Dr. Anna Niewiarowska is board certified in medical oncology, hematology and internal medicine. She earned her medical degree at the Warsaw Medical School Poland in 1982. She subsequently completed her internship and residencies at St. Luke's Hospital -Bethlehem Campus, and completed her fellowship in Hematology/Oncology at Thomas Jefferson University Hospital, Philadelphia. Dr. Niewiarowska's research has been published in several medical journals including the International Journal of Cancer and Journal of Biological Chemistry.
Dr. Tomasz Niewiarowski graduated from Warsaw Medical School Poland in 1982. He completed his medical residency at St. Luke’s Hospital in Bethlehem in 1989, and his Gastroenterology Fellowship at Temple University Hospital in Philadelphia in 1992. In private practice for over 25 years, Dr. Niewiarowski has acquired a profound expertise in diagnosing and treating a wide variety of gastrointestinal disorders. He developed the first endoscopic ultrasound program in the Lehigh Valley in 2004. He is an expert in complex endoscopic procedures, having performed over 15,000 over the course of his career. His clinical work has been published in several journals, including the Journal of Gastrointestinal Endoscopy.