IndividualActive
Nancy Fillio, LICSW
NPI 1497884233 · Clinical Social Worker · Waltham, MA
Nancy Fillio, LICSW is a Clinical Social Worker provider in Waltham, MA (NPI 1497884233).
Provider details
- NPI number
- 1497884233
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 110314 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
77 Rumford Ave
Waltham, MA 02453-3872
Phone: (781) 894-4307
Fax: (781) 894-1195
Street-level locationGet directions
Mailing address
241 Main St
Reading, MA 01867-3649
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Fillio's NPI number?
- Nancy Fillio's National Provider Identifier (NPI) is 1497884233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Fillio's specialty?
- Nancy Fillio is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Fillio located?
- Nancy Fillio's practice location on file with NPPES is 77 Rumford Ave, Waltham, MA 02453-3872.
- What is Nancy Fillio's phone number?
- The practice phone number listed in the NPPES registry for Nancy Fillio is (781) 894-4307.
- Is Nancy Fillio's NPI active?
- Yes — Nancy Fillio's NPI (1497884233) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.