Dr. Erik Holzwanger, MD, DABOM
Dr. Erik Holzwanger (he/his) is the Director of Endoluminal Surgery and Bariatric Endoscopy at IGIC. He is a board-certified gastroenterologist who specializes in complex and minimally invasive endoscopic procedures. Dr. Holzwanger has extensive experience performing procedures such as endoscopic sleeve gastroplasty (ESG) and transoral outlet reduction (TORe), offering non-surgical options for weight management and the treatment of post-bariatric surgical complications. He also specializes in complex polypectomy including procedures such as EMR and ESD. His clinical expertise also includes ERCP and endoscopic ultrasound for the evaluation and management of pancreaticobiliary disorders.
Prior to IGIC, Dr. Holzwanger served as the Director of Endoluminal Surgery and Bariatric Endoscopy at Tufts Medical Center. Dr. Holzwanger completed his medical degree at Ross University School of Medicine, followed by residency training in internal medicine at UMass Chan Medical School, where he served as Chief Medical Resident. He completed his gastroenterology fellowship at Tufts Medical Center and pursued advanced endoscopy fellowship training at Beth Israel Deaconess Medical Center.
Outside of work, Dr. Holzwanger enjoys spending time with his family. He is a native of Haverhill and is committed to expanding access to advanced gastrointestinal care in the Merrimack Valley.
