Phone: 646-679-6433 About US: At Best Gastroenterology Doctors in New York City, our practice is designed to provide specialized care for patients using both sophisticated equipment and advanced medical procedures to diagnose and treat more complicated digestive disorders. Our NYC gastroenterology practice is committed to providing comprehensive care to meet all of your digestive health needs. Gastroenterology is a specialty involved in preventing, diagnosing, and treating diseases of the luminal GI tract (esophagus, stomach, small intestine, colon and rectum) liver, gallbladder and pancreas.