Dr. Mike Johnson - Dermapen Medical Director
Micro Needling Mike Johnson, M.D - Dermapen Review" />Derma Pen, LLC announced today that Dr. Mike Johnson has joined the company as Medical Director for its Dermapen products. Mike Johnson M.D. trained as a neurologist at the University of Minnesota. After postdoctoral training, he pursued neuroscience research in Parkinson’s disease and basic motor physiology. Concurrently