Gastroenterology Associates of New Jersey Comprehensive ...
Gastroenterology • Union City, NJ • Since 2009 • Multiple locations nationwide in New Jersey locations
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
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Opening Hours
Not published — contact the clinic to confirm hours.
Website
Services Offered
Technology & Equipment
Team
Insurance & Payment
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Credit/debit cards, Cash, Insurance billing
Languages Spoken
Social Media
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 ReviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Expanding Our Focus: Launching our NEW "Comprehensive IBD Care Center at GANJ" - Gastroenterology Associates of New Jersey — May 19, 2026
- Iterative Health, Gastroenterology Associates of New Jersey partner to increase patient access to innovative GI research | ROI-NJ — Jul 9, 2026
- Dr. Meron Debesai, MD - Gastroenterologist in Union City, NJ — Jun 11, 2026
- Iterative Health and Gastroenterology Associates of New Jersey Partner to Expand Patient Access to Advanced GI Research — Jul 8, 2026
- Research Confirms Colon Cancer Being Found at Younger Ages - Gastroenterology Associates of New Jersey — Aug 6, 2025
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Union City
Advanced Gastroenterology in Union City, TN offers gastroenterology services including colonoscopy, EGD, hemorrhoid treatment, capsule endoscopy, anal manometry, and care for diarrhea and constipation. Located at 1109 E Reelfoot Ave (Union City, TN), they provide patient portals and testimonials. They present as a small practice with a dedicated GI specialist and a focus on GI tract treatment and procedures. Contact: 731-884-0600. Services available at Summit Endoscopy Center with two Union City office entries.
Gastrointestinal Associates of Northeast Tennessee, P.C. (GIA) is a Johnson City, TN-based gastroenterology practice with two offices in Johnson City. Key details: - Services: Gastroenterology with multiple physicians and GI-related care. - Location: HQ and two offices at 310 N State of Franklin Rd, Johnson City, TN 37604. - Contact: Main phone numbers include (423) 929-7111 and (423) 929-9448. - Size & finances: About 6 employees; estimated annual revenue in the $5–$25 million range. - Online presence: Website giassociatesofnetn.com; modest web traffic (monthly visits ~7,265; bounce rate ~0.9%). - Rating: Employer rating 2.8/5 from 2 reviews (perceived work-life and culture positively by some). Note: The user query mentions “Johnson … Union City”—this page only documents the Northeast Tennessee locations in Johnson City, not Union City. If you need Union City-specific gastroenterology options, I can search for that separately.
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