Louis Josephson, LCSW
NPI 1649007121 · Clinical Social Worker · Somerville, MA
Louis Josephson, LCSW is a Clinical Social Worker provider in Somerville, MA (NPI 1649007121).
Provider details
- NPI number
- 1649007121
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- R038961-1 (NY)
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
1 yr 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
- 2024-09-18
- Last updated
- 2024-09-18
- Certified
- 2024-09-18
Frequently asked questions
- What is Louis Josephson's NPI number?
- Louis Josephson's National Provider Identifier (NPI) is 1649007121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Josephson's specialty?
- Louis Josephson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Louis Josephson located?
- Louis Josephson's practice location on file with NPPES is 4 Newman Pl, Somerville, MA 02145-3508.
- What is Louis Josephson's phone number?
- The practice phone number listed in the NPPES registry for Louis Josephson is (802) 689-0067.
- Is Louis Josephson's NPI active?
- Yes — Louis Josephson's NPI (1649007121) is active in the NPPES registry as of the last update on 2024-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.