Diplomate American Board
Internal Medicine and Gastroenterology

College: George Washington University, Washington, DC (Bachelor of Science in Biology)

Medical School: UMDNJ Medical School (now Rutgers New Jersey Medical School), Newark, NJ

Internship: Combined Internal Medicine and Pediatrics, UMDNJ, Newark, NJ

Residency: Combined Internal Medicine and Pediatrics, UMDNJ, Newark, NJ

Fellowship:

• Gastroenterology, UMDNJ, Newark, NJ
• Hepatology, Liver Institute at UMDNJ, Newark, NJ

Board Certification:

• American Board of Internal Medicine
• American Board of Pediatrics
• American Board of Gastroenterology

Licensure:

• NJ State Medical License

Professional Affiliations:

• American College of Gastroenterology (ACG)

Professional Statement: Dr. Kenneth Zierer is a board certified gastroenterologist with a thriving private practice in Rutherford and Clifton, NJ. He received his Bachelor of Science degree in Biology from George Washington University in Washington, DC, and his medical degree from UMDNJ Medical School (now Rutgers New Jersey Medical School) in 1988. Dr. Zierer completed a combined residency in internal medicine and pediatrics at UMDNJ, leading to board certifications in both fields. He further specialized with a fellowship in gastroenterology at UMDNJ, followed by a fellowship in hepatology at the Liver Institute at UMDNJ. Dr. Zierer then served as an associate professor at the medical school, practicing full-time in the division of hepatology and liver transplantation for five years before transitioning to private practice gastroenterology. He is triple board certified in internal medicine, pediatrics, and gastroenterology by the American Board of Internal Medicine. Dr. Zierer is affiliated with Gastroenterology Associates of New Jersey.

Awards:

• Castle Connolly Top Doctors 2023
• Bergen County’s Top Doctors 2023

Practice Website: www.ganjllc.com