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Watcharin Wichapolchaiyakul
9
years of experience

Watcharin Wichapolchaiyakul

  • Specialization: Gastroenterologist
  • 9 years of experience
  • Speaks:
    English, Thai
  • Workplace: Thailand, Bangkok, PMG Hospital
  • Member of the American Gastroenterological Association (AGA) Institute and presenter at Digestive Disease Week (DDW).

    Dr. Watcharin Wichapolchaiyakul is a board-certified gastroenterologist and internal medicine specialist at Siriraj Hospital, Mahidol University in Bangkok. He completed a gastroenterology fellowship and internal medicine board training at Siriraj. He received his MD from the Faculty of Medicine Siriraj Hospital. He graduated with First Class Honors (GPA 3.90).

    His clinical expertise includes Helicobacter pylori infection, gastric mucosal disorders, and drug-induced liver injury. He has presented research at Digestive Disease Week in Chicago. His work covers gastric microbiota in CagA-positive and CagA-negative H. pylori. It also includes gene-guided N-acetylcysteine for prevention of anti-tuberculous drug-induced hepatitis. He is a member of GAT, the AGA Institute, the Medical Council of Thailand, and RCPT.

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About clinic PMG Hospital
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1-1 of 1 review
Anonymous • Coronary stenting
Thailand
Jul 6, 2026
Verified review.
Yasmina, my coordinator was very helpful in making my decision to have angioplasty on my lower limbs. She gave me options and worked with PMG Hospital the most to give me a very workable quote and to facilitate getting the procedure done within my limited timeframe. I found BMG Hospital to be very Foreign Patient oriented. I met first with staff to learn about the abilities for the hospital to preform the surgery and Vee their liaison, made communicating with the nurses and especially the doctor much easier. I found the staff, nurses and their support, including the kitchen, who made wonderful food which had nothing to do with the "Hospital Food" preconception. My Doctor was very knowledgeable and experienced with the procedure and preformed it well. His team gave me the confidence to have the surgery and made it run well. All in all I would like to thank Bookimed, the PMG Hospital and especially the Doctor and nurses for their outstanding work and care and now believe do to their efforts my life will now be longer and pain free. Looking forward to returning for my 6 month check up! And may I say the follow up care by Vee and his team with hotel visits and transportation to and from the Hospital were over the top!
If I were to add anything it would be to have the rest of the staff learn a little more basic English, they tried very hard and I know they were giving it their best and in the long run we figured it all out!

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Qualifications

Specializations & Focus Areas

Internal Medicine

Gastroenterology & Hepatology

Gastric Microbiota & Helicobacter pylori Studies

Education & Training

Fellowship in Gastroenterology | Siriraj Hospital, Mahidol University (2023–2025)

Residency in Internal Medicine | Siriraj Hospital, Mahidol University (2020–2023)

Doctor of Medicine (M.D.) | Faculty of Medicine Siriraj Hospital, Mahidol University (2011–2017)

Honors: First Class Honors (GPA 3.90)

Professional Memberships

The Medical Council of Thailand

The Royal College of Physicians of Thailand (RCPT)

The Gastroenterological Association of Thailand (GAT)

The American Gastroenterological Association (AGA) Institute

Selected Publications & Research Presentations

Differences in gastric microbiota in patients who were infected between CagA positive and negative Helicobacter pylori

 

Abstract Presentation, Digestive Disease Week (DDW), Chicago, IL, USA (May 2026)

 

Gene-guided N-acetylcysteine for prophylaxis of anti-tuberculous drug-induced hepatitis: A randomized controlled trial

 

Abstract Presentation, Digestive Disease Week (DDW), Chicago, IL, USA (May 2026)

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