Dr. John Joseph Mcclanahan

PHD,CCDC,LCADC | Addiction (Substance Use Disorder) Counselor


  1454 Baltimore Annapolis Blvd, Arnold
     Maryland, 21012-2455
  410-626-7550    410-626-8805 Maps & Directions
Dr. John Joseph Mcclanahan is a Arnold, Maryland based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Dr. John Joseph Mcclanahan is LCA040 for Addiction (Substance Use Disorder) Counselor in Maryland. His current practice location is 1454 Baltimore Annapolis Blvd, Arnold. Patients can book an appointment with him at 410-626-7550.
Dr. John Joseph Mcclanahan is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.
Complete Profile:
Dr. John Joseph Mcclanahan speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Dr. John Joseph Mcclanahan
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Male
Credentials: PHD,CCDC,LCADC
Accepts Medicare Assignment:No
Practice Address:1454 Baltimore Annapolis Blvd, Arnold,
Maryland, 21012-2455
Phone:410-626-7550
Fax:410-626-8805
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1720139934
NPI Enumeration Date: 15 Jan, 2007
NPI Last Update On: 08 Jul, 2007

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. John Joseph Mcclanahan are as mentioned below.
License NumberSpecializationStateStatus
LCA040Addiction (Substance Use Disorder) Counselor MarylandPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 1454 Baltimore Annapolis Blvd,
Arnold, Maryland
Zip: 21012-2455
Phone Number: 410-626-7550
Fax Number: 410-626-8805
Patients can reach Dr. John Joseph Mcclanahan at 1454 Baltimore Annapolis Blvd, Arnold, Maryland or can call to book an appointment on 410-626-7550.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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