IndividualActive
Isabel Fierro-Kilfoyle, LSW
NPI 1770706913 · Social Worker · Boston, MA
Isabel Fierro-Kilfoyle, LSW is a Social Worker provider in Boston, MA (NPI 1770706913).
Provider details
- NPI number
- 1770706913
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSW
- Sex
- Female
- Sole proprietor
- No
- License
- 301211 (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
88 E Newton St
Department of Social Work
Boston, MA 02118-2308
Phone: (617) 638-6840
Fax: (617) 638-6845
Street-level locationGet directions
Mailing address
85 E Newton St
Boston, MA 02118-2340
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Isabel Fierro-Kilfoyle's NPI number?
- Isabel Fierro-Kilfoyle's National Provider Identifier (NPI) is 1770706913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Fierro-Kilfoyle's specialty?
- Isabel Fierro-Kilfoyle is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Isabel Fierro-Kilfoyle located?
- Isabel Fierro-Kilfoyle's practice location on file with NPPES is 88 E Newton St, Boston, MA 02118-2308.
- What is Isabel Fierro-Kilfoyle's phone number?
- The practice phone number listed in the NPPES registry for Isabel Fierro-Kilfoyle is (617) 638-6840.
- Is Isabel Fierro-Kilfoyle's NPI active?
- Yes — Isabel Fierro-Kilfoyle's NPI (1770706913) 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.