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

Mr. Keith Christopher Loniewski, LSW

Individual provider Social Worker · NPI 1952732687

Mr. Keith Christopher Loniewski, LSW is a Social Worker in Elizabeth, New Jersey. Licensed in New Jersey. Registered with an NPI since 2013.

Licensed in
NJ
In the registry since
2013
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

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Practice location Address checks out

655 E Jersey St
Elizabeth, NJ 07206-1259
Phone: (908) 994-7214
Fax: (908) 994-7262
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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 44SL05283500 (NJ)

Record details

NPI number1952732687
Entity typeIndividual (Type 1)
GenderMale
Credentials LSW
Sole proprietorNo
NPI enumeratedDecember 5, 2013
Last updated in NPPESDecember 5, 2013

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