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
• Stony Brook University Hospital
  Stony Brook, New York

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