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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOSEPH LOUIS POSWINSKI LCSW
NPI 1548063084
Social Worker - Clinical in Cheshire, CT

Active since March 31, 2025
242 CEDAR LN, CHESHIRE, CT 06410(860) 414-4233 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2026, Mar 31, 2025 (2 updates tracked since 2025).

About Joseph Louis Poswinski Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH LOUIS POSWINSKI LCSW (NPI 1548063084) is an individual clinical provider in Cheshire, Connecticut, licensed in Connecticut (16795) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1548063084
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJOSEPH LOUIS POSWINSKICredential: LCSW
Location Address242 CEDAR LNCheshire, CT 06410-2220
Mailing Address242 Cedar LnCheshire, CT 06410-2220 · (860) 414-4233
Phone(860) 414-4233
Sole ProprietorYes
Enumeration DateMarch 31, 2025
Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1548063084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CT · 16795
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
242 CEDAR LN, Cheshire, CT 06410
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

S-ADERRA ACHIEVEMENT, LLC
Social Worker (Clinical)
242 CEDAR LN
CHESHIRE, CT 06410
Naugatuck Valley Planning Region (860) 406-3844

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Poswinski's NPI number?

The NPI number for Joseph Poswinski is 1548063084. It was assigned to this individual provider in the NPPES registry on March 31, 2025.

Where is Joseph Poswinski located?

Joseph Poswinski practices at 242 Cedar Ln, Cheshire, CT 06410. The listed phone number is (860) 414-4233.

What is Joseph Poswinski's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Joseph Poswinski was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.