Ira W Nierenberg, MD

Dr. Ira Nierenberg is a gastroenterologist who brings more than four decades of medical experience to his practice. He earned his medical degree from SUNY Upstate Medical University Alan and Marlene Norton College of Medicine, establishing a strong foundation for his specialized career in digestive health. His extensive background spanning 43 years has given him deep expertise in diagnosing and treating conditions affecting the gastrointestinal system. Dr. Nierenberg communicates with patients in English.

Dr. Nierenberg practices in Middletown, New York, and maintains an affiliation with Ascension Northeast Wisconsin Saint Elizabeth Hospital. He specializes in addressing abdominal pain, including complications that may arise during pregnancy, as well as flank pain that can signal various digestive concerns. His procedural expertise includes performing colonoscopies and lower GI endoscopies, which are essential tools for screening and diagnosing intestinal conditions. He also utilizes …blood tests to help evaluate patients' overall health and guide treatment decisions.