Wiliam Hirschaut, MSW
NPI 1568615599 · Social Worker · Lexington, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wiliam Hirschaut, MSW is a Social Worker provider in Lexington, MA (NPI 1568615599).
Provider details
- NPI number
- 1568615599
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
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
17 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
- 2008-11-04
- Last updated
- 2008-11-04
Frequently asked questions
- What is Wiliam Hirschaut's NPI number?
- Wiliam Hirschaut's National Provider Identifier (NPI) is 1568615599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wiliam Hirschaut's specialty?
- Wiliam Hirschaut is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Wiliam Hirschaut located?
- Wiliam Hirschaut's practice location on file with NPPES is 1040 Waltham St, Lexington, MA 02421-8033.
- What is Wiliam Hirschaut's phone number?
- The practice phone number listed in the NPPES registry for Wiliam Hirschaut is (781) 862-3600.
- Does Wiliam Hirschaut accept Medicare?
- Wiliam Hirschaut is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wiliam Hirschaut's NPI active?
- Yes — Wiliam Hirschaut's NPI (1568615599) is active in the NPPES registry as of the last update on 2008-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.