Patient Portal

Surachai Amornsawadwattana, MD

Instructor, Medicine
Division of Gastroenterology

Specialty Areas


Board Certifications

Internal Medicine

Hospital Affiliations

Barnes-Jewish Hospital



Areas of Clinical Interest

General gastroenterology, gastrointestinal bleeding, functional gastrointestinal disorders, colon cancer screening

  • Location(s)
  • Education
  • Publication & Research



Center for Advanced Medicine
Gastrointestinal Center

4921 Parkview Place
St. Louis, MO 63110

Suite: C
Floor: 8
Office Phone: 314-273-0401
Fax: 314-362-2357



Fellowship: Gastroenterology: Washington University School of Medicine in St. Louis, St. Louis, MO 2019
Residency: Internal Medicine: Barnes-Jewish Hospital, St. Louis, MO 2015
Fellowship: Gastroenterology: Chulalongkorn University, Bangkok, Thailand 2010
Residency: Internal Medicine: Chulalongkorn University, Bangkok, Thailand 2008
Master of Science: Chulalongkorn University, Bangkok, Thailand 2010
Medical Degree: Mahidol University (Siriraj Hospital), Bangkok, Thailand 2002

Publication & Research

Publication & Research

Hepatitis C care cascade in HIV patients at an urban clinic in the early direct-acting antiviral era.
Ma J, Non L, Amornsawadwattana S, Olsen MA, Garavaglia Wilson A, Presti RM
Int J STD AIDS. 2019 Aug; 30(9)834-842. doi: 10.1177/0956462419832750.

    [PubMed - in process]
Related citations

Video capsule endoscopy in left ventricular assist device recipients with obscure gastrointestinal bleeding.
Amornsawadwattana S, Nassif M, Raymer D, LaRue S, Chen CH
World J Gastroenterol. 2016 May 14; 22(18)4559-66. doi: 10.3748/wjg.v22.i18.4559.

    [PubMed - indexed for MEDLINE]
Related citations

Pilot studies to identify the optimum duration of concomitant Helicobacter pylori eradication therapy in Thailand.
Kongchayanun C, Vilaichone RK, Pornthisarn B, Amornsawadwattana S, Mahachai V
Helicobacter. 2012 Aug; 17(4)282-5. doi: 10.1111/j.1523-5378.2012.00953.x.

    [PubMed - indexed for MEDLINE]
Related citations

Stent-in-stent through a side hole to prevent biliary metallicstent migration.
Ridtitid W, Rerknimitr R, Amornsawadwattana S, Ponauthai Y, Kullavanijaya P
World J Gastrointest Endosc. 2011 Mar 16; 3(3)64-6. doi: 10.4253/wjge.v3.i3.64.

Related citations

Comparison of HBV ribonuclease H domain in naïve and drug resistant patients.
Amornsawadwattana S, Sa-Nguanmoo P, Vichaiwattana P, Thawornsuk N, Komolmit P, Poovorawan Y
Southeast Asian J Trop Med Public Health. 2010 Nov; 41(6)1381-6.

    [PubMed - indexed for MEDLINE]
Related citations

Areas of Research Interest

General gastroenterology, gastrointestinal bleeding, colon cancer screening, quality improvement