Our Providers

Providers

reynolds

Dr. Robert Reynolds

Specialty: Radiation Oncology

Profile:  Dr. Reynolds is the Medical Director at the Bismarck Cancer Center and accepts all cases including breast, prostate, lung, gynecologic (female) cancers, head/neck, stomach, colorectal, pancreatic, esophageal, brain, spinal cord, bladder, bone sarcoma, lymphoma, and metastatic disease.

Education and Training: Dr. Reynolds earned his undergraduate degree with honors from the University of Texas at Austin. He attended the University of Texas Medical Branch in Galveston where he earned his medical degree and was inducted into the Alpha Omega Alpha Honor Society. He completed his radiation oncology residency at Medical University of South Carolina in Charleston, where he served as Chief Resident.

Board Certification: Board Certified in Radiation Oncology by the American Board of Radiology 

Medical School: University of Texas Medical Branch in Galveston, TX and University of South Carolina in Charleston, SC

Affiliations: Dr. Reynolds previously practiced at Mosaic Life Care in St. Joseph, Missouri. He is an active member of the American Society of Therapeutic Radiation Oncology and American Board of Radiology.

Languages: English

Joined BCC: 2018

Cole

Dr. Cole Kreofsky

Specialty: Radiation Oncology

Profile: Dr. Cole Kreofsky is a radiation oncologist at the Bismarck Cancer Center and treats multiple types of cancer, including including breast, prostate, lung, gynecologic (female) cancers, head/neck, stomach, colorectal, pancreatic, esophageal, brain, spinal cord, bladder, bone sarcoma, lymphoma, and metastatic disease.

Education and Training: Dr. Kreofsky earned his medical degree at Wayne State University School of Medicine in Detroit, MI. He completed his radiation oncology residency at Mayo Clinic School of Graduate Medical Education in Rochester, MN.

Board Certification: Board Certified in Radiation Oncology by the American Board of Radiology

Residency: Mayo Clinic School of Graduate Medical Education, Rochester, MN

Medical School: Wayne State University of Medicine, Detroit, MI

Affiliations: American Society for Therapeutic Radiation Oncology, American Society of Clinical Oncology, and the American Brachytherapy Society.

Languages: English

Practicing Since: 2017

dr lee

Dr. Joon Lee

Specialty: Radiation Oncology

Profile: Dr. Lee accepts all cases including breast, prostate, lung, gynecologic (female) cancers, head/neck, stomach, colorectal, pancreatic, esophageal, brain, spinal cord, bladder, bone sarcoma, lymphoma, and metastatic disease.

Education and Training: He earned his medical degree from the University of Illinois College of Medicine and completed his residency in radiation oncology at Henry Ford Hospital in Detroit, Michigan. Prior to joining BCC, Dr. Lee practiced at Overlake Medical Center in Bellevue, Washington, and Trinity Health in Minot, North Dakota. He also served as a Clinical Assistant Professor at the University of North Dakota.

Board Certification: Board Certified in Radiation Oncology by the American Board of Radiology

Medical School: University of Illinois College of Medicine

Affiliations: Board Certified in Radiation Oncology by the American Board of Radiology 

Languages: English, Korean, and Spanish.

Joined BCC: June 2025

tan man

Tanner Stavn, DNP

Specialty: Doctor of Nursing Practice

Profile: Tanner will focus on providing essential follow-up care for individuals who have completed their cancer treatments. This type of care is crucial for monitoring patients’ health and detecting any potential problems that may arise months or even years after treatment.

School: Tanner holds a Doctor of Nursing Practice degree from the University of Mary and an undergraduate degree from North Dakota State University. His background includes valuable experience at CHI St. Alexius, where he served in both the medical/neuro unit and the interventional radiology department. His diverse experience allows him to provide high-quality, personalized care to the Bismarck Cancer Center’s patients.

Languages: English

Joined BCC: 2024