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

Mercyfirst

Organization Public Health or Welfare Agency · NPI 1295811925

Mercyfirst is a Public Health or Welfare Agency in Syosset, New York. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
3

Practice location Address checks out

525 Convent Rd
Syosset, NY 11791-3868
Phone: (516) 921-0808
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Foster Care Agency (primary) Taxonomy 253J00000X
Public Health or Welfare Agency Taxonomy 251K00000X
Community/Behavioral Health Agency Taxonomy 251S00000X

Record details

NPI number1295811925
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Carla Defrancisco — Cfo · (516) 921-0808
NPI enumeratedOctober 27, 2006
Last updated in NPPESJuly 15, 2021
Certification dateJuly 15, 2021
Mailing address525 Convent Rd, Syosset, NY 11791-3868