Martha Irwin, LICSW
NPI 1699857276 · Clinical Social Worker · Somerville, MA
Martha Irwin, LICSW is a Clinical Social Worker provider in Somerville, MA (NPI 1699857276).
Provider details
- NPI number
- 1699857276
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 100240 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2010-02-26
Frequently asked questions
- What is Martha Irwin's NPI number?
- Martha Irwin's National Provider Identifier (NPI) is 1699857276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Irwin's specialty?
- Martha Irwin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martha Irwin located?
- Martha Irwin's practice location on file with NPPES is 26 Oxford St, Somerville, MA 02143-1608.
- What is Martha Irwin's phone number?
- The practice phone number listed in the NPPES registry for Martha Irwin is (617) 628-7255.
- Is Martha Irwin's NPI active?
- Yes — Martha Irwin's NPI (1699857276) is active in the NPPES registry as of the last update on 2010-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.