Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Kostas Mandelos, LMSW

Individual provider Social Worker · NPI 1598625824

Kostas Mandelos, LMSW is a Social Worker in Bayside, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2025
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

3635 Bell Blvd Ste 203
Bayside, NY 11361-2097
Phone: (718) 504-9256
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 127292 (NY)

Record details

NPI number1598625824
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedNovember 18, 2025
Last updated in NPPESNovember 18, 2025
Certification dateNovember 14, 2025

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