DR. JOHN JOSEPH MCCLANAHAN PHD,CCDC,LCADC
NPI 1720139934
Counselor - Addiction (Substance Use Disorder) in Arnold, MD

Active since January 15, 2007
1454 BALTIMORE ANNAPOLIS BLVD, ARNOLD, MD 21012(410) 626-7550(410) 626-8805 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Joseph Mcclanahan Phd,ccdc,lcadc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN JOSEPH MCCLANAHAN PHD,CCDC,LCADC (NPI 1720139934) is an individual addiction (substance use disorder) provider in Arnold, Maryland, licensed in Maryland (LCA040) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1720139934
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameDR. JOHN JOSEPH MCCLANAHANCredential: PHD,CCDC,LCADC
Location Address1454 BALTIMORE ANNAPOLIS BLVDArnold, MD 21012-2455
Mailing Address1454 Baltimore Annapolis BlvdArnold, MD 21012-2455 · (410) 626-7550 · Fax (410) 626-8805
Fax(410) 626-8805
Sole ProprietorYes
Enumeration DateJanuary 15, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1720139934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in MD · LCA040
1454 BALTIMORE ANNAPOLIS BLVD, Arnold, MD 21012

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
1454 BALTIMORE ANNAPOLIS BLVD, SECOND FLOOR
ARNOLD, MD 21012
Clinic/Center (Birthing)
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012
Physical Therapist
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012
Advanced Practice Midwife
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012
Advanced Practice Midwife
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012
Advanced Practice Midwife
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012
Midwife
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012
Registered Nurse (Administrator)
1454 BALTIMORE ANNAPOLIS BLVD
ARNOLD, MD 21012

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mcclanahan's NPI number?

The NPI number for John Mcclanahan is 1720139934. It was assigned to this individual provider in the NPPES registry on January 15, 2007.

Where is John Mcclanahan located?

John Mcclanahan practices at 1454 Baltimore Annapolis Blvd, Arnold, MD 21012. The listed phone number is (410) 626-7550.

What is John Mcclanahan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for John Mcclanahan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.