Howard County Medical Center 3459 Saint Johns Ln # 4 Ellicott City, MD 21042 Phone : (410) 525-1515 Business Category Physicians & Surgeons-M.D. Physicians & Surgeons-Dermatology Howard County Medical Center 1001 Pine Heights Ave # 301 Baltimore, MD 21229 Phone : (410) 525-1515 Business Category Physicians & Surgeons-M.D. Physicians & Surgeons-Dermatology