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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1891881470

Mrs. Colleen M Mahoney, MSW is an Addiction (Substance Use Disorder) Counselor in Nashua, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

Licensed in
NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

29 NW Blvd
Nashua, NH 03063
Phone: (603) 881-9313
Fax: (603) 579-9789
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 180 (NH)
Clinical Social Worker Taxonomy 1041C0700X · Licence 1176 (NH)

Record details

NPI number1891881470
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESSeptember 11, 2025

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