfal Training and Research Hospital / 2009
•  
•  

Experience

• 2023 - Presently Güneşli Erdem Hospital
• 2021 - 2023 Şişli Etfal Training and Research Hospital
• 2019 - 2021 Bağcılar Training and Research Hospital
• 2017 - 2019 Private Surp Pırgiç Armenian Hospital
• 2011 - 2017 Private Camlica Erdem Hospital
• 2010 - 2011 Göle State Hospital
• 2009 - 2010 Edremit Military Hospital
•  
•  

Professional Memberships

TTB-Istanbul Medical Chamber

Turkish Surgery Association

Turkish Colon and Rectum Surgery Association

Turkish Hepato-Pancreato-Biliary Surgery Association

Procedures Performed

• Laparoscopic gastric cancer, colon cancer and rectal cancer operations
• Laparoscopic anti-reflux surgery
• Laparoscopic appendectomy (appendicitis)
• Laparoscopic cholecystectomy (gallbladder)
• Endocrine Surgery
• Gastroenterology Surgery
• Tube Stomach Surgery
• Gastric Bypass
• Gastric Balloon
• Swallowable Gastric Balloon
• hemorrhoid disease
• Anal fissure-fistula disease
• inguinal hernia
• incisional hernia
• umbilical hernia
• anal abscess
• hair transplant surgery

Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

1.Bachelor’s degree
- Doctor of medicine, Rangsit university.

2.Master’s degree

>Medical and health science degree
- Professional master’s degree in clinical nutrition in medicine.
- Professional master’s degree in integrative medicine.

>Management degree
- Professional master’s degree in hospital and health services management.

3.Doctorate degree
- Doctorate in psychology (candidate).

4.Diploma
- American Bord of nutritional wellness.
- American naturopathic certification board.

- Certified integrative oncology physician, American institute of integrative oncology.

- Certified fertility wellness physician.

- Certified CBT-I physician.

- Advanced nutritional wellness, IFNW.

-Biochemical and clinical analysis diploma.

- Functional gastroenterology and pediatric food allergies diploma.

- IV nutrition diploma, IFNW.

-Medicinal herbology diploma, IFNW.

Professional Background

• Medical Education: Licensed Medical Doctor, UNAM School of Medicine, Mexico City.
• Advanced Studies: Degrees and diplomas in Business Administration, Neuroscience, Neuroanatomy, and Aesthetic Medicine.
• Certifications and Workshops:
  • International Congress on Regenerative Medicine and Cell Therapy.
  • Congress on Regenerative and Functional Medicine.
  • Workshop on Regenerative and Functional Medicine.

Areas of Expertise

• Regenerative Medicine & Mesenchymal Stem Cell Applications.
• Neuroscience & Neuroanatomy.
• Functional and Aesthetic Medicine.

Education

Undergraduate Faculty of Medicine Trakya University 1995-2001
Medical Residency Internal Medicine Uludağ University 2001-2006
Subspecialty Gastroenterology Medeniyet University, Göztepe Training and Research Hospital / Gastroenterology Clinic 2007-2011

Experience

Internal Diseases
Assistant doctor Uludağ University Faculty of Medicine
Internal Diseases USA 2001-2006

Internal Diseases Specialist Şanlı Urfa Mehmet Akif İnan
Training and Research Hospital 2007
(Jul-Dec)

Gastroenterology Minor
Assistant Istanbul Medeniyet Universityniversitesi
Göztepe Training and Research Hospital
Gastroenterology Clinic 2007-2011
Gastroenterology Specialist Sivas Numune Hospital 2011-2013

Gastroenterology
Chief Resident Health Sciences University
Ümraniye Training and Research Hospital 2013-2017

Assoc. Dr.
Chief Assistant of Gastroenterology Clinic University of Health Sciences
Ümraniye Training and Research Hospital
2017-2021

Assoc. Dr.
Gastroenterology Clinic Administrative Responsible University of Health Sciences
Ümraniye Training and Research Hospital
2021-2024

Scientific Memberships
 

Turkish Society of Gastroenterology
Turkish Association of Liver Research
Gastrointestinal Endoscopy Society

Awards

Third Prize for Oral Presentation, 32nd National Gastroenterology Week, Turkish Gastroenterology Association, November 25-29, 2015. Turkish J. Gastroenterol 2015;26(suppl 1): Oral Presentation 03, S:11
Oral Presentation Third Prize. XVth Eurasian Congress of Gastroenterology and Surgery, 27 apr-01 May 2016, Antalya P:89

Education and Academic Titles

• Hacettepe University Faculty of Medicine – Medical Degree, 1992
• Başkent University Faculty of Medicine – General Surgery Residency, 1995
• Ankara Numune Training and Research Hospital – General Surgery Residency, 2000
• Gaziantep University Faculty of Medicine – Assistant Professor of General Surgery, 2007
• Interuniversity Council – Associate Professorship, 2018
• Istanbul Aydın University – Professorship, 2023
• Second Bachelor’s Degree: Anadolu University – Public Administration, 2008
• Master’s Degree: Akdeniz University – Health Law, 2023

Education and Specialization

• 1995 – 2001: Bachelor's Degree, Eskişehir Osmangazi University, Faculty of Medicine, Turkey
• 2001 – 2007: Medical Specialization, Department of Internal Medicine, Akdeniz University, Faculty of Medicine, Turkey
• 2008 – 2011: Subspecialty, Department of Internal Medicine, Division of Gastroenterology, Süleyman Demirel University, Faculty of Medicine, Turkey

