Lydia Ann Roybal, MD | Kaiser Permanente

Find Doctors & Locations | Kaiser Permanente Find doctors and locations We know how important it is to find a doctor who's right for you. To choose or change doctors at any time, for any reason, browse our online profiles here by region, or call Member Services in your area. Important: If you think you or someone you care for is having a medical or mental health emergency , call 911 or go to the nearest hospital.