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

Sean McMahon, MSW

Individual provider School Counselor · NPI 1639802804

Sean McMahon, MSW is a School Counselor in Northampton, Massachusetts. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

8 Atwood Dr
Northampton, MA 01060-4266
Phone: (413) 586-5555
Show map & directions

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

Specialties & licences

School Counselor (primary) Taxonomy 101YS0200X
Counselor Taxonomy 101Y00000X
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1639802804
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedJuly 6, 2022
Last updated in NPPESJuly 6, 2022
Certification dateJuly 6, 2022
Mailing address8 Atwood Dr, Northampton, MA 01060-4266

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