Mark E. Williams, MD
About
Mark E. Williams, MD, is currently certified by the American Board of Internal Medicine in Internal Medicine and Geriatrics. He has an active clinical practice in Wilmington, NC. He is the author of 5 books and more than 100 peer-reviewed and Internet articles on various aspects of geriatric medicine. His latest book is Nail the Diagnosis: What Our Fingernails reveal About Our Health and Illness