Gastroenterology

Colon cancer screening, upper and lower endoscopy and treatment of conditions such as inflammatory bowel disease, hepatitis C and esophageal reflux. Diagnostic procedures that may be done right in the office setting include esophageal function testing, Hydrogen Breath testing and Liver Biopsy. In addition to our facility at Long Creek our physicians perform endoscopy and ERCP at Mercy’s State Street Campus.

Contact:
25 Long Creek Drive
South Portland, ME 04106
Phone: 207.535.1100
FAX: 207.879.0095

Physicians:
Christopher Kleeman, MD

Joseph Yu, MD

Nurse Practitioners:
Jaime Hare, FNP-C

Sarah Boyne Marxhausen, FNP-C

Office Manager: 
Lisa Bishop 
Phone: 207.535.1132