1. Home
  2. Directory
  3. New York
  4. Bayside
  5. Social Worker
  6. NPI Profile

KOSTAS MANDELOS LMSW
NPI 1598625824
Social Worker in Bayside, NY

Active since November 18, 2025
3635 BELL BLVD STE 203, BAYSIDE, NY 11361(718) 504-9256 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Kostas Mandelos Lmsw NPPES

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

KOSTAS MANDELOS LMSW (NPI 1598625824) is an individual social worker in Bayside, New York, licensed in New York (127292) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1598625824
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameKOSTAS MANDELOSCredential: LMSW
Location Address3635 BELL BLVD STE 203Bayside, NY 11361-2097
Mailing Address3635 Bell Blvd Ste 203Bayside, NY 11361-2097 · (929) 994-1648
Phone(718) 504-9256
Sole ProprietorYes
Enumeration DateNovember 18, 2025
NPPES CertifiedNovember 14, 2025
✔ NPI 1598625824 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 NY · 127292
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.
3635 BELL BLVD STE 203, Bayside, NY 11361
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.

LUIS A VILLANUEVA
Social Worker (Clinical)
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (718) 504-9256
MS. USHADEVI RAMJIT LMSW
Social Worker
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (774) 773-5714
MR. THOMAS JOHN DROGALIS LMHC
Counselor (Mental Health)
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (774) 773-5714
ACACIA PALMER LCSW
Social Worker (Clinical)
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (718) 504-9256
KATHIUSCA DE LA ROSA LMSW
Social Worker
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (774) 773-5714
MS. NATHALY BERNSTEIN LMSW
Social Worker
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (718) 830-0246
RACHAEL MORRIS
Counselor (Mental Health)
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (718) 504-9256
STACY-ANN GRANT LMSW
Social Worker
3635 BELL BLVD STE 203
BAYSIDE, NY 11361
Queens County (718) 635-3889

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 Kostas Mandelos's NPI number?

The NPI number for Kostas Mandelos is 1598625824. It was assigned to this individual provider in the NPPES registry on November 18, 2025.

Where is Kostas Mandelos located?

Kostas Mandelos practices at 3635 Bell Blvd Ste 203, Bayside, NY 11361. The listed phone number is (718) 504-9256.

What is Kostas Mandelos'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 Kostas Mandelos was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.