Dr. Kramer graduated summa cum laude from Cornell University and went on to receive his medical degree from Weill Cornell Medical College in New York City. He completed his internal medicine residency at New York-Presbyterian Hospital/Weill Cornell Medical Center and then went to New York University Langone Medical Center for his gastroenterology fellowship. Dr. Kramer practices general gastroenterology and hepatology including the performance of colonoscopy and upper endoscopy.

He specializes in esophageal disorders including gastroesophageal reflux disease (GERD) and esophageal motility disorders such as achalasia. He also performs esophageal pH monitoring and esophageal manometry to aid in the diagnosis and management of esophageal disorders.