General Info

John Montgomery Yost, MD, MPH is a Clinical Associate Professor in Dermatology at Stanford Health Care and the Director of the Nail Disorders Clinic. After attending medical school at the University of Michigan, he completed his residency at the Ronald O. Perelman Department of Dermatology at New York University Langone Medical Center. His clinical and research interests include nail disorders, tumors of the nail apparatus, nail surgery, longitudinal melanonychia, brittle nail disease, and inflammatory nail disorders.