John Erkkinen MD

Internal Medicine, Gastroenterology
  • Clinic, 161 Marginal Way, Portland, ME 04101, (207) 773-7964

Conditions Treated

  • Abnormal Weight Loss
  • Anal Bleeding
  • Blood In Stool
  • Acid Reflux/GERD
  • Bloating/Gas
  • Colon Cancer Risk

Specialized Treatments

  • Anal Pressure Measurement
  • Diagnostic Colonoscopy (With Biopsy)
  • Hydrogen Breath Test
  • Crohn's Disease Treatment (e.g. Anti-Inflammatory Medications, Immune System Suppressors, Biologics)
  • Esophagus Movement/Function Study
  • Rectal Sensation Test
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