Best Gastroenterology clinics in Elizabeth, NJ.

Elizabeth John, M.D. is a gastroenterologist and internal medicine physician practicing at Mountainside Medical Group locations in Montville and Glen Ridge, New Jersey. Dr. John completed her medical degree from University of Central Florida College of Medicine, her internal medicine residency at Rutgers Robert Wood Johnson Medical School, and her gastroenterology fellowship at Methodist Dallas Medical Center in Texas. She speaks English, Malayalam, and Spanish.

- ARUN C NAIK MD LLC is a gastroenterology medical practice based in Roselle, New Jersey (Union County). - Website: gardenstategastro.com; contact: contact@gardenstategastro.com; Phone: 908-259-1140. - Focus areas include gastroenterology services such as colonoscopy, enteroscopy, and GI care. - Top geography: United States. Categories align with healthcare and GI services, including colonoscopy and gastroenterologist in Union County. - The listing identifies a gastroenterology practice in Union County, NJ. It may be one of the local options to consider for GI services in Elizabeth/Union County, though the page does not explicitly claim “#1” or specific ranking for Elizabeth. If you’re specifically looking for the top gastroenterologist in Union County, you may want to compare reviews, board certifications, appointment availability, and broader local listings beyond this single practice.

Advanced Gastroenterology Group is a gastroenterology practice in Elizabeth, NJ offering colonoscopy, upper endoscopy, capsule endoscopy, ERCP, endoscopic ultrasound, FibroScan, SIBO breath testing, and treatment for conditions including GERD, IBD, Crohn's disease, and ulcerative colitis. The practice operates a dedicated outpatient endoscopy center and provides nutrition services and IV infusions for IBD.