Gregory S. Lesser, MD, a Gastroenterologist with NJ Gastroenterology & Ironbound Endo-Surgical Center

Get to know Gastroenterologist Dr. Gregory S. Lesser, who serves patients in New Jersey.

A highly trained gastroenterologist, Dr. Lesser performs colonoscopy and endoscopy procedures and provides accurate and thorough care for patients suffering from digestive issues. He is committed to his patients, helping each individual understand his or her condition and available treatment options, while setting them on a pathway to improved health.  

At present, he is in practice with the Ironbound Endo-Surgical Center, seeing patients at the group’s office in the Ironbound section of Newark, New Jersey.  He also sees patients in Irvington, West New York, Bayonne, and Hoboken, New Jersey. He and his colleagues pride themselves on their patient-centered, cost effective approach to digestive health.

Ironbound Endo Surgical Center (IESC) in Newark, NJ has been designed with patients in mind. They offer accessible, high-quality same day outpatient surgical services. They are dedicated to providing you with the excellent healthcare that you expect. They strive to provide you and your family a safe, comfortable experience.  Prior to your procedure expect a call from our staff to answer any questions you may have and provide you additional information.  Their goal is to alleviate any anxiety you may have and make your stay with as convenient as possible. IESC is licensed and certified by the Centers for Medicare & Medicaid Services (CMS), & accredited by The Accreditation Association for Ambulatory Health Care (AAAHC).

A current resident of Monmouth County, Dr. Lesser was born in New Jersey and has spent the majority of his life in the Garden State. He earned his Bachelor of Science in Engineering degree & his Master of Science in Public Health degree from Tulane University in 1993 and 1995, respectively. 

In 1999, he graduated with his medical degree from the American University of the Caribbean School of Medicine. He then went on to perform his residency in internal medicine and his fellowship in gastroenterology at Cooper University Hospital in Camden, New Jersey in 2002 and 2005, respectively.

For two decades, Dr. Lesser has taken impeccable care of a myriad GI patients throughout the area. He can be found on staff at Saint Michael’s Medical Center in Newark, New Jersey.

Dr. Lesser is board-certified in gastroenterology by the American Board of Internal Medicine, a physician-led, non-profit, independent evaluation organization driven by doctors who want to achieve higher standards for better care in a rapidly changing world. 

Holding fellowship status, he is a Fellow of the American College of Gastroenterology & a Fellow of the American Gastroenterological Association.

Gastroenterology is the branch of medicine focused on the digestive system and its disorders. A gastroenterologist is a physician who has extensive training in the diagnosis and treatment of disorders related to the esophagus, stomach, small intestines, colon, liver, pancreas, and biliary system.

An accomplished research writer, Dr. Lesser has co-authored several publications on sedation and colonoscopy, in addition to other gastroenterology pertinent topics. 

On a more personal note, he speaks both English and Spanish.

Learn More about Dr. Gregory S. Lesser:
Through his findatopdoc profile, or through Ironbound Endo-Surgical Center,, or through NJ Gastroenterology, 

FindaTopDoc is a digital health information company that helps connect patients with local physicians and specialists who accept your insurance. Our goal is to help guide you on your journey towards optimal health by providing you with the know how to make informed decisions for you and your family.

Karen Johnson

Karen Johnson is an Associate Content manager for FindaTopDoc and responsible for working with distinguished physicians in documenting their significant accomplishments in their field. Karen is a CPR instructor and is a member of her local theater group.