1. Home
  2. Directory
  3. Massachusetts
  4. Waltham
  5. Social Worker
  6. NPI Profile

MR. LEON DAVID MA
NPI 1124385372
Social Worker in Waltham, MA

Active since April 12, 2012
118 CENTRAL ST, WALTHAM, MA 02453(781) 891-0556(781) 647-1432 Get Directions Write a Review

NPPES record last updated: April 12, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Leon David Ma NPPES

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

MR. LEON DAVID MA (NPI 1124385372) is an individual social worker in Waltham, Massachusetts and active in the NPI registry since April 2012.

NPPES Registry Identity

NPI1124385372
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. LEON DAVIDCredential: MA
Location Address118 CENTRAL STWaltham, MA 02453-5465
Mailing Address118 Central StWaltham, MA 02453-5465 · (781) 891-0556 · Fax (781) 647-1432
Phone(781) 891-0556
Fax(781) 647-1432
Sole ProprietorNo
Enumeration DateApril 12, 2012
✔ NPI 1124385372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
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.
118 CENTRAL ST, Waltham, MA 02453
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

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

WAYSIDE YOUTH AND FAMILY SUPPORT NETWORK
Community/Behavioral Health
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0555
MS. FRANCES ELLEN GREEN LICSW
Counselor (Mental Health)
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0555
MR. IAN EDWARDS LICSW
Social Worker (Clinical)
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0556
JEFFREY A ROBERTS
Counselor (Mental Health)
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0556
DEIRDRE JIMENEZ
Social Worker (Clinical)
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0556
ADENA WORONA
Social Worker (Clinical)
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0556
MELISSA DE SOUZA
Counselor
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0555
MR. STEVEN FERENO
Counselor
118 CENTRAL ST
WALTHAM, MA 02453
Middlesex County (781) 891-0555

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 Leon David's NPI number?

The NPI number for Leon David is 1124385372. It was assigned to this individual provider in the NPPES registry on April 12, 2012.

Where is Leon David located?

Leon David practices at 118 Central St, Waltham, MA 02453. The listed phone number is (781) 891-0556.

What is Leon David's specialty?

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

When was this NPI record last updated?

The NPPES record for Leon David was last updated on April 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.