Dr. Keschner is board certified in Internal Medicine and Gastroenterology. His special interests include gastroesophageal reflux disease, inflammatory bowel disease and functional gastrointestinal disorders including irritable bowel syndrome. He performs esophageal manometry as well as Ambulatory pH monitoring of the esophagus.

Medical Degree

State University of New York – Downstate Medical Center Brooklyn, New York

Residency

Internal Medicine: Jacobi Medical Center /Albert Einstein College of Medicine, Bronx, New York

Fellowship

Gastroenterology: Temple University Hospital, Philadelphia, Pennsylvania

Professional Affiliations

American College of Gastroenterology
American Gastroenterological Association
American Society of Gastrointestinal Endoscopy

Hospital Affiliations

John T. Mather Memorial Hospital, Port Jefferson, New York
St. Charles Hospital, Port Jefferson, New York