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

MS. Mary H Jacobsen, MSW

Individual provider Clinical Social Worker · NPI 1245384635

MS. Mary H Jacobsen, MSW is a Clinical Social Worker in Arlington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

259 Massachusetts Ave
Arlington, MA 02474
Phone: (781) 646-8918
Fax: (781) 646-8918
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 LICSW1014789 (MA)

Record details

NPI number1245384635
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedJanuary 22, 2007
Last updated in NPPESJuly 8, 2007
Mailing address129 Highland Avenue, Arlington, MA 02476-7823

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