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

Mr. Alexander William Giesen, LMSW

Individual provider Social Worker · NPI 1376322693

Mr. Alexander William Giesen, LMSW is a Social Worker in Jamaica, 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.

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Practice location Address checks out

16121 Jamaica Ave Fl 7
Jamaica, NY 11432-6113
Phone: (718) 896-2500
Fax: (718) 459-6542
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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 120254 (NY)

Record details

NPI number1376322693
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedSeptember 26, 2023
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023

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