Dr. Thomas L. O'connor

Navin Kumar is a Gastroenterologist in Munster, Indiana. Dr. Kumar is rated as a Distinguished provider by MediFind in the treatment of Benign Esophageal Stricture. His top areas of expertise are Familial Adenomatous Polyposis, Esophagitis, Gastric Dysmotility, Endoscopy, and Colonoscopy.

John Czarnecki is a Gastroenterologist in Chicago, Illinois. Dr. Czarnecki is rated as a Distinguished provider by MediFind in the treatment of Benign Esophageal Stricture. His top areas of expertise are Familial Adenomatous Polyposis, Lower Esophageal Ring, Benign Esophageal Stricture, Endoscopy, and Colonoscopy.

Dr. Gupta is the Managing Partner at Midwest Digestive Health & Nutrition. He is a graduate of the University of Missouri – Kansas City School of Medicine. During this time, he also obtained a Masters in Public Health from the University of Illinois at Chicago in public health informatics. He completed his internal medicine residency at the University of Illinois at Chicago Medical Center and his gastroenterology fellowship at the University of Kansas Medical Center. He then pursued additional training in advanced interventional endoscopy at Washington University in St. Louis. Dr. Gupta has clinical and research interests in diagnostic and therapeutic endoscopy, malignant and pre-malignant conditions of the gastrointestinal tract, and improving the quality of endoscopy. He has published over 100 papers in peer reviewed medical journals, presented over 200 abstracts at national medical conferences, and written chapters for several medical textbooks. He teaches physicians how to perform complex endoscopy procedures at courses throughout the country and internationally. Dr. Gupta is very active in multiple gastroenterology medical societies and currently serves on committees for the American Gastroenterological Association (AGA), the American Society of Gastrointestinal Endoscopy (ASGE), and the International Society for Diseases of the Esophagus (ISDE).Dr. Gupta spent over 10 years as a faculty physician at Loyola Medicine where he led the Loyola University Medical Center Digestive Health program to 5 consecutive top 50 rankings at US News and World Report (a first ever achievement in the history of Loyola Medicine) as well as served in other senior leadership roles including Chief Medical Officer of the Medical Group and Regional Vice President of Ambulatory Operations. Dr. Gupta is rated as an Advanced provider by MediFind in the treatment of Benign Esophageal Stricture. His top areas of expertise are Benign Esophageal Stricture, Pancreatic Pseudocyst, Barrett Esophagus, Endoscopy, and Pancreatectomy.