Thomas, Gary A., MD, FACGGastroenterology

Gary A. Thomas, MD
: Fayetteville Diagnostic Clinic: (479) 582-7230

    Dr. Thomas, with Fayetteville Diagnostic Clinic, has provided gastroenterological and endoscopic care to patients in Northwest Arkansas since 1999.

    Gary is a native of El Dorado and practiced medicine for seven years in Jonesboro before relocating to Northwest Arkansas. He and his wife have one daughter. Gary is an outdoor enthusiast who enjoys kayaking in Northwest Arkansas’ abundant rivers and streams, caving, rock climbing, and fly fishing.


    • Fellow of the American College of Gastroenterology
    • Board Certified in Gastroenterology by the American Board of Internal Medicine


    • Gastroenterology Fellowship

      University of Arkansas and Veterans Hospital, Little Rock

    • Internal Medicine Residency

      University of Arkansas for Medical Sciences, Little Rock

    • Doctorate in Medicine

      University of Arkansas for Medical Sciences, Little Rock

    • Bachelor Of Science in Zoology

      Louisiana Tech University, Ruston


    • Heartburn and gastroesophageal reflux disease (GERD)
    • Acute and chronic pancreatitis
    • Cirrhosis
    • Celiac disease and food intolerances
    • Chronic vomiting and gastroparesis
    • Colorectal cancer, including determining whether you have a genetic risk
    • Colon Cancer Screening / Colonoscopy
    • Diverticulitis, diverticulosis and ischemic bowel disease
    • Functional illness, such as constipation, diarrhea, vomiting, belching and flatulence
    • Gallbladder disease
    • Infections of the gastrointestinal tract caused by viruses, bacteria, fungi and protozoa
    • Inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis
    • Irritable bowel syndrome (IBS)
    • Nutritional deficiencies
    • Nonalcoholic fatty liver disease
    • Peptic ulcer disease and Helicobacter pylori
    • Viral hepatitis