Mark Douglas Landis is a Clinical Psychologist based in Old Saybrook, MD and is specialized in Clinical. Mark Douglas Landis practices in Towson, MD and has the professional credentials of PSYD. The NPI Number for Mark Douglas Landis is 1205265923 and holds a License No. 03548 (Maryland).

The current practice location address for Mark Douglas Landis is 901 Dulaney Valley Rd, Towson, MD and can be reached out via phone at 888-818-6595 and via fax at 410-832-5783.