Digestive Disease (GI) Clinic


The Digestive Disease (GI) Clinic at Mission Hospital provides comprehensive approach to the diagnosis and treatment of diseases pertaining to the gastrointestinal system. The team of competent doctors and specialists work closely with the surgeons to ensure that all alternatives are available to patients with state-of-the-art equipment. You can be assured of accurate and rapid diagnosis and treatment. We place emphasis on your safety.


Our Services: 

Gastrointestinal system functions to digest and absorb food and nutrients for our bodies as well as to get rid of waste products. Our eating habits and choice of food may be the cause of several ailments. 

  • Biliary diseases
  • Colonoscopy
  • Biliary drainage, fine needle aspiration & biopsy under
    • X-ray
    • Ultrasonography
    • Spiral CT Scan
  • Diagnosis and treatment of gastrointestinal disease
  • Diagnosis and treatment of cancer of the digestive system
  • Esophagogastroduodenoscopy
  • ERCP
  • Endoscopy
  • GI Infections
  • Gastroscopy
  • Hepatic (Liver) diseases and liver transplant operations
  • Motility functions:
    • Upper gastrointestinal tract
    • Lower gastrointestinal tract


  • Pancreatic diseases
  • Pediatric gastroenterology
  • Proctoscopy
  • Sigmoidoscopy
  • Upper GI x-ray
  • Barium enema x-ray
  • Biopsy of suspect lesions
  • Stool examinations for parasites, occult blood test
  • Blood tests: Liver function tests, cancer screening
  • Disease of the oral cavity
  • Disease of the esophagus and stomach: cancers of the esophagus and stomach, reflux disease, appendicitis
  • Malabsorption syndromes, which lead to malnutrition
  • Obstruction of the GI tract, intussuception
  • Ulcers in the stomach and intestines
  • Disease of the liver and biliary tract: gallstones, liver cancer, liver cirrhosis, hepatitis
  • Disease of the intestines, rectum, and anus: colon cancer, hemorrhoids



  • Outpatient Consultation Unit
  • Complete Imaging Services:
    • X-Ray
    • Ultrasound
    • CT Scan
    • Upper GI and Barium Enema
  • Gastrointestinal laboratory
  • Endoscopy
  • Barium enema X-Ray 

Our Specialists:

Dr. Tessanee Sriprayoon

Dr. Siam Sirinthornpunya

More Specialists

Appointment / Inquiries:

Tel: (+662) 282-1100
Fax: (+662)280-0441
Email:   This email address is being protected from spambots. You need JavaScript enabled to view it.
Website: www.mission-hospital.org