Dr. Chad J. Johnston, DO is an independent dermatology practice serving the New River and Roanoke Valleys, with offices in Blacksburg, Narrows, Roanoke, and Salem, Virginia. The practice provides medical, surgical, and cosmetic dermatology services for conditions affecting the skin, hair, and nails. Its team of board-certified dermatologists and allied health professionals works with patients to determine appropriate treatment approaches and care plans, including treatment and prevention of both common and rare skin conditions.