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

Mary McCallum Downs

Individual provider Clinical Social Worker · NPI 1932821071

Mary McCallum Downs is a Clinical Social Worker in Arlington, Massachusetts. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

670R Massachusetts Ave
Arlington, MA 02476-5003
Phone: (781) 316-3255
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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 number1932821071
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 15, 2022
Last updated in NPPESSeptember 15, 2022
Certification dateSeptember 13, 2022
Mailing address670r Massachusetts Ave, Arlington, MA 02476-5003

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