We provide our patients with many important gastrointestinal diagnostic tests and procedures.

GI Procedures

  • Upper Endoscopy
  • Colonoscopy

GI Disorders

  • Abdominal Pain
  • Bacterial Overgrowth
  • Barrett's Esophagus
  • Celiac Disease
  • Cirrhosis
  • Colon Cancer
  • Colon Polyps
  • Constipation
  • Diarrhea
  • Difficulty Swallowing
  • Diverticulosis/Diverticulitis
  • Dysphagia
  • Fatty Liver
  • Food Intolerance
  • Gallstones
  • Gastritis
  • Gastroparesis
  • GERD
  • Heartburn
  • Helicobacter Pylori
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Nausea and/or vomiting
  • Pancreatitis
  • Peptic Ulcer
  • Stomach Ulcer
  • Ulcerative Colitis

Coming Soon

  • UBT Testing
  • Hydrogen Breath Testing for Bacterial Overgrowth

accepted insurances


Listed below are some of the major insurance companies we currently participate with. To verify whether or not we are participating with your insurance company, please call the number listed on your insurance card. We are working daily to add additional insurance companies, please check back or call our office. Thank you.

Unfortunately, we do NOT accept Medicaid Insurance.

  • BlueCross BlueShield of WNY    Blue Cross Out of Area    Community Blue 
    Independent Health    Magnacare     Medicare     Univera
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© 2016 Mark St. Marie

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