Leonid Newhouse, MSW
NPI 1215113808 · Clinical Social Worker · Quincy, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonid Newhouse, MSW is a Clinical Social Worker provider in Quincy, MA (NPI 1215113808).
Provider details
- NPI number
- 1215113808
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 1022200 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-01-14
- Last updated
- 2020-09-17
- Certified
- 2020-09-17
Frequently asked questions
- What is Leonid Newhouse's NPI number?
- Leonid Newhouse's National Provider Identifier (NPI) is 1215113808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonid Newhouse's specialty?
- Leonid Newhouse is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leonid Newhouse located?
- Leonid Newhouse's practice location on file with NPPES is 114 Whitwell St, Quincy, MA 02169-1870.
- What is Leonid Newhouse's phone number?
- The practice phone number listed in the NPPES registry for Leonid Newhouse is (617) 376-5658.
- Does Leonid Newhouse accept Medicare?
- Leonid Newhouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonid Newhouse's NPI active?
- Yes — Leonid Newhouse's NPI (1215113808) is active in the NPPES registry as of the last update on 2020-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.