Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

S-ADERRA ACHIEVEMENT, PLLC
NPI 1831013085
Social Worker - Clinical in Cheshire, CT

Active since August 08, 2026
242 CEDAR LN, CHESHIRE, CT 06410(860) 406-3844 Get Directions Write a Review

NPPES record added: August 20, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 20, 2026, Aug 10, 2026, Aug 8, 2026 (3 updates tracked since 2026).

About S-aderra Achievement, Pllc NPPES

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

S-ADERRA ACHIEVEMENT, PLLC (NPI 1831013085) is a healthcare organization registered as a clinical in Cheshire, Connecticut and active in the NPI registry since August 2026. The organization lists Joseph Louis Poswinski, Group Practice Owner / Clinician, as its authorized official.

NPPES Registry Identity

NPI1831013085
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameS-ADERRA ACHIEVEMENT, PLLC
Location Address242 CEDAR LNCheshire, CT 06410
Mailing Address268 Post Road, Suite 200 #815288Fairfield, CT 06824-6220 · (860) 406-3844
Organization SubpartNo
Authorized OfficialJoseph Louis PoswinskiGroup Practice Owner / Clinician · (860) 406-3844
Enumeration DateAugust 8, 2026
Last NPPES UpdateAugust 20, 20263 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
NPI 1831013085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 S-Aderra Achievement, PLLC's NPI number?

The NPI number for S-Aderra Achievement, PLLC is 1831013085. It was assigned to this organization in the NPPES registry on August 8, 2026.

Where is S-Aderra Achievement, PLLC located?

S-Aderra Achievement, PLLC is located at 242 Cedar Ln, Cheshire, CT 06410. The listed phone number is (860) 406-3844.

What is S-Aderra Achievement, PLLC'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 S-Aderra Achievement, PLLC was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.