GANJ – West Orange Location in West Orange
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Office in West Orange
  • Areas of Practice:
  • Gastroenterology

GANJ – West Orange Location

About Us

Gastroenterology Associates of New Jersey (GANJ) is an integrated group practice comprised of a team of highly skilled gastroenterologists. As part of our dedication to complete care, our board certified physicians and professional staff will effectively evaluate, diagnose and treat acute and chronic gastrointestinal conditions and diseases.

With locations throughout northern & central New Jersey, our multidisciplinary practice offers coordinated and comprehensive services with an emphasis on personalized care for patients of all ages and activity levels. In addition, our practice is affiliated with five ambulatory surgery centers where our advanced procedures are performed in a warm, comfortable environment on an outpatient basis.

Speaking about issues relating to one’s gut health isn’t easy. The physicians here at GANJ help put their patients at ease so that they create a treatment plan for whatever the situation.

For more information on our premier physicians, locations or services, contact us today.

Our Doctor

Jon David Green, MD

Dr. Jon David Green is a board-certified gastroenterologist and internist who provides care to patients in West Orange. He completed his medical education and advanced training in digestive diseases at New Jersey Medical School.

With years of clinical experience, Dr. Green has also served as an Assistant Clinical Professor of Medicine and held leadership roles, including President of the New Jersey Gastrointestinal Endoscopy Society and St. Barnabas Metrowest IPA.

Education & Training
  • New Jersey Medical School
Honors and Awards
  • NJ Top Doctor
Professional Memberships
  • President, New Jersey Gastrointestinal Endoscopy Society, 1995-96
  • President, St. Barnabas Metrowest IPA, 2000-2004
Our Services

Serving multiple counties in northern and central New Jersey, Gastroenterology Associates of New Jersey (GANJ) utilizes the latest techniques of the industry to effectively diagnose and/or treat an array of acute and chronic gastrointestinal conditions. With a team approach and an extensive network of experienced physicians, GANJ is able to provide complete care for disorders of the digestive system for patients of all ages. All procedures are performed in the comfort of the office or in one of our advanced ambulatory surgery centers.

Procedures we perform include:

For more information on the procedures we perform or to schedule an appointment, contact us today.


At Gastroenterology Associates of New Jersey, our specialized team of physicians and staff has years of combined experience providing care for acute and chronic gastrointestinal conditions. With an advanced network and a team approach, we provide an efficient diagnosis, customized treatment and preventive care plan for the individual needs of you and your family.

Conditions we treat include:

For more information on the conditions we treat or to schedule an appointment with one of our specialists, contact us today.

Our Office
Phone: (862) 703-7449
Monday: 9:00 AM - 5:00 PM
Tuesday: 9:00 AM - 5:00 PM
Wednesday: 9:00 AM - 5:00 PM
Thursday: 9:00 AM - 5:00 PM
Friday: 9:00 AM - 5:00 PM
Saturday: Closed
Sunday: Closed