Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John McGahan

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1225542582

John McGahan is an Addiction (Substance Use Disorder) Counselor in Quincy, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2017

Practice location Address checks out

43 Old Colony Ave
Quincy, MA 02170-2606
Phone: (857) 496-7341
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 675 E 4th St, Boston, MA 02127-3063 — (857) 496-7341

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 321 (MA)

Record details

NPI number1225542582
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 24, 2017
Last updated in NPPESMarch 17, 2018
Mailing address675 E 4th St, Boston, MA 02127-3063

Other providers in Quincy