Best Colonoscopy gastroenterologists: TOP 174 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

YOSAPHON VICHIENVANITCHKUL, M.D.

General Internal Medicine

Graduated (M.D. From)

Doctor of Medicine, Faculty of Medicine, Srinakharinwirot University

Working in general internal medicine treat patients with a wide range of acute and long-term medical conditions.

Certificates

Certificate of Internal Medicine, Faculty of Medicine, Bhumibol Adulyadej Hospital, Directorate of Medical Services, Royal Thai Air Force

Current Positions

General Internal Medicine doctor at Intrarat Hospital

Associate Professor Dr. Yusuf AÇIKGÖZ
Specialization: Medical Oncology

Education:

• 2004-2011: İnönü University Faculty of Medicine
• 2011-2016: Ankara Numune Training and Research Hospital, Internal Medicine
• 2017-2022: Health Sciences University, Medical Oncology

Professional Experience:

• 2016-2017: Bingöl City Hospital, Internal Medicine
• 2021-2022: Health Sciences University, Medical Oncology
• 2022-2023: Kastamonu Education and Research Hospital, Medical Oncology
• 2023-2024: Ohio State University, Medical Oncology
• 2024-Present: Lokman Hekim University, Medical Oncology, Ankara Hospital

Clinical Trials, Courses, Certifications:

Clinical Trials:

• 2017-2021: Phase III, CheckMate-649 Study (Assistant Investigator)
• 2022-Present: Phase III, Fortitude-101 Study (Assistant Investigator)

Courses:

• 2018: Medicres Basic and Advanced Biostatistics Training Program (ongoing), Istanbul-Vienna
• 2019: Immuno-Oncology Education Course, March 1-2, 2019, Vienna, Central European Cooperative Oncology Group (CECOG)
• 2018: Good Clinical Practice Certification, April 7-8, 2018, Ankara, Health Sciences University
• 2017: Basic Oncology Training Program, November 25-26, 2017, Adana, Clinical Oncology Society
• 2016: Basic Ultrasonography Course (10 hours theoretical + 10 hours practical), September 24-25, 2016, Ankara, Turkish Emergency Medicine Association

Certifications:

• Ongoing: ECFMG Certification
• 2024: CITI Responsible Conduct of Research (The Ohio State University)
• 2024: CITI IACUC-Laboratory Animal Research (The Ohio State University)
• 2024: CITI Human Subjects Protection (The Ohio State University)
• 2024: CITI Good Clinical Practice (The Ohio State University)
• 2023: Occupational English Test (OET)
• 2019: International English Language Testing System (IELTS), Total Score: 6.5, May 26, 2019, Ankara, British Council
• 2017: USMLE Step 2 CK Exam; Score: 244, February 7, 2017
• 2016: USMLE Step 1 Exam; Score: 215, August 25, 2016

Memberships:

• American Society of Clinical Oncology (ASCO) - 2022
• Turkish Society of Medical Oncology - 2020

Areas of Interest

• Interventional Radiology
• Thyroid Imaging and Interventions
• Prostate Imaging and Interventions

Education
1980–1986: Istanbul University Cerrahpaşa Faculty of Medicine
1976–1980: Kabataş Boys' High School

Work Experience

• Başkent University Istanbul Hospital
• S.B. Haydarpaşa Numune Training and Research Hospital

Professional Training

• Istanbul University Cerrahpaşa Faculty of Medicine (Medical Degree)
• S.B. Haydarpaşa Numune Training and Research Hospital (Radiology Residency)
• Anadolu University, Faculty of Open Education (Healthcare Management)

Memberships

• Istanbul Medical Chamber
• Istanbul Radiology Society

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.

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis

Education

• Graduation: Faculty of Medicine, Istanbul University, 1994
• Specialization: Internal Medicine, SBU Haseki Hospital, 1998
• Specialization: Gastroenterology, SBU Sisli Etfal Hospital, 2007
•  

Experience

• Associate Professorship SBÜ Ümraniye EAH, 2012
• Professorship SBÜ Ümraniye EAH, 2017
• Professorship Biruni University, 2023
•  

Scientific Memberships

• Turkish Gastroenterology Association
• Turkish Liver Association
• Inflammatory Bowel Diseases Association
• HEBIPA (Hepatitis Infections Union and Prophylaxis Association)
•  

Awards

• "National Scholar Award" in 2011 UEGW Stockholm for his study titled "Levofloxacin Based Sequential and Triple Therapy Compared with Standard Plus Probiotic Combination for Helicobacter Pylori Eradication".
• "Microscopic Colitis and Focal Active Colitis Coexistence in Patients with Irritable Bowel Syndrome" 3rd prize in the Poster Paper category at the 23rd National Gastroenterology Week 2006.
• "Investigation of Damage Pathways in Liver Tissue in Chronic Hepatitis B: A Comparative Proteomic Study" in the 26th issue of Turkish J. Gastroenterol in 2015.
• "Investigations of the EGF and its receptor EGFR gene variants in ulcerative colitis", 3rd prize in the Oral Presentation category at the XVth Eurasian Congress of Gastroenterology and Surgery 2016.
• 1st prize in the Oral Presentation category at the XVIth National Hepatitis Congress in 2023 with the study titled "Prospective evaluation of four-year follow-up results of Hepatitis C patients in AMATEM follow-up".

