Our Dedicated Physicians

Dr. Mark Bettag is board-certified in Hematology/Medical Oncology, Internal Medicine, Hospice, and Palliative Care Medicine. He began practicing in Sheboygan County in 1995. In 2004, Dr. Bettag opened Sheboygan Cancer & Blood Specialists. Patients appreciate his dedication, expertise, and deep concern for their special needs.

Dr. Bettag completed an Internal Medicine residency at Loyola University Medical Center in Maywood, Illinois, and a Hematology/Oncology fellowship at the University of Colorado Health Sciences Center in Denver. 

Dr. Bettag is a member of both the American Association of Cancer Research and the American College of Physicians.