Welcome to Hackensack Gastroenterology Associates

doctors of hackensack gastroenterology assoicates. Drs. Anish Mammen, Eric Rosendorf, Steven Leibowitz, Hackensack Gastroenterology Associates founder Arnold Leibowitz, Aditi Chhada, Richard Lin, George Nikias
Enjoying a long trusted reputation, Hackensack Gastroenterology Associates has been a leader specializing in the treatment of gastrointestinal and liver disease since 1964. Our practice offers experience, professionalism and attentive care. We take pride in our fine staff and facilities, which provide state-of-the-art medical care using the latest technology to administer a broad range of diagnostic tests and procedures.

Our board certified physicians of Gastroenterology are committed to the highest level of patient care, providing an individualized approach in addressing each patient’s medical needs. We value lasting relationships and ensure that our friendly staff will help facilitate a pleasant experience.

At Hackensack Gastroenterology Associates, it is our goal to help our patients feel better and have a comprehensive understanding of their illnesses and treatment, ultimately promoting quality of life through health awareness.

Call us at 201-489-7772 if you have any questions or would like to schedule an appointment.


Colon cancer screening can detect polyps and early cancers. These screenings can find abnormalities that can be treated BEFORE cancer develops or spreads.


In the event of inclement weather, please call the office at 201-489-7772
as soon as possible if you need to reschedule your appointment and to check for closings.
Thank you and be safe.