MS. MARGARET L DE HAAN
NPI 1699801282
Social Worker in Brooklyn, NY

Active since February 26, 2007
1463 FLATBUSH AVE, BROOKLYN, NY 11210(718) 951-9009(718) 951-9719 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Margaret L De Haan NPPES

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

MS. MARGARET L DE HAAN (NPI 1699801282) is an individual social worker in Brooklyn, New York, licensed in Michigan (6802077521) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1699801282
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. MARGARET L DE HAAN
Location Address1463 FLATBUSH AVEBrooklyn, NY 11210-2428
Mailing Address3235 Emmons Ave Apt 301Brooklyn, NY 11235-1139 · (718) 743-3651
Fax(718) 951-9719
Sole ProprietorYes
Enumeration DateFebruary 26, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1699801282 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in MI · 6802077521
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.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 19325 (NY)
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 000280 (NY)

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.

Counselor
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Counselor (Addiction (Substance Use Disorder))
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Social Worker
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Community/Behavioral Health
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Counselor (Addiction (Substance Use Disorder))
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Social Worker
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Social Worker (Clinical)
1463 FLATBUSH AVE
BROOKLYN, NY 11210
Registered Nurse
1463 FLATBUSH AVE
BROOKLYN, NY 11210

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 Margaret De Haan's NPI number?

The NPI number for Margaret De Haan is 1699801282. It was assigned to this individual provider in the NPPES registry on February 26, 2007.

Where is Margaret De Haan located?

Margaret De Haan practices at 1463 Flatbush Ave, Brooklyn, NY 11210. The listed phone number is (718) 951-9009.

What is Margaret De Haan'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 Margaret De Haan was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.