About Our Center

The Most Advanced Endoscopy Services Available
Great South Bay Endoscopy was founded by a team of experienced, board certified gastroenterologists to provide advanced endoscopy procedures.

The Region’s Most Experienced Gastroenterologists
Learn about our exceptional doctors and staff—Suffolk County’s most distinguished and experienced gastroenterologists and specialists.

Frequently Asked Questions about Endoscopy
Answers to your questions regarding our advanced endoscopy procedures revolutionizing the diagnosis and treatment of GI disorders.

For New Patients—Our Center is Ready to Serve You!
All of the information that you need to provide us with, as well as information on what to expect during your visit, can be found on this page.


Gastroenterologist East Patchogue, NY - Great South Bay Endoscopy

Welcome to Our New, Advanced Endoscopy Center in Suffolk County

Welcome to Great South Bay Endoscopy, located in East Patchogue, New York, a new, state-of-the-art facility dedicated to bringing advanced endoscopy procedures to the people of Suffolk County. Established by a group of prominent gastroenterologists, we are committed to providing the highest quality specialty care in the fields of gastroenterology, hepatology, and gastrointestinal endoscopy. Our mission is to create a warm, professional environment that fosters compassion, staffed by a team of specialists totally focused on the care, safety, and individual needs of our patients. Our commitment is reflected in the advanced equipment and techniques we utilize, such as the CO2 insufflation procedures during our endoscopy exams, which increases patient comfort and promotes faster post-procedure recovery.

Offering A Complete Range of Endoscopy Procedures

We offer a complete range of advanced diagnostic services including Upper Endoscopy for conditions such as heartburn and hiatal hernia, and for the evaluation of gastroesophageal acid reflux (GERD) evaluation. Our endoscopy procedures enable us to diagnose and treat Barrett’s esophagus, Celiac disease and peptic ulcer disease, evaluate gastrointestinal (GI) bleeding and anemia, diagnose tumors of the upper intestines, and even dilate structures in the GI tract. We also perform colonoscopy and flexible sigmoidoscopy procedures to screen for colon cancer and diagnose lower GI tract problems. Our doctors also perform polyp removal and surveillance, and diagnose and manage Inflammatory Bowel Diseases, including Crohn’s disease and Ulcerative Colitis. Additionally, we provide evaluations of tumors of the lower intestine, and diagnose diverticulosis and hemorrhoids. We invite you to view our site to learn more about our endoscopy center and how we can help you manage you GI health!

Video Link of Will Smith's Colonoscopy to Improve Screening for Colon Cancer https://youtu.be/eWwKQjUyoUc

Our Location

260 Patchogue Yaphank Rd Suite C
East Patchogue, NY 11772
(631) 307-9181

Map & directions

Office Hours
Monday: 7:00 AM - 5:00 PM
Tuesday: 7:00 AM - 5:00 PM
Wednesday: 7:00 AM - 5:00 PM
Thursday: 7:00 AM - 5:00 PM
Friday: 7:00 AM - 5:00 PM
Saturday: Closed
Sunday: Closed

Great South Bay Endoscopy is excited to offer CO2 insufflation during our procedures (methods to expand the intestine) to increase patient comfort during the procedure as well as for a faster recovery.

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