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Gastroenterologists
Rini Abraham, MD, PharmD

Aakash Aggarwal, MD

Oren E. Bernheim, MD

Benjamin L. Biederman, MD

Robert Bleicher, MD

Andrew S. Boxer, MD

Peter Caride, MD

Neetu H. Chahil, MD

Bonnie Cheng, MD

Natasha Chhabra, MD

Aditi Chhada, MD

Elliot S. Coburn, MD

Steven David, MD

Zahava Farkas, DO

David M. Felig, MD

Jon David Green, MD

Steven D. Gronowitz, MD

Fahad M. Khan, MD

Natan Krohn, MD

Donald H. Kutner, DO

Matthew A. Kutner, DO

Steven Leibowitz, MD

Richard Lin, MD

Rangas Lokchander, MD

Michael M. Mainero, MD

Neil Nagaria, MD

George Nikias, MD

Joo Hye ‘Grace’ Park, MD

George N. Pavlou, MD

Haleh Pazwash, MD, FACG

Alexander Perelman, DO, MS

David M. Pinn, MD

Giulio Quarta, MD

Ori A. Rackovsky, MD

Ravi Ramamoorthy MD

Parthiv V. Raval, MD

Eric Rosendorf, MD

Joseph M. Roth, MD

Frank Ruiz, MD

Joseph G. Shami, MD

Tarun K. Sharma, MD

Smrita Sinha, MD

John Sotiriadis, MD

Jonathon Stillman, MD

Jose Ramon Suatengco, MD

Mark Tanchel, MD

Ariy Volfson, MD

Joseph A. Zangara, MD

Kenneth G. Zierer, MD
Our Team
Conditions & Procedures
- Chronic & Acute Gastro Conditions
- Gastroenterology Procedures
Contact Us

About
Forms
Locations
Gastroenterologists
Gastroenterologists
Rini Abraham, MD, PharmD

Aakash Aggarwal, MD

Oren E. Bernheim, MD

Benjamin L. Biederman, MD

Robert Bleicher, MD

Andrew S. Boxer, MD

Peter Caride, MD

Neetu H. Chahil, MD

Bonnie Cheng, MD

Natasha Chhabra, MD

Aditi Chhada, MD

Elliot S. Coburn, MD

Steven David, MD

Zahava Farkas, DO

David M. Felig, MD

Jon David Green, MD

Steven D. Gronowitz, MD

Fahad M. Khan, MD

Natan Krohn, MD

Donald H. Kutner, DO

Matthew A. Kutner, DO

Steven Leibowitz, MD

Richard Lin, MD

Rangas Lokchander, MD

Michael M. Mainero, MD

Neil Nagaria, MD

George Nikias, MD

Joo Hye ‘Grace’ Park, MD

George N. Pavlou, MD

Haleh Pazwash, MD, FACG

Alexander Perelman, DO, MS

David M. Pinn, MD

Giulio Quarta, MD

Ori A. Rackovsky, MD

Ravi Ramamoorthy MD

Parthiv V. Raval, MD

Eric Rosendorf, MD

Joseph M. Roth, MD

Frank Ruiz, MD

Joseph G. Shami, MD

Tarun K. Sharma, MD

Smrita Sinha, MD

John Sotiriadis, MD

Jonathon Stillman, MD

Jose Ramon Suatengco, MD

Mark Tanchel, MD

Ariy Volfson, MD

Joseph A. Zangara, MD

Kenneth G. Zierer, MD
Our Team
Conditions & Procedures
- Chronic & Acute Gastro Conditions
- Gastroenterology Procedures
Contact Us

Request An Appointment

Gastroenterology Associates of New Jersey

Patient Portal
About
Forms
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Gastroenterologists
Our Team
Conditions & Procedures
- Chronic & Acute Gastro Conditions
- Gastroenterology Procedures
Locations
Contact Us

News & Information

Heartburn & GERD

If you need emergency care , call 911

Request an appointment 888-452-0022

Gastroenterology, Heartburn & GERD

Expanding Our Focus: Launching our NEW “Comprehensive IBD Care Center at GANJ”

The Comprehensive IBD Care Center emphasizes ongoing monitoring and personalized treatment plans designed to keep patients ahead of disease progression.

Gastroenterology, Heartburn & GERD

Acid Reflux at Night: Why It Happens and How to Reduce It

Waking up with heartburn or reflux symptoms can disrupt sleep and signal an underlying digestive issue. Learn why nighttime acid reflux happens and how to reduce symptoms with expert guidance from GANJ.

Gastroenterology, Heartburn & GERD

When Heartburn Isn’t Just Heartburn: GERD Risks During the Holiday Season

Holiday meals and stress can make heartburn worse—but sometimes it’s more than just reflux. Learn how to spot GERD symptoms and when to see a GI specialist.

Gastroenterology, Heartburn & GERD

Traveling With Digestive Issues: Tips for Holiday Trips with GERD, IBS, or IBD

Holiday travel + gut issues? We’ve got solutions. See our expert guide for staying comfortable and flare-free.

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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.

Contact Us!

Call: 888.452.0022

GANJ has locations throughout six counties in New Jersey. Our multidisciplinary practice offers coordinated and comprehensive services with an emphasis on personalized care for adult patients of all ages and activity levels.

Additionally, our practice is affiliated with five ambulatory surgery centers, where our advanced procedures are performed in a warm, comfortable environment on an outpatient basis.

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GANJ is an LGBTQ friendly group practice.

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Gastroenterologists

Gastroenterologists

News & Information

Heartburn & GERD

If you need emergency care , call 911

Expanding Our Focus: Launching our NEW “Comprehensive IBD Care Center at GANJ”

Acid Reflux at Night: Why It Happens and How to Reduce It

When Heartburn Isn’t Just Heartburn: GERD Risks During the Holiday Season

Traveling With Digestive Issues: Tips for Holiday Trips with GERD, IBS, or IBD

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Contact Us!

Call: 888.452.0022

If you are having a Health Emergency, Call 911

Important Health Information