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

John Joseph Costello, LCSW

Individual provider Clinical Social Worker · NPI 1942020045

John Joseph Costello, LCSW is a Clinical Social Worker in New Milford, Connecticut. Practices as a sole proprietor. Licensed in Connecticut and New York.

Licensed in
CT, NY
In the registry since
2024
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

57 Little Bear Hill Rd
New Milford, CT 06776-5225
Phone: (707) 738-0298
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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 14502 (CT)
Clinical Social Worker Taxonomy 1041C0700X · Licence 096713 (NY)

Record details

NPI number1942020045
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 14, 2024
Last updated in NPPESOctober 14, 2024
Certification dateOctober 14, 2024

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