HENRY WILLIAM MALLETT
NPI 1861259699
Social Worker in Waltham, MA

Active since February 28, 2024
40 SMART ST, WALTHAM, MA 02451(617) 599-2202 Get Directions Write a Review

NPPES record last updated: February 28, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Henry William Mallett NPPES

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

HENRY WILLIAM MALLETT (NPI 1861259699) is an individual social worker in Waltham, Massachusetts, licensed in Massachusetts (LICSW127052) and active in the NPI registry since February 2024.

NPPES Registry Identity

NPI1861259699
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameHENRY WILLIAM MALLETT
Location Address40 SMART STWaltham, MA 02451-2158
Mailing Address40 Smart StWaltham, MA 02451-2158 · (617) 599-2202
Sole ProprietorYes
Enumeration DateFebruary 28, 2024
NPPES CertifiedFebruary 28, 2024
NPI 1861259699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in MA · LICSW127052
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
40 SMART ST, Waltham, MA 02451

Accepted Insurance

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
40 SMART ST
WALTHAM, MA 02451

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 Henry Mallett's NPI number?

The NPI number for Henry Mallett is 1861259699. It was assigned to this individual provider in the NPPES registry on February 28, 2024.

Where is Henry Mallett located?

Henry Mallett practices at 40 Smart St, Waltham, MA 02451. The listed phone number is (617) 599-2202.

What is Henry Mallett's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

What insurance does Henry Mallett accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Henry Mallett as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Henry Mallett was last updated on February 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.