Meet the Oncologist
Sanford Roger Maris Cancer Center
University of North Dakota School of Medicine & Health Sciences
Grand Forks, N.D.
Internal Medicine: Mayo Clinic & Graduate School
Oncology & Hematology - Mayo Clinic
American Board of Internal Medicine
Basic Life Support / Advanced Cardiovascular Life Support
Hematology & Medical Oncology
Dr. Jeff Wiisanen specializes in oncology with a special interest in gastrointestinal oncology research. Jamestown Regional Medical Center, in partnership with Sanford Health, opened the JRMC Cancer Center in 2019. The JRMC Cancer Center serves 100 people from Sanford and other healthcare organizations in the Jamestown area each month, saving more than 160,000 miles of travel each year.