IndividualActive
David Ellenhorn
NPI 1841340072 · Clinical Social Worker · Cambridge, MA
David Ellenhorn is a Clinical Social Worker provider in Cambridge, MA (NPI 1841340072).
Provider details
- NPI number
- 1841340072
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 107298 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
131 Mount Auburn St
Cambridge, MA 02138-5752
Phone: (617) 491-2070
Street-level locationGet directions
Mailing address
131 Mount Auburn St
Cambridge, MA 02138-5752
Registry dates
- Enumerated
- 2007-01-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Ellenhorn's NPI number?
- David Ellenhorn's National Provider Identifier (NPI) is 1841340072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Ellenhorn's specialty?
- David Ellenhorn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Ellenhorn located?
- David Ellenhorn's practice location on file with NPPES is 131 Mount Auburn St, Cambridge, MA 02138-5752.
- What is David Ellenhorn's phone number?
- The practice phone number listed in the NPPES registry for David Ellenhorn is (617) 491-2070.
- Is David Ellenhorn's NPI active?
- Yes — David Ellenhorn's NPI (1841340072) 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.