GANJ – Fair Lawn Location in Fair Lawn
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Office in Fair Lawn
  • Areas of Practice:
  • Gastroenterology

GANJ – Fair Lawn Location

About Us

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.

With locations throughout northern & central New Jersey, our multidisciplinary practice offers coordinated and comprehensive services with an emphasis on personalized care for patients of all ages and activity levels. In addition, our practice is affiliated with five ambulatory surgery centers where our advanced procedures are performed in a warm, comfortable environment on an outpatient basis.

Speaking about issues relating to one’s gut health isn’t easy. The physicians here at GANJ help put their patients at ease so that they create a treatment plan for whatever the situation.

For more information on our premier physicians, locations or services, contact us today.

Our Doctors

Natasha Chhabra, MD

Dr. Natasha Chhabra is a gastroenterologist at Gastroenterology Associates of New Jersey. She has expertise in Anorectal disorders, Capsule endoscopy, Diagnostic and therapeutic upper and lower endoscopy, Colonoscopy, Dilation, Endoscopic band ligation, Fecal transplantation for Clostridium difficile, Ischemic bowel disease, Management of chronic liver disease and cirrhosis, Percutaneous endoscopic gastrostomy, Surveillance and ablation of Barrett’s esophagus, and Upper endoscopy.

Education & Training
  • Dr. Chhabra completed her fellowship in Gastroenterology and Hepatology at Montefiore Medical Center in Bronx, NY.
  • She received her medical degree and completed a residency in Internal Medicine at New York University School of Medicine in New York, NY.
  • She graduated summa cum laude from New York University with an interest in Biochemistry and business studies.
  • Board Certifications
  • American Board of Internal Medicine – Internal Medicine
  • American Board of Internal Medicine – Gastroenterology
  • Honors and Awards
  • Throughout her medical training, Dr. Chhabra has had several publications and presentations on various topics.
  • Awarded 2022 Castle Connolly Rising Star.
  • Donald H. Kutner, DO

    Dr. Donald H. Kutner is a gastroenterologist with the Gastroenterology Associates of New Jersey. Board certified by the American Board of Internal Medicine with a subspecialty in gastroenterology, Dr. Kutner has expertise in Capsule endoscopy, Colonoscopy, Endoscopic percutaneous gastrostomy, Endoscopy, ERCP, Papillotomy, and YAG laser therapy.

    Prior to his position with GANJ, Dr. Kutner was in private practice and director for the Department of Gastroenterology Endoscopy for The Valley Hospital in Ridgewood, NJ. He also served as an active staff member of the Department of Medicine for The Valley Hospital.

    Education & Training
  • Dr. Kutner completed a fellowship in gastroenterology at Norwalk Hospital in Norwalk, CT.
  • He also completed a residency in internal medicine and an internship at the United States Public Health Services Hospital in Staten Island, NY.
  • He received his medical degree from Des Moines University in Des Moines, IA and a bachelor’s degree from the State University of New York (SUNY) at Binghamton in Binghamton, NY.
  • Board Certifications
  • American Board of Internal Medicine – Gastroenterology
  • Honors and Awards
  • Fellow of the American College of Gastroenterology
  • Professional Memberships
  • American College of Gastrointestinal Endoscopy
  • American Gastroenterology Association
  • Bergen County Medical Society
  • American Osteopathic Association
  • Bergen County Osteopathic Association
  • Matthew A. Kutner, DO

    Matthew A. Kutner, DO is a graduate of the UMDNJ School of Osteopathic Medicine. He completed his residency at Beth Israel Medical Center in New York, where he was also honored to be selected as Chief Medical Resident. He completed his gastroenterology fellowship training and an additional fellowship in an advanced endoscopy at Rutgers-University Hospital. Dr. Kutner is a member of Hackensack Digestive Disease Associates

    Education & Training
  • UMDNJ School of Osteopathic Medicine
  • Beth Israel Medical Center
  • Rutgers-University Hospital
  • Honors and Awards
  • Awarded Castle Connelly Top Doctors 2023
  • Our Services

    Serving multiple counties in northern and central New Jersey, Gastroenterology Associates of New Jersey (GANJ) utilizes the latest techniques of the industry to effectively diagnose and/or treat an array of acute and chronic gastrointestinal conditions. With a team approach and an extensive network of experienced physicians, GANJ is able to provide complete care for disorders of the digestive system for patients of all ages. All procedures are performed in the comfort of the office or in one of our advanced ambulatory surgery centers.

    Procedures we perform include:

    For more information on the procedures we perform or to schedule an appointment, contact us today.

    At Gastroenterology Associates of New Jersey, our specialized team of physicians and staff has years of combined experience providing care for acute and chronic gastrointestinal conditions. With an advanced network and a team approach, we provide an efficient diagnosis, customized treatment and preventive care plan for the individual needs of you and your family.

    Conditions we treat include:

    For more information on the conditions we treat or to schedule an appointment with one of our specialists, contact us today.

    Our Office
    Phone: 973-620-8500
    Fax: 201-797-6238
    Monday: 9:00 AM - 5:00 PM
    Tuesday: 9:00 AM - 5:00 PM
    Wednesday: 9:00 AM - 5:00 PM
    Thursday: 9:00 AM - 5:00 PM
    Friday: 9:00 AM - 5:00 PM
    Saturday: Closed
    Sunday: Closed
    Additional Contact Information

    Are you currently a patient of GANJ? Click here to access your encrypted, secure patient portal so you can access information 24/7 from the comfort and privacy of your own home or office.


    Please see below for a full list of our Accepted Insurance Plans:

    • Medicare NJ*
    • Medicaid NJ
    • Aetna PPO/HMO/Medicare
    • Amerigroup
    • Americhoice
    • Amerihealth (HMO/PPO/POS)
    • Empire BCBS
    • Beech Street / Medichoice
    • Humana
    • Cigna (HMO/PPO/POS)
    • Community Care Network
    • Consumer Health Network
    • Devon / Americare
    • Emblem Health (PPO/HMO)
    • First Health
    • Galaxy
    • GHI (PPO/HMO)
    • Healthnet
    • Horizon BCBS of NJ (PPO/HMO/Traditional)
    • Horizon NJ Health
    • Local 825
    • Local 1199 (thru Aetna)
    • Magnacare
    • Health Republic
    • Multiplan
    • “Oxford (Liberty/Freedom/Medicare)”
    • Qualcare (HMO / PPO)
    • Railroad Medicare
    • Tricare
    • “United Healthcare (HMO, PPO, POS, EPO)”
    • VNS
    • Wellcare

    *accepted by all of our doctors

    Please note: This list is not all-inclusive and some of our doctors do not participate in all of these plans. To confirm if the doctor participates, please contact your insurance company directly.