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

Dennis John McAllister, LCSW

Individual provider Clinical Social Worker · NPI 1922393529

Dennis John McAllister, LCSW is a Clinical Social Worker in Darien, Connecticut. Licensed in Connecticut. Registered with an NPI since 2011.

Licensed in
CT
In the registry since
2011
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

590 Post Rd
Darien, CT 06820-3608
Phone: (203) 629-2822
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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 007537 (CT)

Record details

NPI number1922393529
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 13, 2011
Last updated in NPPESJune 13, 2011

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