North Jersey Gastroenterology in Wayne
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Office in Wayne
  • Areas of Practice:
  • Gastroenterology

North Jersey Gastroenterology

About Us

The gastroenterology professionals at North Jersey Gastroenterology are pleased to welcome you to their practice. They are now proud members of the GANJ Gastroenterology Network of care providers. Gastroenterology Associates of New Jersey (GANJ) is an integrated group practice comprised of a team of highly skilled gastroenterologists.

As part of their dedication to complete care, their board certified physicians and professional staff will effectively evaluate, diagnose and treat acute and chronic gastrointestinal conditions and diseases.

Our Doctor

Dr. Jonathon Stillman

Dr. Stillman is a member of North Jersey Gastroenterology and is a part of the Gastroenterology Associates of New Jersey.

Education & Training
  • College: University of Michigan, Ann Arbor, MI
  • Medical school: University of Pennsylvania, Philadelphia, PA
  • Residency: Cornell Medical Center, New York, NY
  • Fellowship: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications
  • Gastroenterology
  • Honors and Awards
  • Awarded Castle Connolly Top Doctors 2021
  • Our Services

    North Jersey Gastro offers a full array of gastroenterology services to help you maintain a healthy digestive system. Please follow the links to the right for more information about these tests and procedures.

  • Colonoscopy
  • Upper Endoscopy
  • Endoscopic Ultrasound
  • Endoscopic Retrograde Cholangiopancreatography
  • Wireless Capsule Endoscopy
  • 24 Esophageal pH testing
  • Esophageal manometry testing
  • Infusion Center
  • Our Office
    Phone: (978) 633-1484
    Fax: (973) 633-7890
    Monday: 7:15 AM - 4:00 PM
    Tuesday: 7:15 AM - 4:00 PM
    Wednesday: 7:15 AM - 4:00 PM
    Thursday: 7:15 AM - 4:00 PM
    Friday: 7:15 AM - 4:00 PM
    Saturday: Closed
    Sunday: Closed
    Additional Contact Information

    Phone Calls
    If you have a straightforward question or concern, one of our skilled staff members can be of assistance. If after talking to our staff you still need to talk to the doctor, let us know. Please be sure to tell us if your call is urgent. If you have a medical emergency please call 911 and go to the nearest hospital emergency room. Our doctors try to return calls as soon as possible. Please understand that due to the nature of a medical practice, routine calls are often answered after several hours or even the next day.

    Every effort will be made to schedule your appointment at a convenient time. if you cannot keep a scheduled appointment please notify the office at least 24 hours in advance. Our office will try to keep you informed as to any delays in the schedule. If, for any reason you cannot keep a scheduled appointment or will be delayed, please call us as soon as possible.

    Authorization for refills will only be given during routine office hours. In certain circumstances your doctor may require an office visit prior to prescribing a medication or refill.

    Our practice is covered by a gastroenterologist 24 hours a day, 7 days a week. Should you have an emergency please call our telephone number and our answering service will call the doctor immediately. Should the emergency be life threatening you should call 911 immediately and go to the nearest emergency room. Our practice works exclusively out of Chilton Memorial Hospital.