GI Procedures

Antonino Mannone, MD performs Colonoscopies, Sigmoidoscopy and Upper Endoscopies

GI Disorders

From IBS to Cirrhosis of the Liver or Constipation. Main Gastroenterology is there to help.


He has been practicing Gastroenterology and Endoscopy in Williamsville since 1984

Office Location

We are located conveniently in Williamsville, between Lancaster, NY and Clarence NY.

Welcome to Main Gastroenterology P.C. in Buffalo, NY

We are your resource for gastroenterology health information. Learn more about the procedures of gastroenterology and clinical information on digestive and liver disorders.

Main Gastroenterology provides knowledgeable and expert care of gastrointestinal disorders. We strive to provide safe and effective therapy as well as leading edge diagnostic procedures. We work together to provide an environment that is safe, comfortable and sensitive to the needs of the individual patient.