Conditions Treated by Dr. Michael G. Johnston, MD

• Appendicitis
• Cholecystitis and Gallstones
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Hyperparathyroidism
• Incisional Hernia
• Intestinal Abscess
• Intestinal Obstruction
• Liver Cancer
• Lung Cancer
• Parathyroid (Gland) Disease
• Parathyroid (Gland) Tumor: Other than Malignant
• Peripheral Arterial Embolism and Thrombosis
• Secondary Malignancies
• Thyroid Cancer
• Umbilical Hernia