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

Individual provider Clinical Social Worker · NPI 1477275105

Nicholas Holahan, MSW, JD is a Clinical Social Worker in Newton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2022
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

69 Auburndale Ave
Newton, MA 02465-1419
Phone: (781) 249-5111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 213386 (MA)

Record details

NPI number1477275105
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , JD
Sole proprietorYes
NPI enumeratedSeptember 19, 2022
Last updated in NPPESSeptember 19, 2022
Certification dateSeptember 19, 2022

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