GANJ – Hackensack Location in Hackensack
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Office in Hackensack
  • Areas of Practice:
  • Gastroenterology

GANJ – Hackensack 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

Aakash Aggarwal, MD

Dr. Aakash Aggarwal is a member of Hackensack Digestive Disease Associates. His clinical focus is General gastroenterology, esophageal disorders (including acid reflux, dysphagia, achalasia, etc) Quality improvement, and colon cancer screening and prevention. He is also actively involved in research and has presented at various national and international conferences.

Education & Training
  • He completed his residency in Internal Medicine at the State University of New York Health Science Center in Syracuse, NY, and his Fellowship in Gastroenterology/Hepatology at the University of Connecticut, School of Medicine in Farmington, CT.
  • Board Certifications
  • Gastroenterology
  • Internal Medicine
  • Professional Memberships
  • American College of Physicians
  • New York Society for GI endoscopy
  • American Foregut society
  • Medical Society of the State of New York
  • American College of Gastroenterology
  • American Association for Study of Liver Diseases
  • Crohn’s and Colitis Foundation of America
  • Neetu H. Chahil, MD

    Neetu H. Chahil, MD has a particular interest in liver disease and in women’s gastrointestinal health issues. She is also a member of Hackensack Digestive Disease Associates.

    Education & Training
  • Neetu H. Chahil, MD is a graduate of New Jersey Medical School.
  • She completed her medical residency at St. Vincent’s Medical Center in New York, where she was honored to be selected as Chief Resident.
  • Dr. Chahil completed her Gastroenterology fellowship at Rutgers-University Hospital.
  • Board Certifications
  • Gastroenterology
  • Internal Medicine
  • Honors and Awards
  • Castle Connolly Top Doctor Since 2022
  • Castle Connolly Exceptional Women in Medicine 2022, 2023, 2024
  • Bergen County’s Top Doctors 2023
  • David M. Felig, MD

    David M. Felig, MD is a member of Hackensack Digestive Disease Associates. Dr. Felig has multiple original publications in the medical literature including in The New England Journal of Medicine, The American Journal of Gastroenterology, Gastroenterology and Gastrointestinal Endoscopy. These publications cover a broad range of gastrointestinal and liver disorders.

    Education & Training
  • David M. Felig, MD is a graduate of Yale University.
  • He attended medical school at Northwestern University School of Medicine.
  • His residency training in internal medicine was completed at Memorial Sloan-Kettering Cancer Center and New York Hospital Cornell Medical Center.
  • He completed his sub-specialty training in Gastroenterology at Yale University.
  • Board Certifications
  • Gastroenterology
  • Internal Medicine
  • Honors and Awards
  • Dr. Felig has been selected as a “Top Doctor” by New Jersey Monthly magazine, New York magazine, Inside Jersey magazine and by Castle Connolly.
  • Awarded Castle Connolly Top Doctors 2023
  • Awarded Bergen County’s Top Doctors 2023
  • Fahad M. Khan, MD

    Fahad M. Khan, MD is a member of Hackensack Digestive Disease Associates. Dr. Khan has published articles in the journals Hepatology and Digestive Diseases and Sciences.

    Education & Training
  • Fahad M. Khan, MD is a graduate of Upstate Medical University in Syracuse, New York, where he was inducted as a member of the Gold Humanism Honor Society.
  • He completed his internal medicine residency at Mount Sinai-Beth Israel Medical Center in New York and his Gastroenterology fellowship at the University of New Mexico Medical Center.
  • Board Certifications
  • Gastroenterology
  • Internal Medicine
  • Honors and Awards
  • Awarded Castle Connolly Top Doctors 2023
  • Awarded Bergen County’s Top Doctors 2023
  • Natan Krohn, MD

    Dr. Natan Krohn is a gastroenterologist at Gastroenterology Associates of New Jersey (GANJ). Prior to his position at GANJ, Dr. Krohn conducted research for Marion Bessin Liver Research Center and the Albert Einstein College of Medicine in Bronx, NY on various topics relevant to the medical community.

    Education & Training
  • He completed a fellowship in gastroenterology and hepatology at the Montefiore Medical Center in Bronx, NY and a residency in internal medicine at Mount Sinai Hospital in New York, NY.
  • Dr. Krohn also received his medical degree with special distinction for research in hepatology from the Albert Einstein College of Medicine and a Bachelor of Arts in history with summa cum laude honors from Yeshiva University in New York, NY.
  • Board Certifications
  • American Board of Internal Medicine
  • American Board of Gastroenterology
  • Honors and Awards
  • Dr. Krohn has three publications and has received academic awards including the Samuel Belkin Scholarship and the Ira Marienhoff Scholarship.
  • Awarded Castle Connelly Top Doctors 2023
  • Awarded Bergen County’s Top Doctors 2023
  • 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
  • Mark E. Tanchel, MD

    Mark E. Tanchel, MD is a member of Hackensack Digestive Disease Associates.

    Education & Training
  • Mark E. Tanchel, MD is a graduate of Tufts University School of Medicine.
  • He completed his medical residency at Tufts-New England Medical Center.
  • His gastroenterology fellowship was completed at the University of California at San Francisco Medical Center.
  • Board Certifications
  • Gastroenterology
  • Honors and Awards
  • Bergen County’s Top Doctors 2023
  • NJ Top Docs 2024
  • 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: 201-488-3003
    Fax: 201-488-6911
    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.

    Insurance

    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.