Conditions Treated by Dr. David K. Johnston, MD

• Anemia
• Biliary Atresia
• Cholecystitis and Gallstones
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Diverticulitis, Intestinal
• Diverticulosis, Intestinal
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophageal Varices
• Gastroesophageal Reflux Disease (GERD)
• Gastroparesis
• Hemorrhoids
• Hepatitis B - Immune Response
• Intestinal Obstruction
• Ulcerative Colitis