IndividualActive
Alexander Black
NPI 1285317941 · Social Worker · Somerville, MA
Alexander Black is a Social Worker provider in Somerville, MA (NPI 1285317941).
Provider details
- NPI number
- 1285317941
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
117 Summer St
Somerville, MA 02143-2706
Phone: (774) 641-9396
Street-level locationGet directions
Mailing address
50 Harvard St # 2
Malden, MA 02148-7813
Registry dates
- Enumerated
- 2023-08-09
- Last updated
- 2023-08-09
- Certified
- 2023-08-09
Frequently asked questions
- What is Alexander Black's NPI number?
- Alexander Black's National Provider Identifier (NPI) is 1285317941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Black's specialty?
- Alexander Black is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Alexander Black located?
- Alexander Black's practice location on file with NPPES is 117 Summer St, Somerville, MA 02143-2706.
- What is Alexander Black's phone number?
- The practice phone number listed in the NPPES registry for Alexander Black is (774) 641-9396.
- Is Alexander Black's NPI active?
- Yes — Alexander Black's NPI (1285317941) is active in the NPPES registry as of the last update on 2023-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.