Dr. Kenneth Zierer, MD

Dr. Kenneth Zierer, MD

Gastroenterology  ·  
Male  ·  
Age 55
Dr. Kenneth Zierer, MD is a gastroenterology specialist in Rutherford, NJ and has been practicing for 30 years. He graduated from Umdnj--New Jersey Medical School in 1988 and specializes in gastroenterology.Read his story

71 Union Ave Ste 201

Rutherford, NJ 07070

Contact Information

(201) 842-0020

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • First Health (Coventry Health Care)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • MultiPlan
  • QualCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Zierer

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Zierer performs your care needs compared to other doctors.

Liver Damage from Alcohol
very high
more than 94% of peers
Abdominal Disorders
more than 88% of peers
Gastrointestinal Diseases
more than 88% of peers

Dr. Zierer's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

Dr. Zierer's bio

This content was provided by Dr. Zierer "Dr. Kenneth G. Zierer is a gastroenterologist at Gastroenterology Associates of New Jersey. He is triple board certified in internal medicine, pediatrics and gastroenterology by the American Board of Internal Medicine. Dr. Zierer completed a fellowship in hepatology, a combined residency and internship program for internal medicine and pediatrics as well as his medical degree from Rutgers New Jersey Medical School in Newark, NJ. In addition, he received his bachelor's degree from George Washington University in Washington, D.C."

1  Specialties

  • Gastroenterology

1  Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*

85  Conditions Treated

Read Less

10  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for New Jersey.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Umdnj--New Jersey Medical School
    Medical School | Graduated 1988
  • Umdnj-U Hosp Newark
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Zierer has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Zierer does not have any memberships or affiliations listed. If you are Dr. Zierer and would like to add memberships or affiliations, please update your profile.

Dr. Zierer's Reviews

Likelihood of recommending Dr. Zierer to family and friends
11 total reviews (6 have comments)

Likelihood to Recommend (11)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Zierer's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (6)

I find Dr. Zierer and his staff excellent, easy to make an appointment and everything else after that, its the second time I came for an examination and went for another examination in the Clifton office the same friendly staff from the appointment to the end all excellent including a follow up...more
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Hands down one of the best doctors I've ever been to. Thorough, informative, and caring.
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Tells you the truth about your condition and possible solutions.If you have any questions he will answer them promptly and coherently.
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I do not recommend him and will never be back. After finding a cancer polyps and diagnosed for gastritis. He did not recommend any diet nor prescribed any medicine. When I asked him how to cure them he just told me whatever bothers my stomach or causes heartburn just don't do it. If I really need...more
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Strange I had an endoscopy scheduled and sat waiting for 40 minutes until my anxiety got the best of me and I walked out. Dr. Zierer never called to follow up with me or ask if I was even ok. I should've let that been my first warning. However, here I find myself on treatment and the more I read...more
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