KZ
31 Years of Experience
Accepting patients
Online booking
Who is Dr. Zierer, Gastroenterologist in Rutherford, NJ?
Dr. Kenneth Zierer, MD is a Gastroenterologist, who primarily practices in Rutherford, NJ with 2 additional practice locations. He has been practicing for over 31 years. Dr. Zierer graduated from Rutgers and completed his residency at UMDNJ. Dr. Zierer is fluent in English and Spanish, and is currently seeing new patients. Dr. Zierer’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Zierer’s office at (201) 842-0020.
What are Areas of Expertise for Dr. Zierer?
Dr. Kenneth Zierer, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Zierer empowers patients to confidently navigate their health journey, specializing in Hepatology, and comprehensive wellness support. Serving the Rutherford, NJ community, Dr. Zierer is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Zierer go to medical school and complete their residency?
Residency: UMDNJ
Medical School: Rutgers
What languages does Dr. Zierer speak?
Dr. Zierer and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gastroenterologist like Dr. Zierer typically treat?
As a Gastroenterologist, Dr. Zierer diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Zierer. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
What procedures does a Gastroenterologist like Dr. Zierer typically perform?
As a Gastroenterologist, Dr. Zierer performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Zierer. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Zierer accept my insurance?
Dr. Zierer accepts most major insurance plans. Important: Please call our office at (201) 842-0020 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Zierer accept in Rutherford, NJ?
Dr. Zierer in Rutherford, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
Horizon BlueCross BlueShield
Horizon Mutual Holdings
Humana
Keenan & Associates
Medicare
National Benefit Fund
Oscar Health
UnitedHealth Group
View All Insurances
Where is Dr. Zierer's office located?
Dr. Kenneth Zierer's Primary Practice
71 Union Ave Ste 201
Rutherford, NJ 07070
(201) 842-0020
What hospitals are Dr. Zierer affiliated with?
Dr. Zierer has admitting privileges at the following hospitals:
St. Mary's General Hospital,Passaic, NJ
St. Mary's General Hospital,Passaic, NJ
Would you like to schedule an appointment with Dr. Kenneth Zierer?
Dr. Zierer has appointments available at his Rutherford, NJ office, as well as 2 other locations. Please select a location, date, and time below.
What is Dr. Zierer's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Zierer's National Provider Identifier (NPI) number is 1417978883.
What common questions do patients ask about Dr. Zierer?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Zierer
What is Dr. Kenneth Zierer's specialty?
Dr. Zierer is a Gastroenterologist near Rutherford, NJ.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is Dr. Kenneth Zierer affiliated with a ranked Castle Connolly Top Hospital?
No, Dr. Zierer is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: St. Mary's General Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Kenneth Zierer accepting new patients in Rutherford, NJ?
Yes, Dr. Kenneth Zierer is accepting new patients at this time.
Does Dr. Kenneth Zierer offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Zierer, or call (201) 842-0020 for more information.
How can I make an appointment with Dr. Kenneth Zierer?
Yes, you can use online booking to schedule an appointment with Dr. Zierer, or call (201) 842-0020 for more information.
Where is Dr. Zierer's office located?
Dr. Zierer's offices are located in Rutherford, NJ, Woodland Park, NJ, and Paramus, NJ.
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