Jonathon Stillman, MD, is a gastroenterologist and member of North Jersey Gastroenterology, a division of Gastroenterology Associates of New Jersey. Dr. Stillman completed his medical training at the University of Pennsylvania, followed by residency at Cornell Medical Center and fellowship training at Memorial Sloan Kettering Cancer Center. He sees patients at GANJ’s Wayne location.

John Sotiriadis, MD, PhD, AGAF, FACG, is board certified in gastroenterology and internal medicine and provides advanced, patient-centered digestive care. A fellow of both the American College of Gastroenterology and American Gastroenterological Association, Dr. Sotiriadis also serves as Section Chief at Palisades Medical Center. He sees patients at GANJ’s North Bergen and Hoboken locations.

Smrita Sinha, MD, is a gastroenterologist with expertise in GERD, IBS, inflammatory bowel disease, celiac disease, liver disease and gastrointestinal cancer. Fellowship-trained at Johns Hopkins Hospital, Dr. Sinha is committed to providing personalized, patient-centered digestive care. She sees patients at GANJ’s North Bergen location.

Tarun K. Sharma, MD, is a board-certified gastroenterologist and member of Digestive Disease Consultants of North Jersey, a division of Gastroenterology Associates of New Jersey. Fellowship-trained in gastroenterology, Dr. Sharma brings extensive training and experience in diagnosing and treating digestive health conditions. He sees patients at GANJ’s Mine Hill location.

Joseph G. Shami, MD, is board certified in gastroenterology and internal medicine with expertise in esophageal disorders and advanced diagnostic and therapeutic procedures. His clinical focus includes high-resolution esophageal manometry, pH testing and Transoral Incisionless Fundoplication (TIF). Dr. Shami sees patients at GANJ’s Wayne location.

Frank Ruiz, MD, is a board-certified gastroenterologist with more than 25 years of experience serving northern New Jersey. A former Chief of Gastroenterology at St. Mary’s Hospital, Dr. Ruiz provides comprehensive digestive care and sees patients at GANJ’s Clifton, Wayne and Rutherford locations.

Eric Rosendorf, MD, is board certified in gastroenterology and internal medicine and provides comprehensive diagnostic and therapeutic digestive care. His expertise includes colorectal cancer screening, acid reflux, inflammatory bowel disease, IBS, liver and pancreatic diseases, as well as advanced endoscopic procedures. Dr. Rosendorf sees patients at GANJ’s Fair Lawn and Rutherford locations.