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Welcome to Advanced Gastroenterology Group

Compassionate Care When You Need It the Most

Premier Gastroenterology Group in Central NJ

Get to Know Us

Advanced Gastroenterology Group has been one of the premier gastroenterology groups in NJ for over 20 years offering high quality, individualized care to our patients, in combination with compassion and convenience. Our physicians are ABIM board certified and experts in diagnosing, treating and preventing disease of the gastrointestinal tract, liver, gallbladder and pancreas with multiple awards from NJ Top Docs, Vitals On Time Doctor Awards, and Vitals Patients' Choice Awards. We have multiple, convenient locations throughout Union, Essex, and Somerset Counties to make it as easy as possible to visit us when you need to.  

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From diagnosis to treatment, we focus on customized, patient-centered, compassionate care utilizing state-of-the-art medical technology and cutting-edge procedures to ensure optimal outcomes for all of our patients. We offer cutting edge treatment of fatty liver disease through an intensive patient focused program emphasizing the union of nutrition, exercise, and medication management. In addition, our group is working in collaboration with Sylvan Health for telemedicine nutrition services to help guide patients for weight loss and management of other chronic diseases. 

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Our endoscopic procedures are performed at our state of the art, brand new endoscopy center at Garden State Endoscopy where our caring team of nurses and anesthesiologists make the experience as seamless and comfortable as possible. We are also affiliated with Trinitas Regional Medical Center for more complicated care and procedures if necessary

About Us

Gastrointestinal Services

At Advanced Gastroenterology Group, we offer a wide range of testing options to better serve you and your needs

Upper Endoscopy

Colonoscopy

Video Capsule Endoscopy

Fatty Liver Disease Program

Nutrition Services

Endoscopic Ultrasound

Endoscopic Retrograde Cholangiopancreatography (ERCP)

Esophageal Manometry and pH Testing

Helicobacter pylori Breath Testing

Small Intestinal Bacterial Overgrowth Breath Testing

Fibroscan

In Office Infusions

Contact

Union Office:

908-851-2770

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Millburn Office

(Dr Rosen):

973-467-2500

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Linden Office

(Dr. Greenblatt):

908-486-8080

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Springfield, West Orange, Green Brook (Medemerge), Linden (Medemerge), and Bernardsville:

908-851-2770

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Office Hours

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09:00 AM - 05:00 PM

09:00 AM - 05:00 PM

09:00 AM - 05:00 PM

09:00 AM - 05:00 PM

09:00 AM - 05:00 PM

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