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

MS. Mary Ellen M Johnston, L-RCSW

Individual provider Clinical Social Worker · NPI 1760672075

MS. Mary Ellen M Johnston, L-RCSW is a Clinical Social Worker in Port Jefferson Station, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007

Practice location Address checks out

23 Kennedy Rd
Port Jefferson Station, NY 11776-1809
Phone: (631) 766-5318
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence R038676-1 (NY)

Record details

NPI number1760672075
Entity typeIndividual (Type 1)
GenderFemale
Credentials L-RCSW
Sole proprietorYes
NPI enumeratedAugust 1, 2007
Last updated in NPPESMay 22, 2013

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