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

Mr. William S Menzin, LICSW

Individual provider Clinical Social Worker · NPI 1982746632

Mr. William S Menzin, LICSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2007
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

3000 Connecticut Ave NW Apt 302
Washington, DC 20008-2531
Phone: (202) 270-0550
Fax: (703) 757-2270
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 LC0300427 (DC)

Record details

NPI number1982746632
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedFebruary 12, 2007
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

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