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

Dr. Liana J Petruzzi, LCSW

Individual provider Clinical Social Worker · NPI 1518769579

Dr. Liana J Petruzzi, LCSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2025
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

4018 13th St NE
Washington, DC 20017-2609
Phone: (617) 458-9519
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 62504 (TX)

Record details

NPI number1518769579
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 27, 2025
Last updated in NPPESMarch 27, 2025
Certification dateMarch 27, 2025

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