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

Nancy E. Fillio, LICSW

Individual provider Clinical Social Worker · NPI 1497884233

Nancy E. Fillio, LICSW is a Clinical Social Worker in Waltham, 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

77 Rumford Ave
Waltham, MA 02453-3872
Phone: (781) 894-4307
Fax: (781) 894-1195
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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 110314 (MA)

Record details

NPI number1497884233
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedMarch 5, 2007
Last updated in NPPESJuly 8, 2007
Mailing address241 Main St, Unit C-5, Reading, MA 01867-3649

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