Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. LESLIE LAMB LICSW
NPI 1144296419
Social Worker - Clinical in Waltham, MA

Active since February 27, 2006
29 GORDON ST, APARTMENT 104, WALTHAM, MA 02453(781) 894-2504 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Leslie Lamb Licsw NPPES

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

MS. LESLIE LAMB LICSW (NPI 1144296419) is an individual clinical provider in Waltham, Massachusetts, licensed in Massachusetts (1032179) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1144296419
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. LESLIE LAMBCredential: LICSW
Location Address29 GORDON ST, APARTMENT 104Waltham, MA 02453-5262
Mailing Address29 Gordon St, Apartment 104Waltham, MA 02453-5262 · (781) 894-2504
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1144296419 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 MA · 1032179
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.

29 GORDON ST, Waltham, MA 02453

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 Leslie Lamb's NPI number?

The NPI number for Leslie Lamb is 1144296419. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Leslie Lamb located?

Leslie Lamb practices at 29 Gordon St Apartment 104, Waltham, MA 02453. The listed phone number is (781) 894-2504.

What is Leslie Lamb'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 Leslie Lamb was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.