About Us

LI GI Research is a privately owned clinical research site, in Great Neck, Long Island, close to New York City and its suburbs. Since our establishment in 1995, we have conducted over 150 national trials for many major national and international pharmaceutical companies.


Our staff is warm, friendly, caring and professional. Our facilities consist of offices, comfortable waiting areas, a laboratory, exam rooms and an endoscopy unit, where gastroscopies and colonoscopies are performed.


Over the years, we have conducted trials for many conditions in gastroenterology, diabetes mellitus, cardiology, obesity, pain management and other medical conditions.

LIGI Research is located near major roadways, train stations and airports. We draw patients from Long Island, New York City, New Jersey and Connecticut for our studies.

Our commitment has always been to conduct clinical trials in an ethical, confidential and efficient manner, consistent with “ good clinical practice” guidelines, and with adherence to Food and Drug Administration (FDA) regulations. These are intended to assure the safety of study participants and the integrity of study data in all clinical trials.


LI GI Research has been a high enroller in most studies. We have frequently been complimented by sponsors, monitors, and clinical research organizations for our performance and the high-quality of the data collected.