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

Jennifer Tietjen, LMSW

Individual provider Social Worker · NPI 1659038644

Jennifer Tietjen, LMSW is a Social Worker in Sayville, New York. Licensed in New York. Registered with an NPI since 2021.

Licensed in
NY
In the registry since
2021
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

33 Candee Ave
Sayville, NY 11782-3044
Phone: (631) 941-1200
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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 105318 (NY)

Record details

NPI number1659038644
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedNovember 24, 2021
Last updated in NPPESNovember 21, 2023
Certification dateNovember 21, 2023

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