Dr. Douglas B. Rock

Jack Bagley is a Radiation Oncologist in Grand Junction, Colorado. Dr. Bagley is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Metastatic Pleural Tumor, Head and Neck Squamous Cell Carcinoma (HNSCC), Prostate Cancer, and Familial Prostate Cancer.

Dr. Kristen Riegert holds a Bachelor of Science in Biology from Pacific University in Forest Grove, OR, and a Doctor of Medicine from Oregon Health & Science University in Portland. She completed an internal medicine internship with Providence Portland Medical Center and a radiation and oncology residency with the University of Arizona in Tucson. In 2014, Dr. Riegert began working as a radiation oncologist at a Walla Walla, WA hospital. She spent the next two decades there. In 2024, she moved to Grand Junction, CO, and joined Intermountain Health.She enjoys hiking, camping, and exploring the outdoors with her sons when she is not at work. Dr. Riegert is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. Her top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Angiosarcoma.

Randall Oldroyd is a Radiation Oncologist in Grand Junction, Colorado. Dr. Oldroyd has been practicing medicine for over 25 years and is rated as an Advanced provider by MediFind in the treatment of Prostate Cancer. His top areas of expertise are Breast Cancer, Angiosarcoma, Glioma, and Pleuropulmonary Blastoma. Dr. Oldroyd is currently accepting new patients.