Ellen Weisstein, M.S.
NPI 1871815050 · Developmental Therapist · Lexington, MA
Ellen Weisstein, M.S. is a Developmental Therapist provider in Lexington, MA (NPI 1871815050).
Provider details
- NPI number
- 1871815050
- Entity type
- Individual
- Primary specialty
- Developmental TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- M.S.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
Mailing address
Registry dates
- Enumerated
- 2010-02-16
- Last updated
- 2010-02-16
Frequently asked questions
- What is Ellen Weisstein's NPI number?
- Ellen Weisstein's National Provider Identifier (NPI) is 1871815050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Weisstein's specialty?
- Ellen Weisstein is listed in the NPPES registry with a primary specialty of Developmental Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Ellen Weisstein located?
- Ellen Weisstein's practice location on file with NPPES is 6 Watertown St, Lexington, MA 02421-6320.
- What is Ellen Weisstein's phone number?
- The practice phone number listed in the NPPES registry for Ellen Weisstein is (781) 861-8844.
- Is Ellen Weisstein's NPI active?
- Yes — Ellen Weisstein's NPI (1871815050) is active in the NPPES registry as of the last update on 2010-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.