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

Lyn Yonack, LICSW

Individual provider Clinical Social Worker · NPI 1992821532

Lyn Yonack, LICSW is a Clinical Social Worker in Great Barrington, Massachusetts. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

291 Main St #206
Great Barrington, MA 01230-1608
Phone: (413) 528-5833
Fax: (413) 528-5833
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1992821532
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedMarch 22, 2007
Last updated in NPPESJanuary 21, 2016
Mailing address6 Brainard Avenue, Great Barrington, MA 01230

Other providers in Great Barrington