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ALEXANDER L GRINBERG
NPI 1689550220
Social Worker in Brooklyn, NY

Active since August 11, 2025
365 WILLOUGHBY AVE, BROOKLYN, NY 11205(201) 914-5599 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Alexander L Grinberg NPPES

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

ALEXANDER L GRINBERG (NPI 1689550220) is an individual social worker in Brooklyn, New York and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1689550220
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameALEXANDER L GRINBERG
Location Address365 WILLOUGHBY AVEBrooklyn, NY 11205-5191
Mailing Address902 Ocean Pkwy Apt 3eBrooklyn, NY 11230-3424 · (718) 875-6900
Phone(201) 914-5599
Sole ProprietorYes
Enumeration DateAugust 11, 2025
NPPES CertifiedAugust 11, 2025
✔ NPI 1689550220 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.
365 WILLOUGHBY AVE, Brooklyn, NY 11205
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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.

DEVORA FOGELMAN
Student in an Organized Health Care Education/Training Program
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
SOLOMAN DEUTSCH
Student in an Organized Health Care Education/Training Program
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
BLIMA WEINBAUM
Social Worker
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
RIVKA BRACKMAN
Student in an Organized Health Care Education/Training Program
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
ROCHEL L LANDA
Social Worker (Clinical)
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
CHANA SARA SHAGALOW
Student in an Organized Health Care Education/Training Program
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
BETTY BRACH
Student in an Organized Health Care Education/Training Program
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900
ARYEH BRULL
Social Worker
365 WILLOUGHBY AVE
BROOKLYN, NY 11205
Kings County (718) 875-6900

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 Alexander Grinberg's NPI number?

The NPI number for Alexander Grinberg is 1689550220. It was assigned to this individual provider in the NPPES registry on August 11, 2025.

Where is Alexander Grinberg located?

Alexander Grinberg practices at 365 Willoughby Ave, Brooklyn, NY 11205. The listed phone number is (201) 914-5599.

What is Alexander Grinberg'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 Alexander Grinberg was last updated on August 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.