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

Justin Otto Kastenhuber, LMSW

Individual provider Social Worker · NPI 1063383883

Justin Otto Kastenhuber, LMSW is a Social Worker in North Haven, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2025
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

271 Spring Rd
North Haven, CT 06473-3410
Phone: (203) 671-8188
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 11509 (CT)

Record details

NPI number1063383883
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedSeptember 15, 2025
Last updated in NPPESSeptember 15, 2025
Certification dateSeptember 15, 2025

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