John Erkkinen, MD

Internal Medicine, Gastroenterology

161 Marginal Way, Portland, ME 041012438

(207) 773-7964

Conditions Treated

  • Nausea & Vomiting
  • Constipation
  • Colon Cancer Risk
  • Esophagus Blockage
  • Difficulty Swallowing
  • Ulcerative Colitis

Specialized Treatments

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