Karen Kettmer Md 4801 Dorsey Hall Dr # 105 Ellicott City, MD 21042 Phone : (410) 740-3600 Business Category Physicians & Surgeons-M.D. Diane Jones Landrum Md 4801 Dorsey Hall Dr # 105 Ellicott City, MD 21042 Phone : (410) 740-3600 Business Category Physicians & Surgeons-M.D. Physicians & Surgeons-Pediatrics