
Assoc. Prof. Phunchai Charatcharoenwitthaya
Medical Gastroenterologist
- Assoc. Prof. Phunchai Charatcharoenwitthaya is a skilled Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He has reputed articles published in Journals.
- He held the post of Associate Prof. (Medicine), Mahidol University, Faculty of Medicine, Siriraj Hosp., Bangkok, Thailand.
- He completed MD, and Internal Medicine (Faculty of Medicine) from Siriraj Hospital Mahidol University, Thailand, in 1993 and 1999 respectively.
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- Assoc. Prof. Phunchai Charatcharoenwitthaya is a skilled Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He has reputed articles published in Journals.
- He held the post of Associate Prof. (Medicine), Mahidol University, Faculty of Medicine, Siriraj Hosp., Bangkok, Thailand.
- He completed MD, and Internal Medicine (Faculty of Medicine) from Siriraj Hospital Mahidol University, Thailand, in 1993 and 1999 respectively.

Assoc. Prof. Varayu Prachayakul
Hepatopancreatobiliary Surgeon
- Dr. Varayu Prachayakul is an accomplished Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification in Advanced Therapeutic Endoscopy and Endosonography, University Medical Center Hamburg-Eppendorf, Germany (2008).
- He was awarded for the outstanding medical student (1993).
- He had published some case reports, case series and articles in various Journals.
- He is a member of Thai Board of Gastroenterology.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1993).
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- Dr. Varayu Prachayakul is an accomplished Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification in Advanced Therapeutic Endoscopy and Endosonography, University Medical Center Hamburg-Eppendorf, Germany (2008).
- He was awarded for the outstanding medical student (1993).
- He had published some case reports, case series and articles in various Journals.
- He is a member of Thai Board of Gastroenterology.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1993).

Assoc. Prof. Siwaporn Chainuvati
Hepatopancreatobiliary Surgeon
- Dr. Siwaporn Chainuvatiis is an eminent Gastroenterologist having 25+ years of experience in this field.
- She is proficient in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in various Journals.
- She held the post of Resident (Internal Medicine) in 2001 at The Mary Imogene Bassett Hospital (Columbia University), Cooperstown, New york.
- She pursued MD (1995) in Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand and completed Fellowship in Gastroenterology (2004), from Yale University, New Haven.
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- Dr. Siwaporn Chainuvatiis is an eminent Gastroenterologist having 25+ years of experience in this field.
- She is proficient in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in various Journals.
- She held the post of Resident (Internal Medicine) in 2001 at The Mary Imogene Bassett Hospital (Columbia University), Cooperstown, New york.
- She pursued MD (1995) in Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand and completed Fellowship in Gastroenterology (2004), from Yale University, New Haven.

Assoc. Prof. Watcharasak Chotiyaputta
Medical Gastroenterologist
- Dr. Watcharasak Chotiyaputta is an accomplished Gastroenterologist having 24+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification from Thai Board of Internal Medicine (2002), Thai Board of Gastroenterology (2005), and Research fellowship (2010).
- He has published many papers in various Journals.
- He is member of various esteemed Associations which include: The Thai Medical Council, The Royal College of Physician of Thailand, and The Gastroenterological Association of Thailand.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1996).
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- Dr. Watcharasak Chotiyaputta is an accomplished Gastroenterologist having 24+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification from Thai Board of Internal Medicine (2002), Thai Board of Gastroenterology (2005), and Research fellowship (2010).
- He has published many papers in various Journals.
- He is member of various esteemed Associations which include: The Thai Medical Council, The Royal College of Physician of Thailand, and The Gastroenterological Association of Thailand.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1996).
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Assoc. Prof. Nonthalee Pausawasdi
Medical Gastroenterologist
- Assoc. Prof. Nonthalee Pausawasdi is a well-known Gastroenterologist having 23+ years of experience in this field.
- She is dexterous in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She held the post of Resident (Physician) at Department of Internal Medicine, University of Michigan Health system, Michigan (2004).
- She completed MD from Prince of Songkla University (1997), and got Research Fellowship (Gastroenterology) from University of Michigan Health system, Michigan (2001).
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- Assoc. Prof. Nonthalee Pausawasdi is a well-known Gastroenterologist having 23+ years of experience in this field.
- She is dexterous in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She held the post of Resident (Physician) at Department of Internal Medicine, University of Michigan Health system, Michigan (2004).
- She completed MD from Prince of Songkla University (1997), and got Research Fellowship (Gastroenterology) from University of Michigan Health system, Michigan (2001).

