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

Mercyfirst

Organization Community/Behavioral Health Agency · NPI 1770657421

Mercyfirst is a Community/Behavioral Health Agency in Syosset, New York. Registered with an NPI since 2006.

In the registry since
2006

Practice location Address checks out

525 Convent Rd
Syosset, NY 11791-3868
Phone: (516) 921-0808
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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 number1770657421
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Paula Goldstein — Controller · (516) 921-0808
NPI enumeratedNovember 17, 2006
Last updated in NPPESAugust 22, 2020
Mailing address525 Convent Rd, Syosset, NY 11791-3868

Other providers in Syosset