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

Mr. Liam Mulligan, LCSW

Individual provider Clinical Social Worker · NPI 1063990604

Mr. Liam Mulligan, LCSW is a Clinical Social Worker in Philadelphia, Pennsylvania. Licensed in New Jersey and Pennsylvania. Registered with an NPI since 2018.

Licensed in
NJ, PA
In the registry since
2018
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

833 Chestnut St Ste 210
Philadelphia, PA 19107-4405
Phone: (215) 955-8962
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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 CW018559 (PA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 44SC05597500 (NJ)

Record details

NPI number1063990604
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 6, 2018
Last updated in NPPESJuly 17, 2019

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