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

Katherine Harrison Ostroff, MSW

Individual provider Social Worker · NPI 1265913412

Katherine Harrison Ostroff, MSW is a Social Worker in Princeton, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2018.

Licensed in
MA
In the registry since
2018
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

305 Redemption Rock Trl S
Princeton, MA 01541-1211
Phone: (978) 563-1516
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 105974 (MA)

Record details

NPI number1265913412
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedAugust 26, 2018
Last updated in NPPESAugust 26, 2018