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

Ruth L Karlson, LICSW

Individual provider Clinical Social Worker · NPI 1003038662

Ruth L Karlson, LICSW is a Clinical Social Worker in Holyoke, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
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.

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Practice location Address checks out

303 Beech St River Valley Counseling Ctr
Holyoke, MA 01040 Not confirmed with CMS for 19 years — call before visiting
Phone: (413) 540-1124
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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 · Licence 1017551 (MA)

Record details

NPI number1003038662
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedMay 3, 2007
Last updated in NPPESJuly 8, 2007

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