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

JOSEPH LAM LCSW
NPI 1174420731
Social Worker - Clinical in Waltham, MA

Active since October 26, 2026
20 HOPE AVE STE 204, WALTHAM, MA 02453(508) 979-5557(508) 979-5955 Get Directions Write a Review

NPPES record added: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Joseph Lam Lcsw NPPES

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

JOSEPH LAM LCSW (NPI 1174420731) is an individual clinical provider in Waltham, Massachusetts, licensed in Massachusetts (LCSW2143797) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1174420731
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJOSEPH LAMCredential: LCSW
Location Address20 HOPE AVE STE 204Waltham, MA 02453-2717
Mailing Address226 Field StNew Bedford, MA 02740-2133 · (508) 979-5557 · Fax (508) 979-5955
Phone(508) 979-5557
Fax(508) 979-5955
Sole ProprietorNo
Enumeration DateOctober 26, 2026
NPPES CertifiedOctober 26, 2026
✔ NPI 1174420731 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 · LCSW2143797
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.
20 HOPE AVE STE 204, Waltham, MA 02453
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Other Providers at the Same Location NPPES 3

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

JYUE-YU HUANG
Social Worker (Clinical)
20 HOPE AVE STE 204
WALTHAM, MA 02453
Middlesex County (508) 979-5557
VEENU THAKUR PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
20 HOPE AVE STE 204
WALTHAM, MA 02453
Middlesex County (508) 979-5557
XIAOHONG CHEN LMSW, PHD
Social Worker (Clinical)
20 HOPE AVE STE 204
WALTHAM, MA 02453
Middlesex County (508) 979-5557

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 Lam's NPI number?

The NPI number for Joseph Lam is 1174420731. It was assigned to this individual provider in the NPPES registry on October 26, 2026.

Where is Joseph Lam located?

Joseph Lam practices at 20 Hope Ave Ste 204, Waltham, MA 02453. The listed phone number is (508) 979-5557.

What is Joseph Lam'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 Lam was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.