John Joseph Mcclanahan is an Addiction (Substance Use Disorder) Counselor based in Arnold, MD and is specialized in Addiction (Substance Use Disorder). John Joseph Mcclanahan practices in Arnold, MD and has the professional credentials of PHD,CCDC,LCADC. The NPI Number for John Joseph Mcclanahan is 1720139934 and holds a License No. LCA040 (Maryland).

The current practice location address for John Joseph Mcclanahan is 1454 Baltimore Annapolis Blvd, Arnold, MD and can be reached out via phone at 410-626-7550 and via fax at 410-626-8805. You can also correspond with John Joseph Mcclanahan through the mailing address at 1454 BALTIMORE ANNAPOLIS BLVD, ARNOLD, MD - 21012-2455 (mailing address contact number: 410-626-7550).