Medical Intrests

• EUS
• ERCP
• Cholangioscopy
• POEM
• Stomach Balloon
• ESD
• Colonoscopy
• Polypectomy
• Inflammatory bowel diseases
• Liver Cirrhosis
• Gastroesophagial Reflux Disease,
• Functional Diseases
• IBS
• Dyspepsia
• Motility
• Manometry
•  

Education

Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015

Experience

MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022

Scientific Membership

Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)

Medical Intrests

• Breast Cancer
• Lung Cancer
• Colon Cancer
• Stomach Cancer
• Rectal Cancer
• Ovarian Cancer
• Liver Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Kidney Cancer
• Larynx Cancer - Cancer of the Larynx
• Thyroid Cancer
• Head and Neck Cancers
• Gynaecological Cancers
• Pancreatic Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Uterine Cancer
• Brain Cancers - Brain Tumours
• Soft Tissue Cancer - Sarcomas
• Prostate Cancer
• Bladder Cancer
• Bile Tract Cancer
• Testicular Cancer
• Cervical Cancer
• Mouth, Tongue, Lip Cancers
• Gastrointestinal System Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal System Tumours
• Gallbladder Cancer
• Mesothelioma

Dr. Shawn Khodadedey, a best in class board certified gastroenterologist in NYC (GI doctor), is a specialist in the diagnosis and treatment of conditions of the gastrointestinal tract (the digestive tract from the mouth through anus, including the stomach and bowel), liver, pancreas and gall bladder.

Dr. Khodadedey is currently an attending physician at Lenox Hill Hospital in NYC. He is also a clinical instructor at NYU Langone Medical Center in NYC. Dr. Khodadedey has been voted by his peers as a Castle Connolly Top Doctor as well as New York Super Doctors and selected to the prestigious group of New York Magazine Best Doctors. Dr. Khodadedey’s private practice is located on NYC’s  Union Square, Upper East Side and Midtown Manhattan.

Manhattan Gastroenterology
55 W. 17th St, Ste 102,
New York, NY 10011
Web Address https://www.manhattangastroenterology.com/

Union Square Office: https://www.manhattangastroenterology.com/gastroenterologist-union-square/

Our Location on the map: https://goo.gl/maps/iyoSymzvWrhou8EG8

https://plus.codes/87G8P2Q4+M4 New York

Nearby Locations:
Union Square 
Greenwhich Village | East Village | West Village | Kips Bay | Stuyvesant Town | Gramercy Park | Rose Hill | Nomad | Murray Hill | Koreatown
10009 | 10010 | 10011 | 10014 | 10016 | 10017 | 10453

Working Hours: (Union Square)
Monday: 8:00 am - 7:00 pm
Tuesday: 8:00 am - 7:00 pm
Wednesday: 8:00 am - 7:00 pm
hursday: 8:00 am - 7:00 pm
Friday: 8:00 am - 5:00 pm
Saturday: CLOSED
Sunday: CLOSED

983 Park Ave, Ste 1D,
New York, NY 10028
Upper East Side Office https://www.manhattangastroenterology.com/gastroenterologist-upper-east-side/

Our Location on the map: https://goo.gl/maps/6m8pgy24rDzCxTxX6

https://plus.codes/87G8Q2HR+7R New York

Nearby Locations:
Upper East Side 
Lenox Hill, Manhattan Valley, Upper West Side, Carnegie Hill, Yorkville 
10021, 10028, 10065, 10075, 10128, 10029

Find Your Nearest Location Below:
Lower East Side
SoHo
Chinatown
Battery Park City
Tribeca
Lincoln Square
Hells Kitchen
Midtown West

Working Hours: (Upper East Side)
Monday: 8:00 am - 6:00 pm
Tuesday: 8:00 am - 6:00 pm
Wednesday: 8:00 am - 6:00 pm
Thursday: 8:00 am - 6:00 pm
Friday: 8:00 am - 6:00 pm
Saturday: CLOSED
Sunday: CLOSED

Payment: cash, check, credit cards.

Prof. Kıvanç Derya Peker completed his medical education and general surgery specialization at Istanbul University Istanbul Faculty of Medicine (Çapa). After his major specialization, he got his Gastroenterology Surgery Specialization from the Gastroenterology Surgery Clinic of Kartal Koşuyolu Yüksek İhtisas Training and Research Hospital by entering the top 3 in the minor examination.

