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

Donald C Siddell, LICSW

Individual provider Clinical Social Worker · NPI 1477919660

Donald C Siddell, LICSW is a Clinical Social Worker in South Dennis, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
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

7 Greenland Cir
South Dennis, MA 02660-2414
Phone: (508) 385-5256
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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 105308 (MA)

Record details

NPI number1477919660
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedJanuary 5, 2016
Last updated in NPPESJanuary 5, 2016

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