Dr. Tanyawat Prangboonyarat
Medical Gastroenterologist
- Dr. Tanyawat Prangboonyarat is a prominent Gastroenterologist having 20 years of experience in this field.
- He is proficient in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He was awarded a certificate of EUS-ERCP Training from Siriraj Hospital, Mahidol University. Thailand.
- He completed MD (2001) Faculty of Medicine, Thammasat University, diploma in Thai Board of Medicine and Thai Board of Gastroenterology from Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand in 2007 and 2008, respectively.
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- Dr. Tanyawat Prangboonyarat is a prominent Gastroenterologist having 20 years of experience in this field.
- He is proficient in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He was awarded a certificate of EUS-ERCP Training from Siriraj Hospital, Mahidol University. Thailand.
- He completed MD (2001) Faculty of Medicine, Thammasat University, diploma in Thai Board of Medicine and Thai Board of Gastroenterology from Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand in 2007 and 2008, respectively.

- Dr. Lecturer Supot Nimanong is an eminent Gastroenterologist having 20+ years of experience in this field.
- He is proficient in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He has many reputed articles and papers published in various Journals.
- He held the post of Research Associate (Oncoimmunology) at Hannover Medical School, Germany.
- He completed MD (first class Honors), diploma (Thai Board of Int. Medicine), and diploma (Thai Board of Gastroenterology) from Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand in 2000, 2006 and 2009 respectively.
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- Dr. Lecturer Supot Nimanong is an eminent Gastroenterologist having 20+ years of experience in this field.
- He is proficient in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He has many reputed articles and papers published in various Journals.
- He held the post of Research Associate (Oncoimmunology) at Hannover Medical School, Germany.
- He completed MD (first class Honors), diploma (Thai Board of Int. Medicine), and diploma (Thai Board of Gastroenterology) from Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand in 2000, 2006 and 2009 respectively.

Assist. Prof. Chonticha Auesomwang
Medical Gastroenterologist
- Dr. Chonticha Auesomwang is a skilled Gastroenterologist having 15+ years of experience in this field.
- She is adept in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in Journals.
- She pursued MD (2005), Diploma in Thai board of Internal medicine (2011), and Diploma in Thai board of Gastroenterologist (2011) from Faculty of Medicine, Siriraj Hospital, Mahidol University.
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- Dr. Chonticha Auesomwang is a skilled Gastroenterologist having 15+ years of experience in this field.
- She is adept in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in Journals.
- She pursued MD (2005), Diploma in Thai board of Internal medicine (2011), and Diploma in Thai board of Gastroenterologist (2011) from Faculty of Medicine, Siriraj Hospital, Mahidol University.

Assoc. Prof. Monthira Maneerattanaporn
Medical Gastroenterologist
- Assoc. Prof. Monthira Maneerattanaporn is a well-known Gastroenterologist having 14+ years of experience in this field.
- She is proficient in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in Journals.
- She pursued Fellowship in Gastroenterology (2006), from Faculty of Medicine, Siriraj Hospital, Mahidol University and has completed training in Residency (2001) from Faculty of Medicine, Siriraj Hospital, Mahidol University.
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- Assoc. Prof. Monthira Maneerattanaporn is a well-known Gastroenterologist having 14+ years of experience in this field.
- She is proficient in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in Journals.
- She pursued Fellowship in Gastroenterology (2006), from Faculty of Medicine, Siriraj Hospital, Mahidol University and has completed training in Residency (2001) from Faculty of Medicine, Siriraj Hospital, Mahidol University.

Dr. Choochai Teerawattananon
Medical Gastroenterologist
- Dr. Choochai Teerawattananon is a well-known Gastroenterologist having 11 years of experience in this field.
- He is dexterous in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He completed MD (2010), Fellowship (Gastroenterology), (2018), and Residency (Internal Medicine), (2011) from Faculty of Medicine, Siriraj Hospital, Mahidol University.
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- Dr. Choochai Teerawattananon is a well-known Gastroenterologist having 11 years of experience in this field.
- He is dexterous in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He completed MD (2010), Fellowship (Gastroenterology), (2018), and Residency (Internal Medicine), (2011) from Faculty of Medicine, Siriraj Hospital, Mahidol University.

Assoc. Prof. Somchai Leelakusolvong
Hepatopancreatobiliary Surgeon
- Dr. Somchai Leelakusolvong is a distinguished Gastroenterologist having 24+ years of experience in this field.
- He is deft in performing Endoscopy and treating digestive disorders.
- His area of interest is hepatic pancreatic biliary surgery and transplant surgery.
- He has various articles published in reputed journals.
- He completed MD (1986), Fellowship (Gastroenterology) (1995), and Resident training (1995), from Faculty of Medicine, Siriraj Hospital, Mahidol University.
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- Dr. Somchai Leelakusolvong is a distinguished Gastroenterologist having 24+ years of experience in this field.
- He is deft in performing Endoscopy and treating digestive disorders.
- His area of interest is hepatic pancreatic biliary surgery and transplant surgery.
- He has various articles published in reputed journals.
- He completed MD (1986), Fellowship (Gastroenterology) (1995), and Resident training (1995), from Faculty of Medicine, Siriraj Hospital, Mahidol University.
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