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

Donna Altonji LCSW PLLC

Organization Clinical Social Worker · NPI 1164390324

Donna Altonji LCSW PLLC is a Clinical Social Worker in Sayville, New York. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

100 S Main St Ste 206
Sayville, NY 11782-3148
Phone: (631) 708-4889
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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

Record details

NPI number1164390324
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donna Altonji — Owner/ Psychotherapist · (631) 708-4889
NPI enumeratedOctober 28, 2025
Last updated in NPPESOctober 28, 2025
Certification dateOctober 28, 2025
Mailing address100 S Main St Ste 206, Sayville, NY 11782-3148

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