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About

Gastroenterology Associates of New Jersey (GANJ) is a private multispecialty gastroenterology group founded in 2009, headquartered in Woodland Park, NJ. It operates as a 28-location, patient-centered practice across Bergen, Passaic, Morris, Hudson, Ocean, and Essex counties, with affiliated ambulatory surgery centers for outpatient procedures. The group offers comprehensive digestive health services with board-certified physicians and a multidisciplinary team, serving patients of all ages. Main contact: info@ganjllc.com, +1 973-471-8200. Notable note: Union City is not listed among their current office locations; primary offices are in Woodland Park and Clifton, NJ.

Clinic Type

Gastroenterology

Address

1130 McBride Ave, Woodland Park, New Jersey 07424, US

Phone

(201) 797-6238

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Gastroenterology
  • Endoscopy
  • Colonoscopy
  • Gastrointestinal Diagnostics
  • Gastrointestinal Procedures
  • Colorectal cancer screening
  • Chronic and acute GI care

Technology & Equipment

  • State-of-the-art gastroenterology technology
  • Endoscopy
  • Colonoscopy
  • Diagnostics

Team

  • Rini Abraham, MD — MD
  • Aakash Aggarwal, MD — MD
  • Oren E. Bernheim, MD — MD
  • Benjamin L. Biederman, MD — MD
  • Robert Bleicher, MD — MD
  • Andrew S. Boxer, MD — MD
  • Peter Caride, MD — MD
  • Neetu H. Chahil, MD — MD

Insurance & Payment

Credit/debit cards, Cash, Insurance billing

Languages Spoken

  • English

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Google: 4.7 out of 5 stars (based on 3,285 Google reviews) (3,285)
  • Birdeye: 3.5 out of 5 stars (16)
  • Healthgrades (Rutherford location): 5 out of 5 stars (2)
  • Healthgrades (Woodland Park location): 5 out of 5 stars (1)

Patients praise

  • Favorable experiences with individual doctors being knowledgeable and kind
  • Appreciation for quick, painless procedures and professional office environments in specific locations
  • Reports of friendly and supportive staff in certain departments, such as infusion therapy
  • High quality performance metrics (MIPS score) at the practice level

Common complaints

  • Concerns regarding office management, scheduling difficulties, and communication responsiveness
  • Reports of unprofessionalism and administrative errors
  • Frustrations with follow-up procedures and billing or insurance issues
  • Concerns about staff workload and office environment expressed by employees

"Dr.Quarta is a great doctor. He is very kind, educated and makes you feel comfortable. I am someone who is very scared at the thought of surgery or any procedures and Dr.Quarta helped ensure that everything was going to be okay."

Birdeye Review

"Dealing with GANJ has been a terrible experience. They made a mistake on a prescription and I cannot get anyone to call me back (I've called numerous times and left a message, no communication...."

Yelp Review via MapQuest

"Staff are accomodating and helpful. My visit to the doctor is on time, no need to wait for a long time. Paperworks for the procedure were done accordingly, any issues with the insurance they handled well."

Healthgrades Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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