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

Miss. Cassandra Magnussen, LMSW

Individual provider Social Worker · NPI 1790562684

Miss. Cassandra Magnussen, LMSW is a Social Worker in Massapequa, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2023
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

727 N Broadway Ste C1
Massapequa, NY 11758-2348
Phone: (516) 430-4226
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 127369 (NY)

Record details

NPI number1790562684
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedSeptember 13, 2023
Last updated in NPPESMay 29, 2025
Certification dateMay 29, 2025

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