During his sub-branch assistantship, he received a scholarship from the Turkish Surgery Association and worked at Mayo Clinic (Rochester, USA) Hepatopancreatobiliary Surgery Clinic and Obesity-Metabolic Surgery Clinic. After returning to Turkey, He was one of the founders of the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Training and Research Hospital. Peker provided Hepatopancreatobiliary Surgery training to general surgery residents and gastroenterology surgery residents in this hospital, which is accepted as a training unit by the Turkish HPB Association.

On the other hand; In order to learn , cancer biology, cellular properties of obesity and aging, he did his doctorate and thesis on aging at Istanbul University, Istanbul Faculty of Medicine (Çapa), Department of Medical Biology. Then, he moved to Başakşehir Çam and Sakura City Hospital to establish the Gastroenterology Surgery Clinic.

Especially in his career; He is interested in Pancreatic Diseases and Surgery, Gallbladder and Bile Duct Diseases Surgery, Liver Cancer Surgery, Stomach Cancer Surgery and Obesity-Metabolic Surgery. Peker has carried out many successful operations. He has performed over 400 pancreatic and gastric cancer surgeries, over 200 liver surgeries, many surgeries related to gallbladder and biliary tract diseases, obesity – metabolic surgery and endoscopic treatments, and kidney transplants so far. He is also interested in aging and stem cell treatments.

MEDICAL INTERESTS

• Pancreatic Surgery
• Gallbladder and Tracts Surgery
• Liver Diseases Surgery
• Stomach Diseases and Stomach Cancer Surgery
• Obesity – Metabolic Surgery and Endoscopic Treatments
• Kidney Transplant

Education and Specialization

• Faculty of Medicine, Hacettepe University
• 1999 - Akdeniz University, Faculty of Internal Medicine, Internal Medicine Specialization Training
• Internal Medicine Specialization Training in the USA, Akdeniz University (2013 - 2014)
• Internal Medicine Specialization Training in the USA (2013 - 2014) - Medical Oncology Department
• Akdeniz University, Faculty of Medicine, Department of Medical Oncology (Received Associate Professorship title)

Work Experience

• 2009 - Kayseri Training and Research Hospital, Hospital
• Acıbadem Kayseri
• 2017 - 2018 - Lara Private Anadolu Hospital
• 2018 - Medical Park Antalya Hospital Complex

Expertise

• Diagnosis of organ tumors
• Chemotherapy in cancer treatment
• Targeted cancer therapies
• Immunotherapy in cancer treatment
• Next-generation genetic research in cancer treatment
• Complementary medicine in cancer treatment
• Medical oncology

Education and Specialization

• 2006 – Ankara University, Faculty of Medicine
• 2007, 2011 – Baskent University, Faculty of Medicine, Residency Training

Experience

• 2011, 2013 – Konya Çumra State Hospital – Radiology Specialist
• 2013, 2018 – Baskent University Konya Application and Research Center, Interventional Radiology Unit – Lecturer
• 2018,2019 – Baskent University Konya Application and Research Center, Interventional Radiology Department – Associate Professor
• 2019  Present – Medical Park Antalya Hospital Complex, Interventional Radiology Department – Associate Professor

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

• Ankara University Faculty of Medicine – Medical Education
• Ankara University Faculty of Medicine – General Surgery Specialization
• Akdeniz University Faculty of Medicine – Associate Professorship
• Akdeniz University Faculty of Medicine – Professorship

Professional Memberships
• Turkish Medical Association
• Mediterranean Health Foundation
• Akdeniz University Development and Health Foundation
• Transplantation Organizations Coordination Association
• National Surgical Association

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

Education

Studied at the Medical School of the University of Giessen, Germany (1996 - 2003)

Specialization in Pathology (2009)

Specialization in Gastroenterology (2012)

Professional Experience

Resident in Special Pathology at Klinikum Offenbach, Germany (Jul 2003 - Aug 2009)

Resident in Gastroenterology at Klinikum Offenbach, Germany (Aug 2009 - Dec 2012)

Commissioner of the Gastroenterology Clinic at Klinikum Offenbach, Germany Apr 2010 - Aug 2014 (Director: Prof. Dancygier Apr 2010-Mar 2014, Prof. Ell Apr 2014 - Aug 2014)

Senior Attending Physician (Deputy Director) at the Department of Gastroenterology, Kreiskliniken Darmstadt-Dieburg Hospital, Germany Sep 2014 - Dec 2020 (Director Dr. Dotzel)

Director of the Gastroenterology Department at the German Oncology Centre in Limassol, Cyprus (Jan 2021 to date)