Dr. Brennan and CMA Gastroenterology treat an array of disorders relating to the digestive system. The following disorders are among the most common problems we diagnose and treat.

  • Barrett’s esophagus
  • Celiac disease
  • Chronic constipation
  • Crohn’s disease
  • Dysphagia
  • Fatty liver disease
  • GERD (gastroesophageal reflux disease)
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcers

Contact Us:

2 Ascot Place
Ithaca, NY
(607) 339-0788
M-F 8:30 am-4:30 pm

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Brennan, Peter MD
Gastroenterologist