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

Jennifer London Mast

Individual provider Clinical Social Worker · NPI 1346722691

Jennifer London Mast is a Clinical Social Worker in Stow, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2018

Practice location Address checks out

26 Kettell Plain Rd
Stow, MA 01775-1248
Phone: (617) 501-6139
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 111896-SW-LICSW (MA)

Record details

NPI number1346722691
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 4, 2018
Last updated in NPPESSeptember 4, 2018

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