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

William Allieu

Individual provider Clinical Social Worker · NPI 1871296418

William Allieu 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
2023
Specialties on file
2

Practice location Address checks out

1304 N Capitol St NW
Washington, DC 20002-3360
Phone: (202) 800-4387
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X
Clinical Social Worker Taxonomy 1041C0700X · Licence LG200006902 (DC)

Record details

NPI number1871296418
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 23, 2023
Last updated in NPPESMay 29, 2026
Certification dateMay 29, 2026

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