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

Justin Smith, MSW

Individual provider Mental Health Counselor · NPI 1780550822

Justin Smith, MSW is a Mental Health Counselor in Lexington, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025
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

125 Hartwell Ave
Lexington, MA 02421-3100
Phone: (781) 861-0890
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1780550822
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedOctober 15, 2025
Last updated in NPPESOctober 15, 2025
Certification dateOctober 15, 2025
Mailing address125 Hartwell Ave, Lexington, MA 02421-3100

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