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

Johannes Marselis, LMSW

Individual provider Social Worker · NPI 1114340908

Johannes Marselis, LMSW is a Social Worker in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2014.

Licensed in
NY
In the registry since
2014
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

26 Court St Ste 614
Brooklyn, NY 11242-1106
Phone: (347) 668-6946
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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 082493-1 (NY)

Record details

NPI number1114340908
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedJanuary 29, 2014
Last updated in NPPESAugust 18, 2016

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