Professional Experience

• 2001 – 2007: Research Assistant, Department of Internal Medicine, Akdeniz University, Faculty of Medicine
• 2007 – 2008: Internal Medicine Specialist, Konya Bozkır State Hospital
• 2008 – 2011: Research Assistant, Department of Gastroenterology, Süleyman Demirel University, Faculty of Medicine
• 2011 – 2013: Gastroenterology Specialist, Burdur State Hospital
• 2013 – 2019: Assistant Professor, Department of Internal Medicine, Division of Gastroenterology, Akdeniz University, Faculty of Medicine
• 2019 – 2022: Associate Professor, Department of Internal Medicine, Division of Gastroenterology, Akdeniz University, Faculty of Medicine

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

Education

Yeditepe University School of Medicine

Professor of Pediatrics (Chair of the Department)

2004 - 2007

Dokuz Eylül University School of Medicine

Pediatric Gastroenterology Sub-specialty

1995 – 1998

Hacettepe University School of Medicine

Pediatrics Instructor

1985 - 1987

Professional Experience

Ataşehir Florence Nightingale Hospital

Pediatrician, Pediatric Gastroenterology

2017 – Present

Kadıköy Şifa Ataşehir Hospital

Pediatric Gastroenterology and Nutrition

2013 – 2017 

Dokuz Eylül University School of Medicine

Professor of Pediatrics

1994 – 2004

Publications

Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

bacterial agents. Turk J Pediatr. 1987. Link

Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

recurrent diarrhoea. J Trop Pediatrics. 1990. Link

Languages

Turkish: Native

English: Advanced

Education

2005 – M.D., Istanbul University, Istanbul Faculty of Medicine

2010 – Internal Medicine Specialization, Haseki Training and Research Hospital

2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine

Academic & Professional Experience

Assistant Professor, Istanbul Florence Nightingale Hospital

Assistant Professor, Istanbul Bilim University Faculty of Medicine

Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine

Head of Department, Giresun University Faculty of Medicine

Scientific Publications

Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:

Gastrointestinal bleeding management in anticoagulant users

Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites

Liver transplantation complications, including graft-versus-host disease

The role of (pro)hepcidin in IBD-related anemia

Endoscopic interventions for acute GI bleeding

Covid-19 treatment agents and their GI implications in Turkey

(Full publication list available upon request)

Clinical Expertise

Gastrointestinal bleeding & endoscopic procedures

Hepatology & liver disease management

Inflammatory bowel diseases (IBD)

Complex GI case diagnostics

Post-transplant GI complications

Diabetic GI and cardiovascular comorbidities

Dr. Binnur Simsek is a gastroenterology specialist. She has experience in liver cirrhosis, portal hypertension, hepatocellular carcinoma, liver transplantation, and viral hepatitis (B, C, Delta). She also treats alcoholic and non-alcoholic fatty liver disease, peptic ulcers, gastrointestinal bleeding, and inflammatory bowel diseases such as ulcerative colitis and Crohn’s colitis.

She completed her medical and gastroenterology training at Istanbul University Faculty of Medicine. Dr. Simsek has worked at Istanbul University, Sanlıurfa Education and Research Hospital, Liv Hospital, and Istinye University. She is a member of the Turkish Association for the Study of the Liver and the Turkish Society of Gastroenterology.

Dr. Ozlem Saygili Yonem is a gastroenterology specialist at Memorial Bodrum Hospital. She previously worked at Sivas Medicana Hospital. From 2007 to 2023, she was a faculty member in the Department of Gastroenterology at Sivas Cumhuriyet University.

Dr. Saygili Yonem completed her gastroenterology subspecialty training at Hacettepe University. She also holds a specialization in internal medicine from Sivas Cumhuriyet University. She is a member of the Turkish Society of Gastroenterology, the Gastrointestinal Endoscopy Society, and the Inflammatory Bowel Disease Association.

She has advanced training in endoscopic ultrasonography, motility studies, and hepatology. She also gained international experience at Johns Hopkins University with a scholarship from the Turkish Society of Gastroenterology.

Dr. Mustafa Emiroglu is a general surgery specialist at Memorial Bodrum Hospital. He has significant experience from his work at Sağlık Bilimleri University Tepecik SUAM (2016–2023) and Kırşehir Hospital (1997–1999).

He earned his medical degree from Istanbul University Cerrahpaşa Faculty of Medicine. He completed his specialization at Tepecik Training and Research Hospital. Dr. Emiroglu is a member of the Turkish Society of Surgery, the Endocrine Surgery Association, and the Colorectal Surgery Association.

He has attended advanced courses, including the Europe Senology Academia. He has also received training in proctologic, hemorrhoidal, and oncoplastic breast surgery, as well as thyroid diseases.

Dr Nimet Ozcan is a dermatologist with over 10 years of experience. She graduated from the Erciyes University Faculty of Medicine in 2008. She completed her dermatology specialization at Ankara Numune Training and Research Hospital in 2014. She provides care in both medical and cosmetic dermatology.

Clinical focus: acne, eczema, psoriasis, and fungal and bacterial infections. Dermato-oncology with early detection and surgical excision of suspicious lesions. Dermal fillers, chemical peels, and mesotherapy. Laser treatment for vascular lesions, pigmentation disorders, and hair removal. Pediatric dermatology. Languages: English.