LASSITER M WILLIAMS
NPI 1144166760
Social Worker - Clinical in Philadelphia, PA

Active since April 27, 2026
4528 REGENT ST, PHILADELPHIA, PA 19143(484) 433-4778 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Lassiter M Williams NPPES

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

LASSITER M WILLIAMS (NPI 1144166760) is an individual clinical provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SW141697) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1144166760
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLASSITER M WILLIAMS
Location Address4528 REGENT STPhiladelphia, PA 19143-3723
Mailing Address4528 Regent StPhiladelphia, PA 19143-3723 · (484) 433-4778
Sole ProprietorNo
Enumeration DateApril 27, 2026
NPPES CertifiedApril 27, 2026
✔ NPI 1144166760 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 PA · SW141697
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.
4528 REGENT ST, Philadelphia, PA 19143

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 Lassiter Williams's NPI number?

The NPI number for Lassiter Williams is 1144166760. It was assigned to this individual provider in the NPPES registry on April 27, 2026.

Where is Lassiter Williams located?

Lassiter Williams practices at 4528 Regent St, Philadelphia, PA 19143. The listed phone number is (484) 433-4778.

What is Lassiter Williams'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 Lassiter Williams was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.