IndividualActive
Mary Elston, LICSW
NPI 1780897637 · Social Worker · Somerville, MA
Mary Elston, LICSW is a Social Worker provider in Somerville, MA (NPI 1780897637).
Provider details
- NPI number
- 1780897637
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 206465 (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
26 Central St
Somerville, MA 02143-2827
Phone: (617) 591-6415
Street-level locationGet directions
Mailing address
26 Central St
Somerville, MA 02143-2827
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Elston's NPI number?
- Mary Elston's National Provider Identifier (NPI) is 1780897637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Elston's specialty?
- Mary Elston is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Elston located?
- Mary Elston's practice location on file with NPPES is 26 Central St, Somerville, MA 02143-2827.
- What is Mary Elston's phone number?
- The practice phone number listed in the NPPES registry for Mary Elston is (617) 591-6415.
- Is Mary Elston's NPI active?
- Yes — Mary Elston's NPI (1780897637) 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.