Ian S. Gallaher, MD

Dr. Ian Gallaher is a radiation oncologist physician practicing at Providence St. Mary in Walla Walla, WA.

At Providence St. Mary Medical Center Diagnostic Imaging, we never forget there’s a person behind every medical imaging test. Our state-of-the-art imaging services allow doctors to observe how your body systems are operating and diagnose medical conditions — and we do everything we can to make the experience as convenient and comfortable for you as possible.

Diana Cation is a nurse practitioner specializing in geriatric medicine and oncology. She has a special interest in breast cancer, prostate cancer, cancer, survivorship, and anemia. Diana is located in Walla Walla, WA.