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JOHN MCGAHAN
NPI 1225542582
Counselor - Addiction (Substance Use Disorder) in Quincy, MA

Active since November 24, 2017
43 OLD COLONY AVE, QUINCY, MA 02170(857) 496-7341 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Mar 17, 2018, Nov 24, 2017 (2 updates tracked since 2017).

About John Mcgahan NPPES

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

JOHN MCGAHAN (NPI 1225542582) is an individual addiction (substance use disorder) provider in Quincy, Massachusetts, licensed in Massachusetts (321) and active in the NPI registry since November 2017. He maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1225542582
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOHN MCGAHAN
Location Address43 OLD COLONY AVEQuincy, MA 02170-2606
Mailing Address675 E 4th StBoston, MA 02127-3063 · (857) 496-7341
Phone(857) 496-7341
Sole ProprietorNo
Enumeration DateNovember 24, 2017
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1225542582 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 MA · 321
43 OLD COLONY AVE, Quincy, MA 02170
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Secondary Practice Location 1

Location 1675 E 4th StBoston, MA 02127-3063 · Phone (857) 496-7341

Other Providers at the Same Location NPPES 5

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

MR. DAVID BRIAN O'REGAN LADC
Counselor (Addiction (Substance Use Disorder))
43 OLD COLONY AVE
QUINCY, MA 02170
Norfolk County (617) 379-3436
JOHN LIVINGSTONE
Counselor
43 OLD COLONY AVE
QUINCY, MA 02170
Norfolk County (617) 934-1136
MISS CINDY BENNETT
Counselor (Addiction (Substance Use Disorder))
43 OLD COLONY AVE
QUINCY, MA 02170
Norfolk County (617) 328-1734
GAVIN FOUNDATION, INC.
Community Based Residential Treatment Facility, Mental Illness
43 OLD COLONY AVE
QUINCY, MA 02170
Norfolk County (857) 496-7341
MS. NANCY MARIE CONFORT LADCII
Counselor (Addiction (Substance Use Disorder))
43 OLD COLONY AVE
QUINCY, MA 02170
Norfolk County (617) 379-3384

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 Mcgahan's NPI number?

The NPI number for John Mcgahan is 1225542582. It was assigned to this individual provider in the NPPES registry on November 24, 2017.

Where is John Mcgahan located?

John Mcgahan practices at 43 Old Colony Ave, Quincy, MA 02170. The listed phone number is (857) 496-7341.

What is John Mcgahan'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 Mcgahan was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.