Raised in Utah, Dr. Dunn did his undergraduate work at the University of Utah, and received his medical degree at the Medical College of Wisconsin. Dr. Dunn completed his dermatology residency training at the University of New Mexico. He then practiced dermatology in Lewiston, Idaho for 5 years before moving to Spokane. He is board certified with the American Board of Dermatology, and a fellow of the American Academy of Dermatology. He is a member of the Spokane Medical Society, Washington State Medical Association, and Pacific Northwest Dermatologic Association.

He specializes in general dermatology and enjoys seeing patients of all ages. He has an interest in many challenging skin eruptions, as well as psoriasis, eczema, and acne. He also enjoys evaluating and treating patients with melanoma, other skin cancers, and all kinds of cutaneous growths.

Dr. Dunn enjoys spending time with his family doing various activities such as fishing and sports. He is very active in his church and is involved in the Boy Scout program.