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

William Poerio LCSW, PC

Organization Community/Behavioral Health Agency · NPI 1235957564

William Poerio LCSW, PC is a Community/Behavioral Health Agency in Middle Island, New York. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

17 Cloister Ln
Middle Island, NY 11953-1934
Phone: (631) 495-5536
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community/Behavioral Health Agency (primary) Taxonomy 251S00000X

Record details

NPI number1235957564
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Poerio — Owner · (631) 495-5536
NPI enumeratedSeptember 26, 2024
Last updated in NPPESSeptember 26, 2024
Certification dateSeptember 26, 2024
Mailing address17 Cloister Ln, Middle Island, NY 11953-1934

Other providers in Middle Island