Our Dedicated Physicians

Dr. S. Mark Bettag

Dr. S. Mark Bettag

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 The American College of Physicians. 

Dr. Nikita Jain

Dr. Nikita Jain

Dr. Jain completed both an internship and residency at Northwestern Medicine In Illinois. Her fellowship was done at the University of Louisville in Kentucky. She is board certified in Internal Medicine by the American Board of Internal Medicine and has a specialty in Medical Oncology/Hematology. She started her practice in Sheboygan County in 2024. 

Dr. Jain is a member of the American Society of Clinical Oncology as well as the American Society of Hematology.