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

Mr. Marwan Castellani, LCSW-C

Individual provider Clinical Social Worker · NPI 1679002471

Mr. Marwan Castellani, LCSW-C is a Clinical Social Worker in Montgomery Village, Maryland. Licensed in Maryland. Registered with an NPI since 2017.

Licensed in
MD
In the registry since
2017

Practice location Address checks out

18502 Ofc Park Drive
Montgomery Village, MD 20886
Phone: (301) 509-9359
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 16981 (MD)

Record details

NPI number1679002471
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW-C
Sole proprietorNo
NPI enumeratedJune 6, 2017
Last updated in NPPESJuly 21, 2022

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