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.

See every abbreviation used in this directory →

Practice location Address checks out

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

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